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Professional Automotive Repair Technical Discussions for January 10, 2011 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1966 Buick Skylark 4.9L Stall VIN: 1BH2A3AA4A Hello Iatn, I have one that should be easy, for some reason this one is not. I have here a 66' skylark dont really know if its a 300 or a 340. The customer drove the vehicle and it simply stalled on them. It was towed to the shop where it would not restart eit... |
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| 2000 Chevrolet K3500 7.4L MIL Lamp on VIN: 1GCHK33J5Y First i don't have a lot of test details as customer was in a hurry!when i told him the code and that i would like to test the o2 sensors he insisted i just replace them.i did.i ran a mode 6 scan and it showed that the egr had failed the cruise test and decel ... Trouble codes: P0171 (System lean bank 1) |
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| 2002 Chevrolet Cavalier 2.2L monitors VIN: 3G1JC52452 This is a weird one, three readiness monitors will not clear at all, the comprehensive component, fuel system, and oxygen sensor. There are no pending codes, current, or history codes. I drove the car exactly how the drive cycle test wanted me a couple times a... |
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| 2006 Chevrolet Tahoe LT 5.3L Electronic VIN: 1GNEK13T16 let me start with a thanks to all who reply. truck came to us with a concern of no heat from the rear unit. had codes,b0429 temp control 3 range perf. and b3531 air flow control 10 circut malf. found gm tsb for those codes checked voltages to module and the te... |
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| 2006 Chevrolet Malibu Maxx LT 3.5L MIL Lamp on VIN: 1G1ZT618X6 Car came in initially with mil on and no power. had codes p0120, p0220, p1516, p2101 and p2135. Cleared codes, test drove, was fine then vehicle goes into reduced power mode intermittently, sets codes P2101 and p2135 traction control turns off and mil illumina... Trouble codes: P2135, P2101, P1516, P0220, P0120 |
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| 2007 Chevrolet Trailblazer LT 4.2L Hesitation, Surge VIN: 1GNDT13S67 Thanks in advance for any help you can give. This Trailblazer is kicking my butt. At steady throttle or slight acceleration at 55+ mph, it bucks and acts like the TCC is kicking in and out. Sometime quite harsh. The tach will rise and then drop 100-300rpms. Un... |
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| 1998 GMC K1500 Sierra SL 5.7L abs module VIN: 1GTEK19R4W truck came in with a rear brake line broken. replaced brake line blead system brake pedal was still soft did auto bleed 4 times. pedal was still soft. replaced master cyl pedal pedal much better. but last 5 to 10 feet the abs pump coming on. replaced abs pump ... |
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| 1998 GMC K1500 Sierra SL 5.7L No Start, Poor Idle Quality, Stall, Misfire VIN: 1GTGK24R9W Truck cam in two months ago for a LOF. Customer stated that when it was cold it would have a no start/skip/stalling/lack of power until it was warm. Was unable to duplicate problem, checked for codes none found. Checked fuel trims, indicated excessive fuel by ... Trouble codes: P0108 |
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| 2004 GMC Envoy XL SLT 4.2L Air bag light on VIN: 1GKET16S84 Air bag light on.scanner says"no communication".i can scan engine codes okay,but air bag info not available.using newest type solus scanner.problem to solve is to communicate. |
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| 1992 Pontiac Grand Prix SE 3.1L Mechanical VIN: 1G2WH54TXN This car came to us with head gasket problems compression in radiator, milk on oil fill cap. We removed heads there was milk in valve covers and lifter area. Rear cylinder head had a broken head bolt. Heads were sent to a machine shop they were pressure tested... |
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| 2000 Pontiac Grand Am GT 3.4L Excessive Emissions, No Start, Poor Idle Quality, Stall, MIL Lamp on VIN: 1G2NE52EXY I am having a terrible time with this vehicle. I hope you guys or girls can help me. Ive had this car for two weeks now and I cant seem to figure it out. It takes forever to start when cold. The colder it is the longer it takes. Koeo the fuel pressure was 40lb... Trouble codes: 1689 (Oil pressure switch), 0300 (Random cyl misfire) |
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| 1998 Saturn SC2 1.9L battery drain VIN: 1G8ZG127XW This car has a .034 amp draw and if it sits for 2 weeks the battery is dead. Is this normal for this car? He said he's had to replace the battery 3 times. I tried the voltage drop test on each fuse. One time one seemed to have a drop then went away. Any ideas?... |
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| 2001 Saturn LW300 3.0L No Start, Poor Idle Quality, Stall, Misfire VIN: 1G8JW82R71 vehicle came in running poorly went out to get car in am would not start at all unless holding throttle to floor after starting stalls with in 10 seconds and will not restart without holding to floor disconnected 1 3 5 coil no change runs exactly the same fuel... Trouble codes: P0171 (Lean), P0174 (Lean), P0300 (Misfire detected), P0301 (1 misfire), P0303 (3 misfire), P0305 |
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| 2003 Saturn Vue 2.2L No Start VIN: 5GZCZ33D33 Hello everybody i got a 2003 saturn vue with a 4 cyl that wont start i can't hear the fuel pump kick on or any relays at all speacially the throttle body its electric u step onthe gas pedel and don't move so i hook my snap on scanner and i don't get any commun... |
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| 2004 Saturn L300-3 3.0L No Start, MIL Lamp on VIN: 1G8JL54R04 Intermittently will not start. Customer says if it starts it will run fine until shut off again and another gamble if it restarts or not. I let it sit overnight and tried only cranked at first so I held gas pedal down and it fired up. From then on it fired and... Trouble codes: P2119 (Throttle Closed Position), P2176 (Min Throttle Position), P0560 (System Voltage), P0700 (TCS Fault), P0261 (P0264 P0267 P0270 Cyl1-3 Injectors), P0458 (Evap Purge Sol) |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2011 Buick Lacrosse 3.6L SDM module VIN: 1G4GC5ED6B Well thanks to everyone who replied. The vehicle went to the dealer. It can only be set up with an MDI. We were able to flash and set up the key in the BCM but that was as far as we could get. Thanks again to all who replied. |
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| 2003 Cadillac CTS 3.2L Alternator VIN: 1G6DM57N43 Well it's finally fixed. Don from Michigan was right when he wrote, these charging systems are confusing at best. I did try his sugguestion at www.flatrater.com but didn't want to subscribe. Matt from Arizona, sorry about your troubles, sugguested to check the... |
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| 2006 Cadillac CTS 2.8L Airbag Light on VIN: 1G6DM57T16 Thanks for all the help. It looks like the tech 2 has to be used to retrieve the codes from the PPS and after replacing the PPS module the system has to be reset (rezero or initionalized) also with the tech 2. I took to the chevrolet dealer and all is good. ... |
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| 1999 Chevrolet Astro LS 4.3L No Start VIN: 1GNDM19W2X to all that replyed thanks it was the ignition switch. at least now he can make his doctor apoitments. and again thanks john Trouble codes: P1361. |
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| 1999 Chevrolet Silverado 1500 LT 5.3L Blower Resistor VIN: 2GCEK19T3X Well, I thank everyone for the information but the customer never brought the vehicle back for further testing and hunting for the area where the leak was coming from. Again, thank you all for your help! |
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| 2000 Chevrolet K2500 LS 5.7L hard start VIN: 1GCGK24U3Y thanks everyone for all feedback. i concentrated on the fpr because of the buzzing noise i was getting from it. i put a piece of paper on the fpr and after several hours there was a trace of fuel on the paper. i replaced the regulator and so far so good and th... |
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| 2003 Chevrolet Impala 3.8L No Start VIN: 2G1WH52K33 After 31 replies and after working on this one on and off for a month. I think this one is fixed. Had multiple problems. First disconnected BCM( As the replies from Armado, Kerry, Louis, Mark, Perry, Roger, and Tarig had said to) and had communation with all m... |
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| 2004 Chevrolet Express 3500 6.0L Mechanical VIN: 1GCHG35U24 well I believe it is fixed, as some suggested I replaced the flexplate with a new updated GM kit, I also replaced the torque convertor although there was no wear on the "snot" that rides in the pump bushing, it looked real good, The new flex plate is a differe... |
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| 2011 Chevrolet Silverado hd 6.6L diesel exhaust fluid VIN: 1GC1KXC85B The dealer finally did some updates and apparently cures the problem.They wouldn't give me any details and seemed pissed off that I knew this information for some reason,anyways all is good for now.A very sincere thank you to the 7 members who responded |
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| 2008 Other GM 2008 3.6L Hesitation, Misfire, MIL Lamp on VIN: 6G1EK52B78 thanks guys for your help and time, special thanks to Joseph, Chris, Rob,David and malcolm.all replays was helpfull,the best reply was from Joseph.I rflashed the PCM with no luck , replaced one coil same no change the fix was remove both cylender heads... Trouble codes: P0300, P0306. |
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