Bad Engine Ground Strap Symptoms

Make absolutely sure you have good connections and a fully charged battery, and that for sure there is a solid 12VDC present at the big post on the starter. This will result in low oil pressure that could lead to further vehicle damage. 1) Lights Flicker – Flickering headlights and dashboard lights in the vehicle mean your electrical situation is compromised. Depress the accelerator pedal slowly to the floor and keep it there. Either way it will be a good grounding point. To learn more, see reviews below or submit your own. Another symptom of a bad or failing cable is the presence of corrosion on the terminals. A braided copper ground strap is best attaching the engine to the frame. Though we all love our mustangs, from time to time they needs repairs that we might not know about. autozone codes were multiple cylinder missfires along with 3 tb codes. Slow cranking engine but the battery, starter and alternated all tested as good. When I had a bad MAF, one of the diagnosis a Mercedes Mechanic was telling me was to check the grounding strap. Excessive PCV blow by. Learn what does U1000 Infiniti CAN Communication Line - Signal Malfunction means, location and how to repair? CAN (Controller Area Network) is a serial communication line for real time application. 45V with the engine running above 1500 rpm, the sensor will be flagged as bad and a fault code 51 or 52 will be set. Without stock RSX mounts, you can go from the chassis to a bolt on the timing cover. Antifreeze poisoning is a potentially fatal condition that results from the ingestion of ethylene glycol, an organic compound often seen in antifreeze. Renix engines are notorious for having bad / faulty ground connections as a result of age and not so great design in the connectors. While poor driving habits – sudden acceleration, delayed braking, and unnecessary idling among others – is the number one cause of reduced fuel economy, having unbalanced tires can also lead to poor fuel economy. Then you could be driving and all of a sudden experience a stalled engine. Any advise will be greatly appreciated. My brother installed a radio in a Ferrari many years ago and was amazed to find it only worked when the parking brake was on. Antifreeze poisoning is a potentially fatal condition that results from the ingestion of ethylene glycol, an organic compound often seen in antifreeze. Lived with that for about 3 months. A bad ignition coil will cause your engine not to have any spark. I feel that I have a short somewhere or a bad ground but I have no idea where to start. The PCM though the engine wasn't idling fast enough, so told the engine to rev faster than it needed to. The engine does not make power. How to conect a light switch with black and red wires to knob and tube line? Why no fire coming to the switch no. The other engine ground is from the rear driver side of the intake to The fire wall, (braided strap or a number wire). The ground underneath a home is now part of the electrical system and if anything goes wrong with the grounding system, it could deliver electrical shocks to the people in the area. I put a jumper cable on frame and engine. The most common reasons for an Ignitor not to work are low voltage or a bad ground (earth). 3 Powerstroke is failing or bad: Your engine starts but throws an intermittent CEL and ODB-II code. I had been getting some power drops when the rad fans turned on causing minor headlight dimming and a drop in sound - I have a couple of amps in my van though they don't draw too much power. If it still doesn't, either your starter is bad, the battery is dead (even with a very weak battery, you should hear the bendix clicking) or the ground path between the battery and starter is bad (battery ground, starter ground). When Your Car Won't Start: Symptoms and Solutions for a Bad Chassis Ground - Duration: 7:49. Install mounting studs (I) and secure electrical bracket to engine. Bad ground wires are usually attached to an accessory or engine component affected by a symptomatic electrical glitch. The two most obvious symptoms of a bad MAP sensor is that the check engine light will be shining nice and bright and that the engine is going to idle very rough. If voltage is present, the coil may be bad, go to step 4. Rough idling can also be caused by bad motor mounts, an engine misfire, incorrect ignition or valve timing of even bad tune up parts. Once the ground wire becomes compromised, anything that relies on it will weaken, including the starter motor, alternator and ignition system. I had been getting some power drops when the rad fans turned on causing minor headlight dimming and a drop in sound - I have a couple of amps in my van though they don't draw too much power. Fuel filter plugged. Below are the top 5 symptoms of having a bad ground strap in the car. If you have beef in your fridge and you're not sure if it's still good to use, you can check in a few easy ways to see if it's spoiled. The one next to the fuse box is the main one as it also has the ECM loom Negative on it and causes odd running problems. bought a new one, put it in, and still no spark. Some owners have also added a secondary ground strap from the engine side (intake manifold stud) to the battery grounding location: not a bad idea, easily done, and can cure some persistent bad grounds. Poor Fuel Economy. Best is a sort of ground harness linking everything that matters all the way back to the battery ground strap. See below for how to determine what your fault may be and what the codes mean. So, by removing corrosion from the surfaces of all the strands in the ground strap, one can optimize ground's negative potential, thus lessening the load on the alternator. Updated: I thought my knock sensor was bad (and it still is), turns out I used regular oil rather than synthetic. Loss of ground can cause a plethora of different seen and unseen issues. im having all kinds of problems with my 1. I have seen several issues with this one ground cable in many years, make and model General Motors products. I think you would be fine following bruces sugestons or even just buying some SS grounding straps from NAPA or useing 01Guage wire and soldering conectors on to them. 1993 M104 is a little bit different in terms of ignition. com offers the lowest prices for genuine 2012 Chrysler Town & Country parts. Powertrain Control Module (PCM) OPERATION. The ignition supplies power to the engine, the gauges and anthing else in that circuit. If the cables are getting hot and the starter isn't cranking right it could be corrosion between the bracket and the block causing electrical resistance. 65-31-1-286-068 Hood ground strap. Not only does it prevent coolant and oil from mixing; it seals in the internal combustion process. 2 volts when charged. The regulator will control how much current flows to the battery. Pay attention to these important blown head gasket symptoms! Likewise you need to be 100% sure that you do have head gaskets problems. Once it starts it sounds and runs fine, but it turns over very slowly until it starts. Here are my symptoms and what I have done so far, any ideas? - It act's as if it has no power, yet I read 12. Starter Checks An engine that won't crank may have a bad starter, or it may have another fault such as a bad starter solenoid starter drive, a problem in the ignition switch circuit, the park/neutral or brake safety. Ground loops? You're basically creating a much more solid ground plane accross your engine bay. There are several reasons why the engine does not work and one of them is an incorrect ground wire connection. Grounding Points on 2005 I have a 2005 Nissan Murano and I am having a few issues with sensors and my engine running really rich. Poor grounds/grounding. I don't think mounting battery NEG to a/c mount is OEM. till then thanks for help guys and if someone thinks of something let me know cuz am not taking it out till late night. As soon as you give it the gas it will start to die or miss very badly. After changing the pump, nothing. The plug body, this is the part that screws into the head of the engine. Install mounting studs (I) and secure electrical bracket to engine. The ground strap will with time become loose and cause some resistance to the headlights. Here are the four most common symptoms of a bad ECM computer: The Check Engine Light is on. But if you experience those problems and have an engine that doesn’t start, then you clearly have a problem with either your immobilizer or the smart key itself. Symptoms of a Bad or Failing Neutral Safety Switch Common signs of a faulty neutral safety switch include the engine not cranking in park or neutral, not cranking at all, or cranking in any gear. 5 volts, then your voltage is too low. It is considered generic because it applies to all makes and models of vehicles, although specific repair steps may be different depending on your car model. The fast idle may simply be a misadjusted throttle cable at its clamping area at the engine or other misadjustments something to be looked at later. Another symptom of a bad or failing cable is the presence of corrosion on the terminals. In some cases, the starter motor will kick in after the second or third attempt; in others, it will fail altogether. check the CDI ground wire,it is located near the temp plug sensor,it come from the box side than goes to the right side of the carb's rack,mine was not a good one,and was always cutting off the engine under hard accaleration at WOT,taked mine time to find out,even after many jetting plug check. i have heard from a few people that i should have 4 engine to body ground straps. Ground Strap Failure. Frame to firewall (cab). Everything from radio to speedo cluster to brake lights. 5 Symptoms of Oil Deposits. You will see this while driving with a rising temperature gauge in your dashboard. It has power to it. Its one of two conduction paths from the engine back to the battery. Spark plug failed. • Connect a ground strap (minimum of a 00 Ga. The key with this type of troubleshooting is in understanding how to 'load the circuit', which in this case is achieved by holding the key in the crank position. Burning fuel and exhaust smells emanate from the engine area. Find our best fitting ground straps for your vehicle and enjoy free next day delivery or same day pickup at a store near you!. A failing engine is not only costly to repair but dangerous. While either of these diagnosis may be true, these symptoms may also indicate poor grounding. Easy online ordering and next-day delivery available with 24/7 expert product support. Help needed, My daughters Punto active 52 reg, is having a problem which have been told could be caused by POOR ENGINE EARTH STRAP CONNECTION. A good ground is especially important with engines that are electronically fuel-injected or have some other type of computer control or digital ignition system. Someone please help me out. Well, yes, it is. Even with decent maintenance, the different system components get a lot of wear during their service life and are bound to start having problems eventually. Plus, it can withstand extreme heat. so its time to replace it any ideas on this. With your gauge showing dashes on its display screen means that it is not receiving any data from the engine. So, by removing corrosion from the surfaces of all the strands in the ground strap, one can optimize ground's negative potential, thus lessening the load on the alternator. Another symptom of a bad or failing cable is the presence of corrosion on the terminals. See below for how to determine what your fault may be and what the codes mean. Yes, a bad ground wire can cause all kinds of electrical problems in a car's operating system. but wasn't sure if he knew where to look for them all. The large ground straps to the engine being bad would cause the engine to die when this happens. Had one burn the ground out because he was using solid core plug wires, musta not read the directions too good. You should see around 12 volts. All of the following are correct about these symptoms EXCEPT: A. But if you experience those problems and have an engine that doesn’t start, then you clearly have a problem with either your immobilizer or the smart key itself. Proper grounding would dictate a ground strap from the engine directly to the wire harness. If you have a hot wire at the master switch, you can check the ground right from the master switch. Once it cranked the starboard engine started right up. Don't forget both ends of the battery grounds either. The CAT converter is melted closed, this chokes the engine to death ,so it can not breath, the engine is an Air pump. Bad Turbo Symptoms. The engine has it's own, much larger, separate ground. I put in a new fuel pump relay. but wasn't sure if he knew where to look for them all. Everything from radio to speedo cluster to brake lights. If you can't easy find all of these grounding points then just simply install a new ground strap. A bad engine ground is a common problem leading to hard-starting and no-starting conditions. If thats ok the regulator is bad. If your engine won't start, takes too much cranking to start or your engine stalls, you may have a bad fuel pump or you may have a fuel pump wiring issue caused by a corroded connection or ground or a bad fuel pump control module. Mercedes Engine Misfire Problem Engine misfires are one of the most common problems we see in many Mercedes-Benz cars. In this repair guide, we will show you how to replace the engine mounts on your Mercedes-Benz. Severe problems in the EOT circuit can be caused by a faulty or failed completely engine oil temperature sensor or wiring. Here are some symptoms that the EOT sensor on your 7. A good ground is especially important with engines that are electronically fuel-injected or have some other type of computer control or digital ignition system. Remove the BLACK ground cable on the right side of the battery with 10mm socket or wrench. fron of the engine block, and the braided ground strap, going from the pass. The Service Engine Light was on. 4 Symptoms of ECM Failure. The bearings were insert type and being a less noble metal than the crankshaft and engine block, deteriorated to the point where oil pressure dropped to low and the engine seizes from lack of lube. The engine is isolated from the chassis by the rubber motor mounts. There are some common bad spark plug symptoms. What I just did was test my ground strap, I put the positive lead on the pos terminal, then instead of placing the negative lead on the negative terminal i followed the ground strap to the bolt on the chasis, and the reading was jumping from -11. Pull a plug wire and put a used spark plug into the boot, with the ground strap of the plug touching the alternator case have somebody crank the engine. Symptoms Here are the prime symptoms indicating problems with the fuel relay. • Turn key switch to OFF position and let the engine cool down before making another attempt to start the engine. The next ground is on the right hand engine mount. My brother installed a radio in a Ferrari many years ago and was amazed to find it only worked when the parking brake was on. Last piece to the puzzle is the chassis/engine ground strap. So, it is in your best interest to recognise these symptoms quickly to get the problem repaired. and I had to use both feet in order to keep the motor running at stop lights. Therefore, a motorcycle engine also requires that its battery is correctly grounded to work. However, regardless of what you find during the inspection of the CV boots, if you still suspect you have a bad CV axle/joint, you will need to do a feel and drive test to confirm. what are the symptoms of a bad coolant temp sensor (ECU)? My gauge works fine, I am curious to know how people know their coolant temp sensor for the ECU (green one) has gone bad. 760T Engine Stops Dead at 60MPH; Bad Ignition Module. It looks like they took an angle grinder and ground down all traces of paint in and around the bolt. A bad ground wire can cause a lot of strange symptoms with your cars electrical system. [Tip from David Hungerford] What appeared as fuel supply symptoms were not relieved by replacing the filter, FPR, or both pumps (or by checking lines with vacuum pump/gauge). The ignition supplies power to the engine, the gauges and anthing else in that circuit. So, it is not just the pump that the constant movement is damaging, but also the engine and the entire vehicle. Heavy gauge ground straps, from battery to frame, from frame to engine, from frame to body "for Chebies", heater blower motors to body. If someone removes this ground strap (or it goes bad) then you will end up with all kinds of bizarre electrical and engine issues!. There are numerous components in your Porsche that make driving easy and pleasurable. In this repair guide, we will show you how to replace the engine mounts on your Mercedes-Benz. The one next to the fuse box is the main one as it also has the ECM loom Negative on it and causes odd running problems. So i then checked for broken and bad ground wires. Top 5 Bad Symptoms. My 02 jetta misfires on cylinder 3 when it rains, has anyone ever had this problem and do I fix it? Also my horn doesn't work when it rains, I dont know if its related but it seems to odd to me coincidence. A failing engine is not only costly to repair but dangerous. Make sure the chassis ground is good too (if the screw is loose, use another hole "giggity"). Best Answer: Symptoms of a bad engine ground in any car are flaky operation of the entire electrical system. Heavy gauge ground straps, from battery to frame, from frame to engine, from frame to body "for Chebies", heater blower motors to body. Going from the engine block to the battery is also a good idea. Also there was an under hood light on the GMT800s through 2002. To learn more, see reviews below or submit your own. PVC gases will effectively lower the octane content of. Loss of ground can cause a plethora of different seen and unseen issues. Engine stalls. Van stopped on road and would not restart. When Your Car Won’t Start: Symptoms and Solutions for a Bad Chassis Ground - Duration: 7:49. To do this with a meter which is more accurate: black lead to battery ground, red lead to each pin on the plug, start with the voltage scale higher than 12vdc and move voltage scale down in steps for each pin. What is a Tie Rod End?. The module accepts information from various engine sensors and computes the required fuel flow rate necessary to maintain the correct amount of air/fuel ratio throughout the entire engine operational range. I have seen many ground wires that were dust inside. 99 jeep grand cherokee. There are many reasons your Check Engine light can turn on. Undamped engine vibrations will cause the entire vehicle to vibrate, which may make the cabin uncomfortable for the passengers. Learn more about the symptoms and treatment of this condition in cats here. (Page 1 of 12). This is one of the more obvious signs of a bad ground, Dim or Flickering Lights. Poor grounds/grounding. This procedure is found in the Avalanche, Escalade, Suburban, Tahoe, Yukon (VIN C/K) Service Manual. Is it: Battery NEG to Frame. Therefore, none of them alone is cause enough to replace one. Below are the top 5 symptoms of having a bad ground strap in the car. Shock is defined as abnormal metabolism at the cellular level. There are a few key symptoms. Vehicles that are used to pull trailers (electrical brake equipped) may have similar symptoms. See how fixing this common exhaust problem will have your Jeep running right in no time. Engine flooded with petrol. There's another braided ground strap on the right side, in more-or-less the same location, but it's harder to see because there's more stuff above it. The other engine ground is from the rear driver side of the intake to The fire wall, (braided strap or a number wire). Powertrain Control Module (PCM) OPERATION. If you see the full supply voltage of 4-5 volts (the reading you should get from the ECU when the connector is pulled off the temp sensor) then the temp sensor or its ground wire are faulty. Battery ground goes from the Battery (-) to the passenger side front of block, from there to frame. Re: Bad generator?/Starter? check you ground strap from the engine to the frame, I have had a slow starter for a year but just figured it was an old cart so I never looked at anything. Once it cranked the starboard engine started right up. I left the camper idling, but it died and I didn't get back to it for about twenty minutes. How do I locate the ground straps for frame and body? Wiring diagram online? Anyone have a link? It has a v6 engine, like a 265 or something. If it reads anything more than a nominal amount, you have a bad ground somewhere. Therefore, it is important to recognize the symptoms displayed by a faulty knock sensor to prevent the engine from severe damage. Rear of engine to firewall. There are many reasons your Check Engine light can turn on. Works fine when the truck is new but after 30+ years you'll have all kinds of corrosion on metal parts. Basic Audio Troubleshooting. Engine hesitation during acceleration. Best Answer: Symptoms of a bad engine ground in any car are flaky operation of the entire electrical system. My car hesitates and bucks when building boost. Symptoms of ECM Failure. Here are the four most common symptoms of a bad ECM computer: The Check Engine Light is on. Please Share DannysEnginePortal News. When you have checked all the possible causes listed and you are still experiencing the problem, see your John Deere dealer. Starter Checks An engine that won't crank may have a bad starter, or it may have another fault such as a bad starter solenoid starter drive, a problem in the ignition switch circuit, the park/neutral or brake safety. Some use the aircraft skin (on metal aircraft), some use a foil or aluminium sheet inside the aircraft, some use a coil of wire built into the base of the antenna and others use wires radiating from the base of the antenna. NOTE: Clean the mating surfaces of the three-way converter and the dual converter Y-pipe. I DO have the 12V from the orange wire(pin 5), which is hot all the time from ECMb fuse. I had been getting some power drops when the rad fans turned on causing minor headlight dimming and a drop in sound - I have a couple of amps in my van though they don't draw too much power. Flexible copper braided connectors (electrical shunts), bonding straps and Storm's new EriFlex compensate for tight bends and offset busbar systems to deliver highly efficient grounding conductivity with minimal resistance. Bad alternator symptoms: Dim lights. But, that's just. The ground strap eventually reaches the earth ground system, a ground rod, through a heavy gauge copper wire 11 feet in length. What I just did was test my ground strap, I put the positive lead on the pos terminal, then instead of placing the negative lead on the negative terminal i followed the ground strap to the bolt on the chasis, and the reading was jumping from -11. As you can tell by the thickness of the wire going to the starter solenoid, powering the starter motor requires more electrical flow than any other electrical function, so any weakness in the ground strap is likely to show up there first. Buy BMW e90 Battery Cable Negative w/ IBS ground wire NEW oem e91 e92 e93: Batteries - Amazon. In this month's driveway diagnostics we show you how to test and repair a bad oxygen sensor. These are only suggestions to help you understand the basic process. This ground completes the electrical circuit for the main battery cables as well as the DME wiring for the engine. The bolt was rusted. But since you tried a "known good one" check the grounding strap to the tranny (this is where the distributor gets its ground from). There is a braided ground strap that runs from the firewall to the rear of the passenger side cylinder head, and another black ground wire from that point that seems to disappear into the wiring harness. Usually made of steel, for two reasons, it is cheap and makes a good ground for the coil. If I'm not mistaken the strap is the only direct ground link from the engine to the frame, so corrosion at its contact points or loose bolts couldn't help. The one next to the fuse box is the main one as it also has the ECM loom Negative on it and causes odd running problems. The ground strap will with time become loose and cause some resistance to the headlights. Improving your chassis ground (Big 3) Make sure your heat shrink tubing slips over the lugs. To test the relay, all you have to do is see, if the car starts properly. #1 – Flickering Lights. • Turn key switch to OFF position and let the engine cool down before making another attempt to start the engine. Grounding some o2 sensors through the restof the exhaust and through the motor sometimes doesn't let the sensor give out the correct reading so a ground from exhaust to chassis is installed. Technician B says some alternators can be full-fielded by grounding the alternator output battery. The computer then uses this data to maintain optimum driveability especially while the engine is warming up and until it reaches operating temperature. This fuse will be either in the engine compartment fuse-box or in the instrument panel fuse box inside the car. Signs of a bad Ground Strap. 5 Symptoms of a Bad Engine Mount and Replacement Cost Last Updated January 16, 2019 by autotechnician Car engine produce huge vibration when it works, Without “this parts” the vibration will transmit to the whole car body and make very uncomfortable to the passenger inside the car. Rough idle, reduced power, backfiring, and misfire are all symptoms of valve burn. Since it is not easy to directly measure cellular problems, the symptoms of shock are indirect measurements of cellular function. Signs of a Bad Intake Manifold. Universal Ground Strap 60213 at Advance Auto Parts. Not only does it prevent coolant and oil from mixing; it seals in the internal combustion process. The Original Mechanic 33,728 views. A bad jump start can also blow out 2 fuses located between the firewall and ECM. Symptoms: If your U-bolts are going bad, you may notice that your spring pack is “walking” or that the axle has shifted. Once the ground wire becomes compromised, anything that relies on it will weaken, including the starter motor, alternator and ignition system. Your BMW X3 engine is grounded via a main ground strap to the chassis. Air filter could be dirty or clogged. If the cables are getting hot and the starter isn't cranking right it could be corrosion between the bracket and the block causing electrical resistance. If the grounding strap is bad, then the MAF would be going haywire, rough idles, power surge, etc. The ignition coil is the source of the spark that ignites the air-fuel mixture in the engine's combustion chamber. Bad U-bolts can also cause your pinion angle to change, resulting in. An important item to check on your car is the engine ground strap. Bad starter-system issues are more common than you may think. The next problem is caused by all the connections at the grounds. A good ground is especially important with engines that are electronically fuel-injected or have some other type of computer control or digital ignition system. In some cases, the starter motor will kick in after the second or third attempt; in others, it will fail altogether. The intake manifold’s gasket seals away air from mixing with the coolant chamber. So all the gauges get powered up and send their power to ground. The fusible link wire to the distributor cap looked fine. Such conditions may cause the tie rod ends to malfunction within a few years, but those on other vehicles may last many years without replacement. Not a bad DIY, just make sure you have flex sockets and the correct sizes. fron of the engine block, and the braided ground strap, going from the pass. Usually made of steel, for two reasons, it is cheap and makes a good ground for the coil. Over time, the vapor can begin to corrode the terminal and cause corrosion to build up. The engine stopped like the key was turned off. What is the purpose of the engine mount ground strap? by mojocoggo » Sep 09, 2008 6:40 AM When changing my engine mount the other day, I heard a clicking when I touched the chassis to engine ground strap to the engine mount bracket. Universal Ground Strap 60213 at Advance Auto Parts. And bad grounds can lead to all sorts of problems. They will also endure faster wear and damage if you regularly drive over bumps or rough roads. SUV problem: These are the ground wires that the PCM is using to operate the starting circuit. So, if you feel that the engine is heavy, the power is low, and the car stalls frequently, it is because of decreased oil pressure. However, there are all manner of other "ground wires/straps" because lots of components are isolated electrically from the engine. The fusible link wire to the distributor cap looked fine. Corrosion develops as a result of the acidic vapor produced by the battery when it becomes hot from exposure to the heat of engine operation. Well, yes, it is. Heavy #2 gauge cable should be used to connect the battery negative terminal to the engine block or starter mounting bolt. i have a 1953 chevy with a 350 sbc. IGNITION TROUBLE SHOOTING - IG-106. Flickering Lights – If your ground strap is damaged or worn out, the electrical circuit will come across resistance while trying to deliver power to the headlights in front of your vehicle. Page 1 of 4: How To Test: P0117 OBD II Trouble Code (Ford 4. This can lead to even more money down the road. On some Econolines water may enter the IDM causing the above symptoms. But, that's just. #2 The tip of the ground strap is loaded with OIL deposits, fuel deposits are usually flat black in color and almost like a fine powdery deposit, this motor is leaking oil into the combustion chamber, bad valve guides, leaking valve covers allowing oil to seep through the plug threads, whatever it needs to be fixed. Tb was replaced a year ago by vw. In this repair guide, we will show you how to replace the engine mounts on your Mercedes-Benz. Spark plug failed. When it only happens when you turn on the ignition helps. Don't do it during idle, the engine will run like crap, and the water won't all go into the cylinders, it'll pool in the manifold, and when you rev the engine up, it'll get gulped into the cylinders and you will have a very unhappy engine (I learned this from experience). Engine Ground and Bonding Strap for 12V automotive systems. Replied by Venturi on topic Symptom of a bad ground? I can't be sure that a bad ground is causing the problem, but here are some diagrams to show where to look for grounds if you need it. what are the symptoms of a bad coolant temp sensor (ECU)? My gauge works fine, I am curious to know how people know their coolant temp sensor for the ECU (green one) has gone bad. Suspected that the starter relay / solenoid was bad. Do not worry, these symptoms are quite obvious, so it is an easy task to spot them. It is best to run the ground cable to the cast iron block. Took it to a mechanic and he suspected the ground strap was broken. Signs of a Bad Intake Manifold. What are the symptoms of a bad alternator? What does your alternator do? How do you tell if your alternator is bad or your battery? Click to find out!. Parts fit for the following vehicle options. If you wonder whether or not you have a bad fuel pump, here are a few signs that it is time to get a replacement. If that cable is in bad condition, you get all sorts of weird electrical problems. so am going to get a new one and see. As a result of the corrosion, one or both straps may fail allowing the fuel lines to separate from the tank, or in some cases, causing the tank to contact the ground. Checked cam shaft positioning sensor. In my experience, a bad engine ground usually results in flaky operation of the electrical system. Symptoms of a bad fuel pump What are the symptoms of a bad fuel pump. i have heard from a few people that i should have 4 engine to body ground straps. side cylinder head. Often the vehicle starts again after the pump cools down. This ground completes the electrical circuit for the main battery cables as well as the DME wiring for the engine. I am thinking I have bad ground. Just because the negative cable is ran from the battery to the frame doesn't mean the engine is getting that ground. I need help, my ground wire off of the back of the engine is broke off?? What would be the easy way get at something like this?, hard to reach! Could this be way truck running bad and stalling out? Does it need to be fixed right now? The wires grounds right at the wiper motor _____. To learn more, see reviews below or submit your own. When this pressure sensor goes bad your 5.