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Found 27 results

  1. 2010 Chevy Silverado So I’ve just bought this truck, and when I try to start it the starter will sometimes stay on after the Motor fires for a few seconds. Then it has a very uneven idle. THEN when I rev the engine it wil rev up then drop down below normal idel and almost stall. This will go away if the truck is warm. Now the only thing I have done since getting it is to pull the pipe off of the purge valve next to the fuel tank because it is broken. I’ve ordered a new purge valve and will install it as soon as it gets in. Is it possible that this is causing some sort of low fuel pressure or something? Has anyone else has issues like this?
  2. Hi, need help please. Hit black ice in my 03 Sierra 2500 with a duramax engine. Went over a 15 foot embankment and came down hard under front driver side corner which pushed everything up several inches. The motor was running when I shut it down but now will not start. I was thinking maybe an emergency fuel shut off was triggered but now i'm thinking maybe something else. Any ideas or help would be truly appreciated. PS: jumping them isn't as fun as it looks on tv!
  3. I just bought a 1991 Chevy C70 Kodiak C7H042 6.6L 403 CUI Diesel in amazingly great condition. I am now the 3rd owner of this dump truck. The first owner took great care of the vehicle, everything thing appears to be well maintained and no shade tree work. All the parts, wiring and accessories appear to be original and well maintained. However, the second owner bought this truck and never used it. It has sat in a field for about four years. To get to the point, I completely serviced the truck and replaced the batteries, checked the fuses, grounds, relays and I have absolutely no power to the truck. No interior or exterior lights and no lights on the instrument panel. What could be the issue?
  4. Hows it going, any help and advice is VERY much appreciated. 2000 Silverado 4.8 vortec 1500 4wd. I have been trying to figure this truck out for months, shakes at all rpms although certain rpms are worse than others(the missfire) I have replaced intake manifold gaskets, double and triple checked vaccum system for leaks doing smoke tests (no vaccum leaks), replaced pcv valve, thoroughly cleaned injectors, confirmed everything fuel wise is working properly, new fuel filter. Still shaking badly. The other day I had a great idea, I waited until it got dark outside and decided to run the engine and look under the hood. Sure enough, I noticed sparking (shorting out) happening on pretty much all of the coils. The sparking is COMPLETELY random and there is never a consistent spark, for example one moment coils for cyl# 2,5,1,7 will be sparking, the next moment they wont and others will, and sometimes they look like they arent sparking at all, Also may mention that the drivers side of the motor seems to be sparking more often but it does indeed happen on both sides. It seems to spark a little more frequently when you spike the throttle. All i have replaced in the ignition system is the spark plugs, and made no difference at all. All of the coils are producing a spark at the spark plug. I have checked the common grounds to each ignition coil (plug on the top of the coil) and they all were grounded. Truck has 240k miles. If someone could please help me I would really appreciate it I feel like im SO close to fixing this thing and is my only car right now and need to figure it out. Thanks
  5. Hi Guys, I'm about to replace my spark plugs and wires. Keeping it OEM of course. I really don't wanna screw up the ordering as no auto store in my country has the wires. I already got the plugs but will order the wires and 758EE is what I've read is the correct wires. How do I know what coils I have? 2015 Silverado HC, 5.3 (non flex)
  6. John Goreham Contributing Writer, GM-Trucks.com 7-21-2017 General Motors has won yet again in court. In the latest of six bellwether cases selected to help determine how a class action lawsuit will proceed, GM again wins. The Detroit News reports that a jury in New York has found that GM was not liable for injuries to a driver who claimed the crash and resulting injuries he suffered were related to the ignition switch defect. One trend that GM-Trucks.com sees is that the facts in each of these cases are never quite what the stereotype is made out to be by the mass-media. For example, in this case, the vehicle in which the accident occurred continued to be used by the driver after the accident. GM has yet to loose a bellwether case. Winning these and settling at a reasonable cost (already over $ billion for GM) is critical. The U.S. Supreme Court recently ruled that GM may be liable for the ignition switch cases and that its bankruptcy does not shield it from liability. That could mean up to $10 billion in pending liability according to experts. Related Prior Stories: - GM Has Yet To Lose a Bellwether Ignition Switch Case - The GM Ignition Switch Trial Result Few Saw Coming Note: For more information on any story topic, readers can input keywords in the search bar at the top right of our page.
  7. 2001 Silverado, 150k miles, Auto long bed single cab. Picked up a project 01 with an ignition problem. Here is a description of the issue I'm trying to fix: There is a push button start that has been rigged into it. The only way it will start is to turn the key to START while pushing the start button. If I try to turn the key without pushing the button nothing happens. Also, just about any key will fit and turn the cylinder. The SECURITY light stays on. Is this in pass lock? Pulled the steering column cover to mess with the top wiring harness with the three wire connector and nothing. But I DID see these two little boogers hanging there. I can't find what these wires are in my haynes manual but they obviously go somewhere. Maybe related. Any thoughts on where I should begin to try and get this sorted out?
  8. I have a 1987 R10(Injected) half ton pickup that I have been restoring. I took it to a paint shop to get the exterior and interior painted. I had them remove the old dashed and install a new one in its place. When I went to pick the truck up they said they couldn't get it to start and they thought it was out of gas. It wasn't out of gas. when cranking the engine we couldn't get it to even fire. we took the air cleaner off and could see that fuel was going into the throttle body. There was fuel being sprayed into the throttle body. we took a spark plug wire off and grounded it to ground it and confirmed there was in fact spark. I trailered it there so we just pushed it up onto the trailer to bring it home. Someone mentioned they may have disconnected something with the ignition system. any ideas?
  9. John Goreham Contributing Writer, GM-Trucks.com 4-26-2017 Back in July of 2016, GM-Trucks.com reported to our membership that an appeals court ruling against GM could cost the company billions. That ruling has now been upheld by the U.S. Supreme Court, which refused to take the case, thus codifying the lower court ruling. There is no place left for GM to turn to try to legally shield itself against liability in the ignition switch defect debacle. The ruling means that GM is not shielded from liability because it went bankrupt and then reformed. GM had hoped that its "old GM" liabilities would be wiped clean when it reformed as "new GM" and in many ways, it succeeded. However, with regard to the ignition switch defect legal liability, all avenues of the legal attack led the company to the Supremes and they ruled against GM, just as the lower courts had. The ruling means that not only is GM liable for the deaths and injuries, but also for the loss of value GM vehicle owners suffered due to the issue. Our readers may recall that when Toyota settled its massive liability case for unintended acceleration it was not the deaths and injuries that cost the company big bucks, but rather the cumulative loss of value the vast number of vehicles ownered suffered that hit the company in the piggy bank. The Detroit News reports that the financial hit GM is now exposed to is about $10 Billion. Robert C. Hilliard, a lawyer who is handling 243 claims against G.M, told the New York Times, “There are a lot of cases out there that either are going to have to be settled by G.M. or litigated, now that the Supreme Court is not getting involved." GM's legal spokesperson, Jim Cain, had a totally different view of the matter, saying, "The Supreme Court’s decision was not a decision on the merits, and it’s likely that the issues we raised will have to be addressed in the future in other venues because the Second Circuit’s decision departed substantially from well-settled bankruptcy law." Perhaps Mr. Cain is correct, but if there are "venues" other than federal court and the supreme court in which to plead one's losing case, we have not heard of it. Read our prior story here for more details.
  10. I am working on a 2002 Chevy 2500 HD. The ignition key is sticking when you turn it, and will remain in the cranking position sometimes. I swapped out the ignition cylinder and key, everything is all good there. I also know that the cylinder and key is not the issue, because when the cylinder is removed, if you take a large flat head screwdriver and turn the "recepticle" (female end) of the ignition cylinder, it still sticks. I tried lowering the igntion switch and even without the switch in place, it still sticks. Any feedback will be greatly appreciated.
  11. John Goreham Contributing Writer, GM-Trucks.com 1-18-2017 General Motors announced today that it has resolved a Securities and Exchange Commission (SEC) investigation related to the on-going ignition switch defect debacle. The GM relaese is as follows: "General Motors Co. (NYSE: GM) announced today that it has resolved a U.S. Securities and Exchange Commission investigation arising from the company’s 2014 ignition switch recalls by consenting to an administrative SEC Cease and Desist Order, without admitting or denying any wrongdoing. The SEC settlement does not call into question any of GM’s current or prior financial statements or its disclosures. Also, no material weakness or significant deficiency was found by the SEC. Since the ignition switch recall, GM has been proactively and successfully resolving ignition switch issues with customers and regulators at both the state and federal level. GM will pay a civil penalty of $1 million as part of the settlement. In the months immediately following the ignition switch recall, GM reorganized its vehicle engineering teams for greater transparency, urgency and accountability. This included creating a new global vehicle safety organization that is focused on executing zero-defect safety systems for vehicles and customers. The safety organization includes an industry-leading emerging issues and data analysis team and a re-engineered field investigation process. The company also created a “Speak Up For Safety” program that provides all employees and suppliers an opportunity to report or suggest any potential safety related items." We have been following the ignition switch lawsuits very closely at GM-Trucks.com. A few related stories are below, and a search for "Ignition" in the search bar will yield more complete results: - GM Loses Bankruptcy Shield - Could Mean Billions In Liability Payments - GM Has Yet To Lose a Bellwether Ignition Switch Case - The GM Ignition Switch Trial Result Few Saw Coming - New GM Ignition Recall - Now It's New Silverados and Sierras - GM ignition switch defect hurt or killed about 400 people
  12. Hello All, I have an ongoing issue I was hoping to get a few opinions on. A few weeks ago my truck started to gradually spudder when I was cruising with the RPMs jumping very slightly when it did. I did not notice it being related to transmission as it was shifting just fine so I figured ignition/timing. The check engine light came on with the error codes p0016 and p0300, camshaft/crankshaft misalignment and multiple misfires, respectively. I needed some brake work done anyway so I took it in to get serviced and they replaced the distributor rotor, cap, wires, sensor and all the coil packs. It worked fine for about a day and then the light came on. I've been working nights on a turnaround the last 2 months and just do not have time to take it in so I waited. About three days after the truck finally just died on the way home. It flashed low oil pressure/low oil level and the pressure dropped to zero as it was dying. I checked all the fluids and for leaks, everything was fine and where it should be. I had it towed to firestone (only thing that was open on the weekend). They quoted me $1300 for a new ECM and new distributor install. My truck is only work $2500-3000 and I'm coming up on paying that for repairs after the last round and this one. They said my ECM was sending commands but not receiving any and the distributor was not sending anything to the ECM. So my questions, the ECM I can see as being a potential for replacement, but the distributor seems like it would have more tell-tale signs if the gear drive was cracked or worn. They also did not mention anything about the ICM or the timing chain, which to me seem like the most likely culprits here. I really do not want to fork over $1300 only to find out my timing chain is stretched or the gears worn and have to fork over another grand. I'm going in tomorrow to inquire, but any help here would be greatly appreciated. Thank you for your time.
  13. I am having an issue starting my 1991 GMC K2500. Sometimes it fires right up. Other time absolutely nothing happens when i turn the key. If i turn it off and on enough times eventually something will connect and it will start. Other times i have to jump it, and even then sometimes nothing at all when i turn the key. It has a brand new crate 350, and runs great when it starts, but i cant rely on it enough to start to take it anywhere far from home. Any suggestions on what it might be? I have replaced the steering column and had the issue with both the old and new column. Thanks in advance- Ken
  14. My Denali has been at shop on and off for 3 months. Intermittent problem where vehicle is shut off and key is removed but still runs. Local Firestone dealer replace ignition control module, ignition switch, key, cylinder but still does it. It was happening when damp outside but does it randomly now. Going to take to dealer this week. The Firestone dealer, local dealership that was consulted is stumped, and many professional groups say it's impossible based on the diagnostic steps that the vehicle should be still running. Only 100k miles on this truck. Any help would be appreciated. Thanks
  15. Below is a copy and paste of the news article. One month after agreeing to pay $900 million to settle criminal charges arising from an ignition switch defect, General Motors said today it will recall about 3,300 large pickup trucks and SUVs for a similar problem. This time the automaker says the problem in light-duty versions of its 2014 Chevrolet Silverados and GMC Sierras, a few heavy-duty version and 2015 Chevrolet Suburban and Tahoe SUVs, was discovered through a new GM "Speak Up For Safety" program, before any reports of accidents or injuries. "A company employee driving his own vehicle told other engineers about it and they submitted the 'Speak Up for Safety' form," said GM spokesman Alan Adler. The program was created last year in response to the recall of about 2.5 million small cars equipped with ignition switches that could be jostled by a driver's leg from the "on" to the "accessory" position, cutting electrical power to steering, air bags and other functions. The defect, which some engineers knew about in 2003, was linked to 124 deaths. Employees encouraged to speak up to superiors. There is a process that handles each report and determines the severity of the problem. The trucks have ignition lock gears with an outer diameter that is larger than specifications, making them difficult to turn. The keys can get stuck in the “start” position at high interior temperatures, and if driven that way, they could slip into “accessory” if jostled or the cabin temperature cools, GM said in a statement. While the truck problem is similar to the Cobalt, Adler says the cause is different. The Cobalt switches didn’t have enough resistance to keep from slipping out of the run position. Dealers will replace the ignition lock housing.
  16. The pain just seems to never stop. Some Tahoes are also included. We won't harp on the relationship to the just-settled ignition death lawsuits and civil suits. A GM employee is being credited with discovering the new ignition switch defect according to the Detroit Free Press. As always, you can use our link here to look up your truck to see if it falls under this new ignition switch defect.
  17. John Goreham Contributing Writer, GM-Trucks.com 10/17/2015 As unbelievable as this may sound, GM is recalling about 3,300 2014 and 2015 Silverado and Sierras because of an ignition defect. The pain just seems to never stop. Some Tahoes are also included. We won't harp on the relationship to the just-settled ignition death lawsuits and civil suits. A GM employee is being credited with discovering the new ignition switch defect according to the Detroit Free Press. As always, you can use our link here to look up your truck to see if it falls under this new ignition switch defect.
  18. John Goreham Contributing Writer, GM-Trucks.com 6/9/2015 The Wall Street Journal is reporting that Justice officials may charge GM and its officers with felony wire fraud. In the eyes of the Department of Justice, GM lied to the public about the faulty ignition switches. Last year Toyota settled similar charges with the Justice Department over its misleading statements about unintended acceleration crashes. That settlement dwarfs all other automotive related fines. At that time, it was clear to those who report news on Toyota and GM that General Motors' liability and possible criminal wrongdoing appeared much more threatening to the company. The GM issue lasted longer, involved more vehicles, and is reported to have caused significantly more deaths and injuries. General Motors was recently found not liable for the injuries and lowered value of vehicles produced with faulty ignition switches. The courts found that the 2009 bankruptcy shields the "new GM" from the liability it had when it was the "old GM." GM is offering financial settlement to victims' families in the approximately 100 deaths that were found to be related to the defects. The probe is being conducted by the Manhattan DA. In a statement, GM said, “We are cooperating fully with all requests from the [Justice Department], as we have from the beginning." GM-trucks.com will bring you more as this story develops. We would be interested to hear your thoughts on the issue. Will GM be charged? Should their 2009 restructuring absolve them of responsibility if they did the same things Toyota did? You can read more at the WSJ on-line here.
  19. However, today the Wall Street Journal is reporting that Justice officials may charge GM and its officers with felony wire fraud. In the eyes of the Department of Justice, GM lied to the public about the faulty ignition switches. Last year Toyota settled similar charges with the Justice Department over its misleading statements about unintended acceleration crashes. That settlement dwarfs all other automotive related fines. At that time, it was clear to those who report news on Toyota and GM that General Motors' liability and possible criminal wrongdoing appeared much more threatening to the company. The GM issue lasted longer, involved more vehicles, and is reported to have caused significantly more deaths and injuries. The probe is being conducted by the Manhattan DA. In a statement, GM said, “We are cooperating fully with all requests from the [Justice Department], as we have from the beginning." GM-trucks.com will bring you more as this story develops. We would be interested to hear your thoughts on the issue. Will GM be charged? Should their 2009 restructuring absolve them of responsibility if they did the same things Toyota did? You can read more at the WSJ on-line here.
  20. I have been having trouble with my truck, 5.7L, running properly at low speeds. When I go to start the vehicle sometimes it will take 2-3 cranks before it will start but not always. When I accelerate from a stop it will shudder on take off but then level off. I notice it the most while I am accelerating and turning a corner but that may just be coincidence. Also while I'm driving at a low speed in town I can feel it fluctuating in speed slightly but on the highway it seems to be fine. The only major repair I had done to the truck was I replaced the intake gasket. The only thing that was different after that was every once in a while when I started it I would get a grinding on the starter as if the starter didn't release after the engine started. I figured this was a result of the timing being slightly out of spec. I recently had in to the Chevy dealership, the first time it was reading a misfire so they cleaned the spark plugs and said to try that, $50. The next time was a day later because it started doing the same things it was when I brought it in no more then 2 miles after I left the dealership. This time they re-timed it and put a new distributor cap and rotor on, $300. It ran great for a few days then I started to notice the same symptoms. It is not as bad as it was before I took it in but it is getting more noticeable. I also still get a slight grind on the started every once in a while when I start the engine. Items I have changed recently: Fuel Pump(10 months ago) Fuel Filter EGR Valve PCV Valve Cam Position Sensor Crank Position Sensor Throttle Position Sensor
  21. Truck has less than 250 miles on it and now the key won't go all the way into the ignition to allow the truck to start. I noticed this two days ago but I could shake/wiggle/jiggle the key and it would go all the way in and start the truck. Today, I drove the truck...parked it in the garage...now neither set of keys will go all the way into the ignition. I tried the shake/wiggle/jiggle...doesn't work. Anyone else have these issues or have suggestions? Thanks, Mike
  22. Nov. 11, 2014, Northeast Pennsylvania, 2005 Sierra 1500 5.3L *Work Truck w/109000 miles on odometer: After driving for about an hour, I stop at a customer's home [at about 3pm], shut truck off, take key out, get out, and close door. About 20 minutes later, I get back in, place key in ignition, and turn key. Nothing. No starter sound; no lights on dash. It's like there's no battery. So, I breathe and try, again. This time, truck starts right up, like there's nothing wrong. What the heck was that? I driveicon1.png home, park, turn truck off, and get out. At home, I take battery out and place on a charger overnight. ...................... Nov. 12, 2014: I take battery to auto parts retailer who tests it. The test reveals, the battery is good (should start truck) but, is weak (needs a charge). So, I put battery back in truck, connect the cables, get in, put key in ignition, turn key, and it starts right up, like nothing's wrong. While engine is running, I place a load tester on battery. Test reveals, battery is good and alternator is charging well. While running, I drive truck to mechanic, explain everything I know to mechanic, and leave truck. Two days later, mechanic gives truck back, and says, it started right up "Every Time", and he can't find anything wrong with it. The mechanic charged me $20.00 ....................... Nov. 15, 2014: After driving for about 45 mins, I turn truck off, take out key, and get out. About two hours later, I get back in, put key in ignition, turn key, and it's like there's no battery. I leave key in ignition and get out, walk away for about 5 mins., come back, get in, turn key, and truck starts right up, like there's nothing wrong. ...................... Nov. 22, 2014: First thing in the morning, I disconnect the trickle charger and click the Viper remote starter button [twice in a row] to start the truck. Nothing happens as if the system is dead. So, I wait a few seconds and try, again – nothing. So, I wait another few seconds and try, again. This time, the truck starts right up like there’s nothing wrong. …………………….. I can't find a TSB, Special Service Adjustment, or other such bulletins on this issue however, I've discovered other GM vehicles with such related problem(s). Read this for instance: http://www.carcomplaints.com/Chevrol...starting.shtml and, http://www.gm-trucks.com/forums/topi...is-dead-today/ * work-truck: In 2007, bought it 2nd hand from a Stroudsburg, Pa GM dealer. It had 7,800 miles on the odometer.
  23. H, I'm new here and to forum posting. I have a 99 Suburban that died while driving at about 35mph. Tried to restart and it turns over but wont fire. The windows and the interior heat/ac fan wont work at all but there is power to everything else. I checked all the fuses under the hood and dash and nothing blown. I'm leaning towards maybe the ignition switch and something with the security, I read its called VATS. Not sure and with limited funds beings that I am unemployed I cant just throw parts at this. New Optima gel battery 6 months ago and the alternator checked out then too. I poured gas in the TB and it tried to start and then backfired. Seemed liked it was missing maybe. I have 290,000 mi on this and I think it may be the original engine. Any ideas?
  24. 2005 Silverado 1500, base fleet with the 5.3- I was driving down I-65, and all of a sudden, sensor gauges all went out, gear selector, etc- but speedo, tach, and odometer still worked. Same time, air conditioning went out- still blows air, but no A/C. The gauges would occasionally reset to normal, but would shortly after die. Saw the security light flash as well as the brake indicator light. As I was hauling furniture, and had the dog with me, I was hesitant to stop, as the truck was driving just fine, and feared it would not restart due to a security feature. Fortunately (maybe?) this is not the case- truck cranks just fine, but gauges don't function at all at this point. I had had the cluster rebuilt in april due to faulty speedo step motor, so first thing, tried to clean out the plugs and contacts off of that to ensure that was not the issue. Ran into an interesting issue when I was replacing the cleaned cluster back in the dash- Now, when the truck is off, key out, and blower switch on: if I hit the brakes, or turn on the hazards, the blower turns on. It even cycles with the lights on hazard (on when lights are flashed, disengages when lights are off. When the key is in, and the hazards or right turn signal are on, the indicator lights stay lit. Turn the key off, they function as normal. Air bag in picture is normal- vehicle was in previous collision, and the previous owner replaced the air bag on driver side with a plain cover. As this electrical line literally spans the length of the truck, and I have already checked fuses and breakers and the connector for the cluster, any one got any ideas where the likely point of failure(s) is? I am thinking ignition switch is likely culprit, but unsure how to diagnose.
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