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Professional Automotive Repair Technical Discussions for March 9, 2011 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2008 Cadillac SRX 3.6L 3rd row seat VIN: 1GYEE63728 To all valued tech The seat will not auto calibrate .After replacing the track we connected the electrical connectors on the wrong motors and operated the seat .I realized the mistake and corrected it. I can operate the seat with the tech2 and all motors wor... |
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| 1998 Chevrolet Cavalier 2.2L Timing Chain VIN: 1G1JC5246W Hello all, I have this Cavalier 2.2 which has a timing chainish noise, along with oil pouring out of the front of the engine. It appears as though the front crank seal is leaking. I have replaced this chain and gears at least 3 times over the last 2 years. I s... |
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| 2001 Chevrolet Blazer LS 4.3L No Start VIN: 1GNDT13W11 Hey guys here's the problem. Blazer brought in with no spark. Also had no com with pcm. All other modules good and showing u codes which were from no pcm being present. Install reman pcm from chevy store, programmed and reset security. Now i have com,no securi... |
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| 2002 Chevrolet Malibu 3.1L Hesitation, Misfire VIN: 1G1NE52J32 Hello everyone, thanks in advance for your help. I have searched archives and TSB's and cannot figure out this one. The car has no codes, runs great normally. Once warmed up if it is on a slight incline or under a load it misfires on random cylinders. Fuel pre... |
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| 2003 Chevrolet Venture LS 3.4L Idle too hight VIN: 1GNDX03E83 Van came in from other shop they replaced idle speed tps and map sensor and could not get idle to come down if i unplug map sensor it will idle fine.the problem i see with scanner data is with map sensor pluged in with key on engine off tps voltage is at 3.58 ... |
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| 2007 Chevrolet Impala LT 3.9L Poor Idle Quality, Misfire VIN: 2G1WC58R17 came in with cel. code p0300. customer stated no work has ever been done. I suggested a maintenance tuneup. plugs and wires. after that it still has a misfire. no 4 is the most. a few others have just a couple misfire hits, but no.4 is in the 25000 range. curr... Trouble codes: P0300 |
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| 2008 Chevrolet Express 3500 6.0L Hydro boost VIN: 1GBJG31K38 Hello iatn tech i have this mini bus and all we did was flush the power steering system and now the hydro boost is make a crazy noise.when you push the brake pedal it make a loud noise and vibrates real bad.i followed the bleed proceedure and still no differen... |
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| 1997 GMC Savana 2500 4.3L Hesitation, Surge, Misfire VIN: 1GTFG2FW6V when this engine is cold the idle is perfect but when you go to speed up slowly like normal driving this thing almost stalls and will not rev up at all unless you mash it then it runs like a deer. now when it shifts to a higher gear and idles down, same thing ... Trouble codes: P0300 |
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| 1999 GMC K1500 Suburban 5.7L No Start VIN: 1GKFK16R8X Need input for this truck, runs wonderful when started, but will not start cold, even with a puff of ether no go! all perameters are there to run yet wont,,plug it in and let it warm for 30 minutes it starts up and runs normal, all test come back normal, injec... |
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| 2002 GMC Envoy SLT 4.2L Fuel Gauge, Oil Gauge VIN: 1GKDT13S42 Vehicle will intermittently miss/stumble like switched key to off/on. All gauges will go to zero, service engine and check gauges light comes on, vehicle still runs/drives, scan tool wont communicate with pcm, bcm has class 2 communication code. |
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| 2007 GMC Yukon Denali 6.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GKFK63847 What up guys? I got a Denali that very intermittenty the desired cam angle and actual won't match. I drove it home last night and once the desired was 15〫and actual was 0〫and ran fine. I drove it home today and after a 20 mile drive pulled off th... Trouble codes: P0011, P0300 |
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| 2005 Other GM h2 6.0L air bags VIN: 5GRGN22U85 I have a hummer here that will intermittently loose pressur in the back air bags. I pulled code and i have a c0707 excessive compressor activity, c0711 level control air pressure sensor crt malf, c0713 compressor 1 overtemp, c0718 compressor 2 overtemp. I am t... |
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| 2004 Pontiac Grand Prix GTP 3.8L fuel gauge VIN: 2G2WR52434 I'm stumped. This car came in with a p0463. The fuel gauge will go to full when you first start it and the it defaults to empty and thelow fuel warning light comes on, so naturally I assumed the sending unit was bad. I changed it same problem. I havetested for... |
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| 2007 Pontiac G6 GTP 3.6L Misfire, MIL Lamp on VIN: 1G2ZM58767 Thanks for your time. This this has got a miss on cylinders 1 3 and 6. swaped coils around no change swaped fuel injectors with no luck pulled both cats and no change good compretion on all cylinders. injector spay pattern good, coils are snapping hard. the th... Trouble codes: P0300, P0306, P0301, P0303 |
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| 2002 Saturn SL2 1.9L Hesitation, Surge, Cuts out VIN: 1G8ZJ52782 Car stutters in all gears btw 2-3000 rpm on acceleration then smooths out. (Feels like someone who dosent know how to drive a clutch) Every time you accelerate quickly in any gear it stumbles and feels like it is cutting out. Did road test with scanner and no ... |
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| 2007 Saturn Aura XE 3.5L brake switch VIN: 1G8ZS57N17 customer complains of having 2 depress brake pedal 2 far before brakelamps come on or shift interlock releases, i checked the brake switch for an adjustment but does not look adjustable, also cecked for something possibly bent but was ok, so i suggested puttin... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1994 Chevrolet Camaro Z28 5.7L No Start VIN: 2G1FP2219R Thanks to all who took the time to reply. The camaro has been running great for the last few days since it was repaired. The aftermarket ECM we installed early on was replaced with an OEM unit. We flashed it and all was fixed. Thanks again, Neil. |
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| 1997 Chevrolet Tahoe 5.7L Steering VIN: 1GNEK13R0V Thanks guy's for all the help. It turned out to be the p-s hoses. I replaced both pressure and return hoses and problem went away. |
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| 1998 Chevrolet Astro 4.3L abs VIN: 1GNEL19W4W Thanks for all your help It seems that the rear sensors is attached to the frt left speed sensor. All Ideas sent were a big help |
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| 2001 Chevrolet Tracker 2.0L No Start VIN: 2CNBJ13C61 I appreciate your help guys. My communication problem turned out to be the Modis. What a surprise. I plugged in my $100 code reader and it worked. I called the boys at Snap-On to see if I had the wrong key. He suggested trying global OBD2. That did work ... |
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| 2002 Chevrolet S10 2.2L Shift SOLENOID VIN: 1GCCS19522 FIXED !! as all replies and my own thoughts on this was a bad ecm. what made me nervous was when trans tried to shift to 3rd,solenoid was not shutting off. but when ecm commanded 3rd gear failsafe,it would run in 3rd.im guessing must be two seperate drivers in... |
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| 2006 Chevrolet Impala LT 3.9L right front turn signal VIN: 2G1WS55146 Thanks to everybody for help.We did check all inputs and outputs,ground signal from switch,ground at lite assy-all checked good.We took car to dealer,tech called me to ask history,he did the same checks we did .He called gm tech assistance.The only thing I cou... |
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| 2007 Chevrolet Uplander LS 3.9L Starting VIN: 1GNDV23W27 You guys are the greatest. I have had some experience with anti-theft, but never had one that beeped when you tried to start. Did the procedure and it started right up. Thanks guys. |
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| 2007 Chevrolet Impala LS 3.5L shift lock VIN: 2G1WT58K97 Sorry for the delay. This one is fixed. A new solenoid repaired the impala. |
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| 2009 Chevrolet Traverse LT 3.6L Hesitation, MIL Lamp on VIN: 1GNER23D89 With 21,000 miles and no previous mechanical work done on motor, we opted to have the pcm reprogrammed. I would like to give special thanks to Eric for providing me with the TSB# 10287A. Never could find it on Mitchell, but was able to google it and found th... Trouble codes: P0017 (Ckp-exhaust camshaft position correlation bank 1). |
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| 2002 Pontiac Grand Prix GTP 3.8L Misfire, MIL Lamp on VIN: 1G2WR12192 Hello all, thanks for all the help. Lot of great responses about possible vacuum leaks or possible mechanical issues. The vacuum was steady while the engine was running and it also had good injector pulse on #5. Compression was a lower than cyclinder 3. Ended ... Trouble codes: P0128, P0300. |
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| 2001 Saturn L300 3.0L Poor Idle Quality, Hesitation, Stall, Misfire, MIL Lamp on VIN: 1G8JW54R91 Thanks to all. Still not sure why when disconecting MAF sensor nothing changed, but problem was in fact a bad MAF sensor. Sorry for the late response, but wanted to make sure it was fixed before posting. Trouble codes: P0102, P0172, P0175. |
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