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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for January 9, 2005
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Open Help Requests for GM
Help Request Answers
2002 Chevrolet Tahoe LS 5.3L Hesitation, Surge, Cuts out VIN: 1GNEK13Z42
Dealer put in 3 fuel pumps, Tahoe will start, idle and run fine till acceleration. Fuel pressure gauge shows on acceleration down to 10&less lbs until you back out, then pressure goes up to spec and runs fine. Press the gas and bam, consistent drops to 10lbs. ...

Fixes & Summaries for GM
Fix/Summary Answers
1989 Cadillac Eldorado 4.5L Surge VIN: 1GEL1155KU
First of all Thanks to all of you guys that replied(12) After a new ISC and tps..and all the adjustments made, we still had a high idle...a few of you guys said the 4.5 can have problems with a worn out distributor. So..we had a used one here...put it in..Car ... Trouble codes: 26 (Shorted Throttle Switch), 30 (Idle Speed Control).
1997 Chevrolet K1500 5.7L No Start, MIL Lamp on
Thanks for all replies. The problem turned out to be the ignition coil. Pretty simple, but I still have the engine light on with the P1345. It doesn't seem to be effecting driveability so my buddy isn't going to worry about it right now. Trouble codes: P1345 (CKP/CMP correlation).
2001 Chevrolet Blazer LS 4.3L Accessories VIN: 1GNDT13W61
Well we replaced the ignition switch a second time and it seems to have helped. Thanks to everyone who helped out.
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