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Prev Professional Automotive Repair Technical Discussions for September 16, 2006
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
1985 Chevrolet El Camino 5.0L Differential VIN: 3GCCW80H4F
Hello every one. I have a vibration that starts at about 70 mph, and vibrats more, and more consistantly as the mph increases. It will vibrate on the rack with the wheels off the ground. The wheel and tires have been balanced, and replace with other tires from...
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1997 Chevrolet Blazer 4.3L Misfire, MIL Lamp on VIN: 1GNDT13W4V
This truck came into us for and overheat problem. We checked it out and the lower intake gaskets were leaking and the radiator was plugged up. We replaced both the lower intake gaskets and the rad. When the truck left it ran a little rough at idle. The custome... Trouble codes: P0306 (Cylinder number 6 misfire)
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1997 Chevrolet Astro 4.3L Poor Idle Quality, MIL Lamp on VIN: 1GNDM19W1V
WELL GUYS HERE IS THE PROBLEM. THIS VAN CAME IN WITH THE COMPLAINT THAT THE IDLE WAS TOO HIGH AND CAUSING THE TRANSMISSION TO BANG INTO GEAR & THE SES LIGHT WAS ON. WE ONLY HAD ONE CODE AT THE TIME WHICH WAS FOR A FAULTY PCM. WE INSTALLED A NEW PCM, REPROGRAME... Trouble codes: P0560, P0748, P1121 (tp sensor ckt intermittent high voltage)
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1997 Chevrolet Malibu 2.4L Stall VIN: 1G1ND52T6V
This Malibu will stall after warming up on decel every time.The strange part is that the analog tach in the instrument panel is showing the rpm's about 250 less than what my Tech 2 is showing on the data screen.The tach appears to be right as far as actual rpm... Trouble codes: 507 (idle high)
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2000 Chevrolet Express 1500 LS 5.7L converter VIN: 1GNFG15R2Y
We rebuilt trans due to converter going down and throwing metal through the whole trans, replaced the pump and converter and now the converter locks up 100% in first through fourth even though the pcm is not commanding it too. Come to a stop the engine almost ...
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2000 Saturn SL 1.9L Surge VIN: 1G8ZF5287Y
Hi Guys. I have used IATN for a number of tough repairs, Have always found something in the archives to help. This one has us scratching our heads. Customer complains of intermittent stumble, usually at highway speeds. Noticed upon decel, or upon accel after d...
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Fixes & Summaries for GM
Fix/Summary Answers
1998 Oldsmobile Aurora 4.0L LCM Module VIN: 1G3GR62C4W
Hey everyone, sorry to get back so late but was just able to get the vehicle back from customer. EVERYONE was right...learn something new everyday. The combination switch had shorted internally via tiny metal flakes permeated in the grease. Much thanx to all. ...
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1997 Saturn SL 1.9L MIL Lamp on VIN: 1G8ZF5282V
Hi All Thanks for the 5 replies. All hit the nail on the head. Removed egr valve, it was full of carbon cleaned it up re installed it, test drove with a drive cycle and problem is gone. THANK YOU Trouble codes: 1404 (manufacture specific).
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