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Professional Automotive Repair Technical Discussions for March 4, 2009 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2002 Buick Regal LS 3.8L extended crank VIN: 2G4WB55K82 This one has me stumped. Intermitant extended crank, with occasional backfire Crank and cam synk up nice on the scope. Injector pulse is good as well as fuel pressure. Fuel pressure is holding. (not leaking down). Has started well every time since I hooked up ... |
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| 2004 Cadillac CTS 3.6L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GC3GFS61H well, i have this 2004 caddy cts 3.6l with code p0341. i have replace the cam sensor, and code reappears after about a mile of driving. idle quality is not as it should be. with scanner i can watch the cam sensor values. i notice that when the desired position... Trouble codes: P0341 (intake camshaft position sensor performance bank 1) |
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| 1970 Chevrolet CORVETTE 7.4L windshield wipers VIN: 194370S409 i have a 1970 vette that has had about 80% of restoration done before showing up here.wiper switch plate is lying in car not hooked up.wipers inop.wiper cowling is not installed.12 volt power wire to wiper motor is good but the wiper motor is bleeding 12 volts... |
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| 1997 Chevrolet K1500 Cheyenne 5.7L steering box VIN: 2GCEK19R2V Vehicle arrived complaint is very little to no effort required to steer. On road test I found when turning if you release steering wheel it will continue in the same direction. I am thinking steering box problem pump is silent fluid is clean am hooking up pres... |
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| 1998 Chevrolet Astro 4.3L Poor Idle Quality, Misfire VIN: 1GBDM19W3W customer came to shop with misfire in cylinder 6. found to be low compression in that cyl. about 60 psi. sent the heads out for checking. right hand side head was craked with a bent and burnt valve. had head replaced with a known good head and a valve job was ... |
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| 2000 Chevrolet K3500 5.7L wont shift into 4th gear at times VIN: 16BJK34R6Y Hello there I've got this 2000 K3500 with a 5.7 and 4l80E it seems to shift fine untill it gets warm then shifts 1,2,3 and gets stuck there. All data seems to be fine not that familar with these. I am able to manually shift trans with scanner. Any ideas Thank ... |
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| 2001 Chevrolet Tracker 2.0L MIL Lamp on VIN: 2CNBJ13C41 all info in related repair Trouble codes: P0328 |
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| 2004 Chevrolet S10 LS 4.3L Cuts out, Stall, Misfire VIN: 1GCDT13X64 This vehicle has been coming in with intermitent problems with crank and/or cam sensor problems over the last year or so. All circuits and wiring are testing fine. As for sensors, I have tried replacing one or the other and end up replacing both and redoing th... Trouble codes: P0335 (Crank sensor Circuit), P0341 (Cam Sensor Circuit) |
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| 2005 Chevrolet Silverado 2500 HD 6.0L Internittent Battery Drain VIN: 1GCHK24U55 Good morning This problem started about 6 months ago, customer called with a dead battery installed a new one. Several weeks later battery is dead, recharge battery ck charging system no problem. checked glove box or hood light has none. This truck is very ba... |
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| 2005 Chevrolet Trailblazer EXT LS 4.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GNDS13S75 Hi GM techs, I hope someone can help me with this headache. I have this trailblazer with an idling problem. Came in with PO300 and PO014. The PO014 has not come back since i cleared it. THe problem is at idle, this truck misfires on cylinders 2,4, and sometime... Trouble codes: P0300 (random cylinder misfire), P0014 |
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| 2008 Chevrolet c5500 6.6L chng fuel filter light VIN: 1GBG5V1918 I am looking for the procedure for resetting the fuel filter light on this bus. this is newer than the software in my genisys just wondering if there is a way to reset this light with out taking it to the dealer, we don't normally work on vehicles of this size... |
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| 1996 GMC K3500 Sierra SL 6.5L No Start, Stall VIN: 1GTHK33F8S Customers original complaint was intermittent engine stall while driving with immediate restart then progressed to engine stall while idling hot or cold with immediate restart..now the vehicle will not restart. |
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| 1998 GMC C3500 Sierra SL 7.4L Excessive Emissions, MIL Lamp on VIN: 1GDKC34J8W this truck is working me over it sets many o2 codes but will set p0137 on decel from interstate checked power and grounds and all seems well. bank one sensor 1 will drop to 0 mv on decel from highway speeds plese help any advise would be great Trouble codes: P0131 (p0133-), P0133 (p0137-), P0137 (p0151-), P0151 (p0157-), P0157 (p0175-), P0175 |
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| 2004 GMC Sierra 1500 SLE 4.3L MIL Lamp on VIN: 1GTEC14X04 car was towed in for a no start engine was flooded with fuel replaced plugs and truck started up ran a little rough so we replaced cap and rotor wires and was running ok after running for 15 min. check engine light came on checked codes po171 there were no cod... Trouble codes: P0171, P0174 |
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| 1994 Oldsmobile Cutlass Supreme 3.1L timing chain VIN: 1G3WA55M0R Vehicle came in as a no start. Found broken timing chain, front cover, and crank sensor. Replaced them all and still no start. It backfires out the intake. I double checked the timing and it looks fine. Are these engines interference fit? Could it be that i ha... |
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| 1990 Pontiac Grand Prix LE 3.1L rpm,speedometer VIN: 1G2WJ14T9L i really hope someone can help me with this problem this car is driving me crazy. the light on the dash lights up says check gauges when you race the motor up the rpm gauge goes all the way up to 7000 when you drive the car down the road the rpm and speedomete... |
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| 2003 Saturn Ion-2 2.2L lock cylinder VIN: 1G8AJ52F23 Need help with this saturn please. The lock cylinder will not turn to off position. Shifter will move out of park with out pushing on brake pedal and lights on shifter position on console do not light up. I can manual turn key off by pushing in lock actuator o... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2000 Buick Park Avenue Ultra 3.8L wipers VIN: 1G4CU5416Y Well i got 7 good replies on this beauty. As i said in my post i put a new Delco module on to make them work. I didnt charge the woman cause i figured she would be back after i got more info. WRONG... I have called her but she has yet to come in. Out of all th... |
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| 1997 Cadillac DeVille 4.6L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1G6KD54Y0V Thank you for your input on this repair. A thanks to Robert [...] for being right on the money. There is a spring loaded flap on the end on the manifold for backfire protection.It had blown out when the car backfired. Also the fuel pressure regulator was leak... Trouble codes: P0101. |
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| 2001 Chevrolet work horse 6.5L Electronic VIN: 5B4KP42Y51 hi guys the ecm was not for this truck i get the right ecm and the trans shifting ok thank you guys |
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| 2005 Chevrolet Express 3500 6.0L no gears VIN: 1GBJG31U75 We pulled apart and found a broken main shaft .Customer said he wanted to put a used in . |
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| 2001 Oldsmobile Alero GL 3.4L power topcm VIN: 1G3NK12TN9 Well, its been about two weeks i sent the car with the cust[family friend]and it has been fine ever since ...the fix? ever since the battery was changed this car has been perfect |
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| 1996 Pontiac Grand Am SE 2.4L theft system VIN: 1G2NW5277T thanks for the information i made contact with company in denver and will be sending cluster to them. |
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| 2002 Pontiac Grand Prix GT 3.8L Int. will go dead VIN: 1G2WP52K02 Thanks for all of your advice and help. I found that the random access relay was waking up the computer and causing the drain. The relay connections where burned. Thanks. |
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| 2002 Saturn SL 1.9L clutch VIN: 1G8ZF52892 Thanks to all who responded. The problem was in the hydraulics from the start,I should have caught it when the slave cylinder push rod couldn't be pushed back with ease, the one peice hydraulic system was not allowing fluid to return, therefore the clutch was... |
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