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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for March 12, 2005
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Open Help Requests for GM
Help Request Answers
1999 Cadillac Seville STS 4.6L ignition VIN: 1G6KY5496X
any help or idea's is very much appreciated engine light comes on intermittently, scan system, code found miss fire in cyl #1. have changed plugs, wires, ignition module and coil pack. has anybody ever had this problem thanks for any help possible
1992 Chevrolet Cavalier RS 2.2L engine VIN: 1G1JC5440N
car runs fine - open loop closed loop-integrator goes down 55-70 then skips & stalls. we had put in a new oxygen sensor, but for some reason the car runs fine if the oxygen sensor is unpluged. if anyone has any suggestions or has seen this before please let ...
1996 Chevrolet C1500 5.7L Hesitation, MIL Lamp on VIN: 1GCEC14M8T
Came in for a check engine light. Found codes for bank one sensor 3 dead. Has a nasty hesistation when you snap the throttle. Replaced the o2s, but found that the scanner shows map of 10" at idle and goes to 27" under acceleration. Impossible on a running engi...
2002 Chevrolet Suburban 1500 LS 5.3L all gauges VIN: 3GNFK16Z8G
HI all I have this suburban and the gauges cut out when you hit a hard bump got it from the other tech in our shop .I see no codes The other tech pulled the cluster and found nothing .I have repaced the ign switch and have read the post for chaffed wires over ...
2004 Chevrolet Venture LS 3.4L windshield? VIN: 1GNDX03E34
Vehicle has a very annoying & loud buzzing sound when traveling at speeds at or above 65mph. It seems to eminate from the windshield right in front of the driver. It does seem to dissipate with a window cracked. Also is most apparent in a crosswind. Have seen ...
1994 GMC Jimmy SLE 4.3L Hesitation, Stall VIN: 1GKDT13W8R
Vehicle ws brought to me after all these things were done. I have spark Fuel pressure and delivery. Yes, Pulled plenum and each injector to visually see that they were squirting fuel. Cranking RPM's change on scanner. Base Pulse Width 5-6 ms. NO CODES! Have ch...
1995 Pontiac Bonneville SE 3.8L Hesitation, Cuts out, Stall VIN: 1G2HX52K8S
HELP! This car came from a used car lot, stalling when ever it sees fit. Car lot owner changed ignition module twice (Napa parts) before bringing it to me. He says it will stall at idle or at 60MPH down the road. It might start right away, it might not. I've s...

Fixes & Summaries for GM
Fix/Summary Answers
1990 Cadillac DeVille 4.5L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1G6CD5332L
thanks to everyone who responded. car from hell is finally fixed.dont know what exactly i did wrong but after replacing dist with used one car started up good. all problems were gone. Trouble codes: E41, E30, E52.
1993 Cadillac Seville STS 4.6L engine oil pump VIN: 1G6KY5295P
Thanks to all. Per info already in data base, I replaced the oil pump with a 'Clevite' aftermarket pump which has the standard poppett style pressure relief valve. Note: primed new oil pump with vasoline. Also replace oil pressure manifold with updated part, r...
1997 Chevrolet Cavalier LS 2.4L No Start VIN: 4G1JF32T1V
If you look at the stated test data you will notice that every thing looks fine and computer is responsive to sensors . Well after running test after test and finding nothing I let the car sit for a few days . I came back looked at my data again and saw nothin...
2000 Pontiac Grand Prix GTP 3.8L fuel pump VIN: 1G2WR1217Y
Hello Group, Thanks to all that replied I couldn't of fixed this car without your help. Those that suggested the resistor were right on. What I was doing jumpering 12 volts to circuit 497 was bypassing the resistor. GM has a update kit P/N [...] that gives ...
2000 Pontiac Grand Am GT 3.4L valve train VIN: 1G2NW52E6Y
Hi Thanks to everone for your help and suggestions. Turned out to be the least likely problem for a engine with only 60k. When I got down to the cam and rotated and inspected the cam and lifters found bad cam lobe also bad roller on lifter, however needle brgs...
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