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Prev Professional Automotive Repair Technical Discussions for August 15, 2008
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Open Help Requests for GM
Help Request Answers
1994 Cadillac Seville STS 4.6L Hesitation, Cuts out, Stall VIN: 1G6KY5295R
only when engine cold temp below 100f instrument display will read engine overheating or engine coolant hot with engine running.coolant temp on display reads under 100f.engine starts to run rough then stalls, restarts right way.after engine is warm no problems... Trouble codes: P0073
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1997 Chevrolet Lumina 3.1L Hesitation, Stall VIN: 2G1WL52M2V
I have a customer bringing in this 97 chev truck next week, I want to see if I can get a few ideas about what may be causing this problem. The engine cuts out when turning left only, and if you try to accelerate it will die. I am thinking something in the comp...
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2000 Chevrolet Venture Warner Bros. 3.4L Misfire VIN: 1GNDX13E4Y
Thanks in advance for all your assistance. Vehical came in with surge at 50mhp and check engine light on. found crank sensor code po336, egr flow po403, and egr sensor a po405. found crank sensor signal irratic, replaced. found egr connector destroyed, repaire...
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2001 Chevrolet Silverado 3500 6.6L Mechanical
The customer compaint on this vehicle is that the brake pedal will go all the way to the floor. With the engine off, the pedal is rock hard and high. Engine running, it will go all the way to the floor and it is very soft. I have checked the brake hoses, and ...
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2003 Chevrolet Silverado 3500 6.0L charge indicator VIN: 1GCJK34U53
Hey Gents. Thanks in advance. Cust states intermittent illumination of batt light and displays alternator not charging. No indication of low voltage displayed on the IPC. I am unable to determine what a good value of the L and F terminals are supposed to be. I...
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2000 GMC Savana 3500 6.5L Hesitation, MIL Lamp on VIN: 1DDHG31F2Y
Got the monster with a P0237 - Turbo charger boost sensor 1 Ckt low. Boost pressure shows one psi both at Idle and on accellaration. Replace boost sensor, no change. any help woluld be greatly appreciated. thanks Mirza Trouble codes: P0237
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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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1991 Oldsmobile Cutlass Ciera SL 3.3L No Start, Poor Idle Quality, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1G3AM54N4M
hello fellow techs, this car was towed in, car started when brought in, check engine light blinks on with the temp light and runs bad when lights are on, lights go out engine runs bad, also rad. fan will go on and off when key is on position, no codes thanks..
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1997 Oldsmobile 88 Royale 3.8L Driveability VIN: 1G3HN52KXV
Vehicle was towed in with a stalling\no power complaint. We tested the fuel pump and replaced it. Vehilce ran good after. Vehicle came back with same complaint and customer stated that when happening, the power windows don't work. We tested battery, starter, a...
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2001 Oldsmobile Aurora 4.0L Cuts out VIN: 1G3GS64C41
The customer complaint is intermittent stalling-bucking. When we first got the vehicle it drove very poorly, bucking stalling all sorts of other intermittent problems the customer didn't notice, and 15 stored codes. We found the main battery connection at the... Trouble codes: P0386, B (Crankshaft Position Sensor B performance)
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2004 Pontiac Grand Am GT 3.4L daytime running lights VIN: 1G2NW52E5Y
so far I have replaced every related componet with a known good one including the BCM I can use a tech 2 and comand the day time running lights on and they work fine, also i can ground the drl control wire at the BCM and they work but when I turn the key to ru...
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Fixes & Summaries for GM
Fix/Summary Answers
1997 Cadillac DeVille 4.6L MIL Lamp on
Well, this is the first time I have used this forum and I thank all of you that responded. As it turned out we had no pcm grounds at pcm clear connector pins 17 and 60. We found a ground wire at cylinder head disconnected. After 38 years experiance wrenching i...
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1998 Chevrolet C1500 Cheyenne 5.7L Starting VIN: 1GTEC19RXW
thank's very much!! to every body who reply ,the problem was the security system . we have good spark,good fuel pressure but the injectors does'n work.
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2000 Chevrolet Express 3500 5.7L security VIN: 1GCHG39ROY
Thanks for the replies and help. Turns out to be a poor connection at the ECM-1 fuse. The female teminal was opened a bit and make an intermitten loss of power. Bent the terminal in the fuse box back so it mates well and no symptoms yet. Thanks again.
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2005 Chevrolet Colorado Sport 2.8L blower motor resistor VIN: 1GCCS14824
i want to thank everyone who replied, i had a feeling the blower motor was bad but wanted to see if anyone else had seen this before. we replaced motor and resistor and ran on all speeds for a couple of hours on and off and no problem now. again thanks to all ...
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1999 Oldsmobile Silhouette GL 3.4L no compression VIN: 1GCDLHPOEG
thank's for the help!. Well i did fix it, but, i dont know if it's the right way?, any ways i did everithing i could with, diferent lifters, rocker's, valves, springs ,valve seats', push rod's and i still had little or no compression, so i was lucky enough to ...
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