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Prev Professional Automotive Repair Technical Discussions for July 30, 2011
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
1991 Buick LeSabre Custom 3.8L Mechanical VIN: 1G4HP54C9M
hey everyone, got this buick my son bought only problem the obd is broken and my plug will not connect, has check engine light on and fustrates me someone broke the connector, anyhow it runs a very high idle bout 1300 rpm, checked for vacuum leaks and theres n...
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1987 Cadillac Eldorado 4.1L Electronic VIN: 1G6EL1186H
Hi GM Cadillac Techs, I have one that eating my lunch badly. Car came in blower stays blowing in defrost all time, nothing works on controller,on A/C controller shows Month, date, time & Defrost sign but you CAN'T CONTROL any buttons at all. Even when you firs...
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Fixes & Summaries for GM
Fix/Summary Answers
2005 Chevrolet Equinox LS 3.4L compressor VIN: 2CNDL73F55
cust declined replacing comp variable valve in rear of comp was failure. scroll comp must have common problems...suction pressures at 70 psi at best low side...High side at 300 psi.. recharged system 2 times with no effect on pressures...Replace comp as need...
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2000 Pontiac Grand Am SE 2.4L Poor Idle Quality VIN: 1G2NF52T9Y
Thank you for the replies there were some ideas to consider such as a vacuum leak at a single runner or egr leak. After testing fuel pressure leakdown & swapping map sensor the car still was acting up for 1 day. Since then it has been running great for 4 days.... Trouble codes: P0172.
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