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Professional Automotive Repair Technical Discussions for June 17, 2011 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1997 Chevrolet Monte Carlo LS 3.1L fuel gauge VIN: 2G1WW12MOW Hey guys Im looking for a little assistance here on this Monte Carlo. The fuel gauge will not come off of full. Ive tried everything. The customer put in a sending unit and I put in a cluster. Does anyone have a testing procedure for this and maybe a wiring di... |
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| 1999 Chevrolet K1500 Suburban 5.7L Misfire, MIL Lamp on VIN: 3GNFK16RZZ At idle we lose spark to #2 clynder sometime 8 we can watch it drop out on the scope we have new cap and rotor new distributor new plugs ,has anyone seen this .it is not injection nor anything else but we lose spark to #2 cly at idle only also crank sensor has... |
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| 2000 Chevrolet Impala 3.4L Air bag & Wipers VIN: 2G1WF55E6Y First time customer came in with a complaint that when her wipers were turned to the intermittent setting, and the wipers were active, the air bag light would come on. When the wipers went back to the park position, the air bag light would go off. First though... |
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| 2001 Chevrolet Impala 3.4L cluster, radio VIN: 2G1W55E719 customer had been getting a draw at the battery causing it to go dead in a few days of sitting, so when i got the car the first time i had to tow it in it was a no start, no communication from bcm replaced that, had it flashed byu the dealer, started just fine... |
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| 1986 GMC S15 High Sierra 2.5L Excessive Emissions, Poor Idle Quality, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1GTCT14E7G Here's a weird one! Engine was rebuilt by owner (good, experienced mechanic). Will start and run roughly, occaisional backfire through throttle body UNTIL the alternator 1/2 plug is plugged in and it starts charging. When the alt. is online, the TBI immiediate... Trouble codes: 33 (Map signal voltage high) |
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| 2005 GMC W4500 Forward W4S042 5.2L Excessive Emissions, Hesitation, Poor Fuel Economy VIN: J8DC4B1615 Truck came to shop two years ago with miss cyl 3 and injector problem(was able to scan with obd2 gen). Truck went to dealer for repairs, came back with same driving issues, tried to scann and could not, after ecm was replaced gen scann does not work? truck is ... |
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| 2006 GMC C4500 Topkick C4V042 6.6L Excessive Emissions VIN: 1GDE4E3216 this vehicle was brought in for black smoke on acceration, there are no codes present, power seems good and engine runs smooth, only problem is smoke. this vehicle was towed into another shop out of state and they found the mass air flow sensor was unplugged, ... |
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| 1996 Pontiac Firebird Trans Am 5.7L No Start VIN: 2G2FV22P1T Vehicle came in as a no start. Customer stated the individual he recently purchased the car from said that it had been quitting intermittently. After my customer purchased the car it finally died and would not restart. I ran the troubleshooting according to Mi... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2006 Cadillac SRX 3.6L Starting VIN: 1GYEE63726 Found the ECM was bad, The key was reconised but the ECM was unable to gound the starter relay. This vehicle had to go to the dealer to have the ECM installed and programed. Thak you for all the help. My Determator scan tool actualy had the fix in tech help.... |
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| 2003 Chevrolet Silverado 1500 5.3L MIL Lamp on VIN: 1GTEK19T73 First I was mislead by the shop that sent this vehicle to me. It had an aftermarket throttle body on it ,this set the MIL constantly. Luckly they still had the original part so I installed it back on. Then I removed the harness to the pedal sensor and tested i... Trouble codes: P1125. |
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| 2005 Chevrolet Avalanche 1500 LT 5.3L Blower Motor VIN: 3GNEK12TX5 thank you for all the quick responses. i did some more testing on the resistor module and found that i had a bad resistor. replaced it and still didn't work. but there is a catch, the high speed (#5) only works whith the truck actually running not in the start... |
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| 2006 Chevrolet Trailblazer EXT LS 4.2L Idle VIN: 1GNET16S66 I did clean the throotle body,and the mas air flow looked fuzzy as heck.cleaned it also.fixed the truck.Thanks everybody! |
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| 1999 GMC Yukon Denali 5.7L Transfercase VIN: 1GKEK13R7X The transfer case switch was replaced with an OEM switch after swapping out aftermarket switches ( which produced the same problem ) finally fixed though. Stick with OEM if you do replace things like this and save yourself a whole lot of hell. THANX TO EVERYON... |
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