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Professional Automotive Repair Technical Discussions for September 18, 2012 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1996 Cadillac Seville SLS 4.6L Excessive Emissions VIN: 1G6KS52Y7T Good Morning. Not sue where to start with this Cadillac. I appreciate any ideas you can give me. 1996 Cadillac Seville 4.6 failed California emissions test, but not enough for me to have an idea where to look. Car runs great, not codes stored no misfire hist... |
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| 2002 Cadillac DeVille 4.6L abs VIN: 1G6KD57Y82 Vehicle came in with intermittent service stability light coming on with abs light and trac light also. It had a history code c1234 stored and no current codes. So we replaced the left rear hub bearing and stub harness. Test drove it and all was good, so we ga... |
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| 1989 Chevrolet Corvette 5.7L Fuel Injector Pulse VIN: 1G1YY2187K This headache has been sitting in my bay for 2 weeks now, and I am about to give up hope! This well taken care of 1989 Corvette ran when parked 2 years ago, and the owner went to show the car to sell it and it would not start. Suspecting a bad fuel pump, they... |
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| 1992 Chevrolet Astro CL 4.3L Hesitation VIN: 1GNDM15Z3N replaced temp senser because of incorrect temp reading eng. runs rough seems like it does not want to take gas. manualy apply vacume to senser when running it will take gas and runs ok. do u know if there is a bulliten on calibration prom Trouble codes: 33 (map sensor signal voltage high vacume low) |
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| 1998 Chevrolet Corvette 5.7L Power windows, power door unlock VIN: 1G1YY32G0W 1998 Corvette. The driver’s side door panel switches, only some function operate correctly and we have no communication with the LH Door Module. Trouble codes of significance are Class 2 TXD Failures in the RFA (Remote Function) and the RH Door Module (U109... |
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| 2006 Chevrolet Impala LS 3.9L Starter VIN: 2G1WS55146 Car was towed in as a no start, customer says car started ok untill he installed amps and subs, then no start. Here is where it gets strange, car starts and runs fine but there is a delay of 3 to 8 seconds between the time the key it turned to start and the st... |
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| 2007 Chevrolet Uplander LS 3.9L transmission VIN: 1GNDV23167 Has a big list of codes.This transmission just stopped pulling forward or reverse,this is in transmission codes.P0562,P0572,P0602,P0603,P062F,P0711,P0716,P0717,P0722 ,P0723,P0741,P0742,P0751,P0752,P0756,P0757,P0842,P0973,P097 6,P1826, It clears codes but under... |
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| 2003 GMC Sierra 2500 HD SLE 6.6L 1st gear VIN: 1GTHK23113 I have this 2003 GMC 2500 HD it has the Allison tranny shutters when taking off from stop under 10 mph or until it shifts up.no problem on down shift. after that no problems. no codes are stored. we serviced trans fluid and filter Dextron iii and allison spin ... |
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| 2005 GMC Sierra 3500 SLT 6.6L injection VIN: 1GTHK332X5 tested dtc p0202 and p2149 repaired wiring and re tested,suspect FICM driver shorting |
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| 2007 GMC Sierra 2500 HD Classic SL 6.6L Driver Door Module One for you GM dealer guys. Got this GMC 2500 that the driver door module would not operate the drivers window, all the other windows worked fine. Replaced DDM, when they went into Tis to Web to program the new DDM as soon as they went to download, an error me... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1991 Chevrolet Corsica LT 3.1L No Start, Cuts out, Stall VIN: 1G1LT53T9M OK, guys, I wanted to update (reiterate things), but I can't, so I'm closing this one for now. The injector suggestions have merit, and some of them do ohm low, but I never lose the pulse or power on either circit; As it's shutting down,the pulse is still pr... |
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| 2000 Chevrolet Blazer LS 4.3L transfercase VIN: 1GNDT13W5Y thanks for everyone's help. We put on a new TCCM and it works just fine. |
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| 1999 GMC K1500 Sierra SLE 5.7L master cyl VIN: 1GTEK19RXX many pointed out about rear adjustment and trapped air and pinching off the lines to see if its in the calipers another good point was to plug the master and see if it still drops thjen you know its the master.and other said about a power bleed. everyone has ... |
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| 2002 GMC Sierra 2500 HD SL 6.6L Mechanical VIN: 4X4FCAE202 Thanks for all the help. Turns out i had the vin wrong on this truck. Ends up being a injector connector at #2 injector Thanks jim and every one else who help me |
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| 2001 Pontiac Firebird 3.8L vtd VIN: 2G2FS22KX1 first of all thanks to all that gave me their help.the fix was to replace the bcm and the ign.lock cylinder sensor.the bcm because it would not learn the fob,the broken wire for the key sensor fixed all the other codes.charles and gordon hit it on the head.cra... |
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