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Professional Automotive Repair Technical Discussions for August 19, 2008 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2001 Chevrolet Monte Carlo SS 3.8L suspension VIN: 2G1WX15K81 Good morning to all.I have this 01 monte carlo ss that when making tight turns (like a parking lot type turn) there is a loud snapping type noise.The wheel must be turned either all the way or just about all the way.Noise happens aprox. 1/2 way thru a 180 turn... |
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| 2002 Chevrolet Corvette 5.7L MIL Lamp on VIN: 1G1YY32G32 I got this Corvette with the MIL on with codes P0410 & P1415 for the AIR system. The first thing I did was check the function of the AIR pump & vacuum solenoid control valve with the Tech2. Both work fine. Removed the hose at the pump to test output of the pum... Trouble codes: P0410, P1415 |
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| 2005 Chevrolet Silverado 1500 LS 5.3L Misfire VIN: 2GCEK13T25 i had this truck brought in by a used car dealer,check engine lt flashing, running terrible,missfire #1#2#8 cyl's. #2 had cracked sparkplug,replaced and ok. #1 changed plug, wire,coil switched and injector changed, still miss at idel mainly.compression 125lbs.... |
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| 1999 GMC K1500 Suburban SLE 5.7L Door Lock Actuator VIN: 1GKFK16R3X Would certainly appreciate any help I could receive on this problem. The locks on the vehicle will not fully lock or unlock. You can hear the locks making the familiar click sound, but they only move about 1/16 of an inch at the most. All door lock actuators w... |
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| 1999 GMC K2500 Sierra SL 7.4L Hesitation, Surge, Cuts out, Misfire Engine cuts out and stumbles intermittently under load. road test with data shows ft enable dropping to no periodically, especially when stumble occurs. I know i need to replace fuel pump, but that is not the intermitent. Anyone know what "ft enable" means. Al... |
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| 2003 GMC Yukon XL 1500 SLT 5.3L MIL Lamp on VIN: 1GKEC16T53 tps1 signal .81 volts tps2 .71 volts ref voltage problem on tps2 4.28v tps1 refv 4.91 checked power and grounds all good if i unplug actuator ref voltage 5.01 on both ref if i swap ref voltage wires 1 and 2 pins or cut wires and swap both are 4.83 is problem i... Trouble codes: P2135 |
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| 2003 GMC Yukon XL 1500 Denali 6.0L Stall VIN: 1GKFK66U83 We have a wierd problem here, this truck cranks up and runs fine in park or neutral, but as soon as it is put in gear the truck dies immedietly, every time. Scaned computer and it has no codes. This is a drive by wire throttle body and I have asked other techs... |
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| 1996 Pontiac Grand Prix SE 3.1L lifter VIN: 1G2WJ52M2T I have this vehicle that came in today not getting any oil to the lifters has 30 psi oil pressue we did and intake job on it back on the 7 of aug and it was very quit when it left was told that yesterday when they started vehicle it started to make noise and w... |
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| 2001 Saturn SL1 1.9L MIL Lamp on VIN: 1G8ZH52855 car come in po410 air systems code. test and found pcm not turning on ground to the relay.i could induce ground at pcm connector and make system operate. replace pcm oem part, and had saturn reflash. and now a wk later its back. same code.. my genesus would no... Trouble codes: P0410 |
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| 2002 Saturn SL1 1.9L engine VIN: 1G8ZH52832 Well this Saturn came in for a Oil Change and Oil Leak,so i brought it in and found the coolant tank full of oil... Before i tear the head off of this car I just wanted to see if anyone has run into this and maybe found that it was a cracked head or block, I t... |
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| 2003 Saturn L300 3.0L No Start VIN: 1G8JW54R73 Hello all. This 2003 saturn came to as a no run. cranked over no start. ck on scanner had a po301 and a randum miss fire for codes. had a rpm signal. we ck for fuel psi none. ck for power to pump and ground was ok. with power probe powered up fuel pump and Bea... Trouble codes: P0489, P0638, P0560, P2101, P0700 |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1996 Chevrolet Tahoe LS 5.7L Poor Idle Quality, Cuts out VIN: 1GNEK13R6T hello fellow techs.i am closing this due to that i have repaired the problem.i got some very good info on pump pressures and such.i couldnt find a vehicle deterrent on this one.alldata didnt list it either till 1998.i took the air intake assembly off to rechec... |
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| 1998 Chevrolet S10 LS 4.3L instrument cluster VIN: 1GCCS19X5W THANK YOU ALEX! pit3777 hit the nail on the head. Wire broken in harness from 4wd fuse to vcm C4 pin 13. Appears vcm stays in start mode and not run without this feed (doesn't know ignition switch position). Limits serial data. OTC doesn't support ignition clu... |
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| 2000 Chevrolet Impala 3.4L Cuts out, Misfire VIN: 2G1WF55E5Y well its been a week since i logged on here. this is to all that helped me with this car..thanks for all your help. the car had weak valve springs.the vacuum gauge comfurmed it. needl jumping around, gos to show me that THE BASICS STILL APPLY. thanks alll.. Trouble codes: P0300. |
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| 2001 Chevrolet Silverado 3500 6.6L Mechanical Thanks to all who responded. Most said that the condition is normal and I tend to agree. The only problem is we (the vehicle owner and I) checked 4 other trucks and they were all different. Most would go 1 to 2 inches from the floor, but none would go compl... |
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| 2005 Chevrolet Silverado 2500 HD 6.0L odometer VIN: 1GCHK23U65 Hello again and thanks for the replies . You all said the same thing. I gave my neighbor a copy of all the replies and he is going to the dealer. I did not want to clear the trip B miles he is going to let the dealer do that. His concern was maybe there was mo... |
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| 1994 GMC C1500 Suburban 5.7L Hesitation, rich on start up VIN: 1GKEC164KR Well I had some reallygreat posts to my problem. I do not know what is wrong with this vehicle yet. The customer is will to workwith me one some tests I want to continue to do and if I have a absolute repair I will post it. Just to go over what all was done we... |
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| 1997 GMC K1500 Sierra SL 5.7L No Start, Stall VIN: 2GTEK19R7V This crazy thing is fixed. It ended up being the fuel pump and sending unit. The wiring at the connector inside the sending unit was melted. The wierd thing is the pump was drawing 9.5 amps and had a perfect wave form right up to the time it quit. Thanks to al... |
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| 2000 GMC Savana 2500 5.0L 2-3 shift VIN: 1GNDG24MTY I would like to thank everyone that offered help. Alex was right, we did have a bad pcm. We still had the old pcm, which by this time had dried out. I threw it back in and the vehicle was stable enough to drive and voila no 2-3 shift solenoid code. The owner b... |
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