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Prev Professional Automotive Repair Technical Discussions for May 1, 2004
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
1995 Buick Roadmaster 5.7L Poor Idle Quality, Misfire VIN: 1G4BT52POS
Cust. complained of a surge at cruise. Car got here w/ a rough idle and what seems to be a miss more on one cylinder than any other. I ohmed all injectors and all are within spec. Fuel pressure and vacuum are good as stated in results above. Replaced fuel pres...
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1996 Buick LeSabre Custom 3.8L No Start VIN: 1G4HP52KIT
Hi group, we got a 1996 buick lesabre towed in our shop. when i turn the ignition key on absoulute sielence not cranking. I cleaned resistor pellet... no resault. My snap on scanner shows no codes. Do u guys have any idea how to approach a diagnos. Vat system ...
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1990 Cadillac DeVille 4.5L Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1G6CD533XL
This vehicle came in with the customer complaining of the engine cutting out under load.It actually hardly ran on test drive stalling after missing badly under load. Spark was good on scope but the injector pulse was erratic and then nonexistant. Code 41 lead ... Trouble codes: 41 (No reference pulses to ECM)
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1996 Chevrolet C1500 Cheyenne 5.7L No Start, Stall VIN: 2GCEC19RXT
Hey guys, I am sure one of you GM techs will have seen this before. My nephew's truck died and no start. Actually will start and run, with long crank time and will idle barely but dies at touch of throttle. Alt light is on (gauge showing no charge) and no data...
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1997 Chevrolet Blazer 4.3L cylinder heads VIN: 1GNDT13W9V
Hello guys, this is my own vehicle. I removed the lower intake manifold to replace the original leaking factory gaskets.The gaskets were leaking coolant around the coolant ports, very common. To my surprise the area around the rear coolant ports were very corr...
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2000 Chevrolet Tahoe LT 5.3L engine VIN: 1GNEK13T6Y
this tahoe has a slight vibration at idle or a little above in drive.its just like a hose or line vibration on the body.i have cked everything and narrowed it to either the engine or exhaust.i removed the drive belt and no change.anyone had this problem. thank...
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1996 Geo Metro LSi 1.3L MIL Lamp on VIN: 2C1MR5294T
Car came in with radio stolen and MIL light on. Radio harness in shambles but repairable. Could not scan data link connector due to no power to OBD II connector. Traced wire and found open behind fuse box. spliced another hot switched lead to OBDII connector a...
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Fixes & Summaries for GM
Fix/Summary Answers
1998 Chevrolet Malibu 3.1L No Start, Anti-Theft VIN: 1G1ND52M9X
Thanks to everyone who responded. The vehicle has been gone a week now with no reoccurance of the no start. It looks like we have a fix here. you all nailed the problem. The passlock sensor was indeed the problem. After removal of the instrument cluster the ...
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2000 Chevrolet Silverado 1500 5.3L Fuel Gauge VIN: 2GCEK19TOY
Hello All Thank you all for all the Great Response, it was the Fuel sending unit and as most of you suggest, at that mileage it was best to change the fuel pump card as a unit, and the sender come with it, may save a come back later i have talk it over with ...
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1996 GMC W6 FORWRD 7.1L brake lights VIN: J8DH6A121T
Thanks to all. I received 3 replies. First one stated to check the bulbs, sounds obvious but never assume. I can't tell you how many times I've seen (and done) something silly like that. Spend 3 hours chasing something before checking fuses, etc.. The second r...
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1999 Oldsmobile Aurora 4.0L Exterior Lights VIN: 1G3GR62COX
Thanks to everyone that replied. All said the same thing, the multifunction switch. 1 said to cut the gray/black wire from switch to module & if it stops, replace the switch. After finding out the switch was $391.00, i cut the wire & the problem went away. I r...
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1992 Pontiac Grand Am GT 3.3L Starting VIN: 1G2NW14N2N
I found the problem with my 1992 Pontiac Greand Am 3.3 liter and is going great with your help. Lots of power and good gas mileage. thanks to you that responsed to my aid. Almost all that response said that it was the the crank sensor. well, I went to the GM p...
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