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Prev Professional Automotive Repair Technical Discussions for October 23, 2004
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Open Help Requests for GM
Help Request Answers
1998 Buick LeSabre Custom 3.8L Misfire VIN: 1G4HP52K7W
Hello everyone and thanks in advance for any help. I have a 98 LeSabre with cylinders 3 & 4 misfiring like crazy. No other cylinder is affected. Replace spark plugs, plug wires, ignition module, pcm, had injectors rebuilt, replaced ignition coils, map sensor, ... Trouble codes: P0300 (Random Misfire)
1988 Chevrolet C1500 Cheyenne 5.7L Stall VIN: 1GCDC14K2J
vehicle brought in for intermittant stalling when turning at slow speeds or backing up. distributor was replaced at another repair shop. funny thing happens...sometimes idle will increase while in gear, if you go to neutral idle will be around 2000 rpms. somet...
1995 Chevrolet Lumina 3.1L Stall VIN: 2G1WL52M5S
Thanks in advance for any help, vehicle will start then stall imediatly or up to 10 seconds after starting. Has 94 junk yard engine not sure if its ever ran since installed Will run if spray carb cleaner in engine,never loses fuel pressure or spark.all data lo...
1995 Chevrolet Monte Carlo Z34 3.4L lifters VIN: 2G1WX12X65
Had removed rear head to replace oil pump drive o-ring. After reassembly, a lifter on that head takes forever to pump-up. We tore cam cradle back down & replace two lifters that were solid - not spoungy. Now the noise isn't as bad. Must drive about 7-8 miles f...
1997 Oldsmobile Silhouette 3.4L fuel guage VIN: 1GMPUO6FSV
perform fuel guage inpo test disconnected gray body connector behind d/s seat used instrument panel tester (j33431-b) connected to no.3d purple wire and 3b black/white wire turned key on set resistance dial to 0 ohms fuel guage read empty and then set resistan...

Fixes & Summaries for GM
Fix/Summary Answers
1989 Chevrolet wcm31rq 454CID OverheatingEshaust m VIN: 1GBKP37W0J
I want to thank all of you for helping me on this motor home.Some of the suggestions were to check timing, make sure the carb was not running lean,check diverter valves and check valves. We did all of that and more. So I am going to agree with Sam [...] who sai...
1991 Chevrolet LLV Grumman 2.5L Stall VIN: 1GBCS10A0M
First I want to thank all the people who replied to my post. I had about 15 replies in all. Most said to replace the transmission, which I did(it was leaking from the center seal anyway), that did not solve the problem. I found vacuum leaks electrical connecti...
1991 Chevrolet C1500 Cheyenne 5.7L Stall VIN: 2GCEC19K6M
The customer could not afford repairs at this time so I have not repaired the vehicle. But based on replies and further inspection it is obvious the problem lies with the distributor shaft. The trigger wheel is damaged. Thanks all for the help!!
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