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Prev Professional Automotive Repair Technical Discussions for June 9, 2014
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Open Help Requests for GM
Help Request Answers
2003 Cadillac DeVille DHS 4.6L milage VIN: 1G6KE54Y43
customer returned after the weekend with check engine light back on and no other complaints again. found codes p0741, p0410. these are two very popular codes for this vehicle but what is strange is on the freeze frame data the milage reading is higher than the...
2003 Cadillac CTS 3.2L valve lifters VIN: 1G6DM57N13
First time customer, vehicle presented with complaint of poor idle quality, rattling noise from right cylinder head area consistent with faulty valve lifters. Engine oil is full and clean. Customer stated he had taken the vehicle on a 3 hour road trip at highw...
2007 Cadillac SRX 4.6L MIL Lamp on VIN: 1GYEE63AX7
Hi thankyou for any help provided i have a 2007 cadillac srx that has p0171 and 0174 codes. Long term adaptives are in the high teens short term hanging around 8 to 10. I replaced the common boot about 3 months ago the vehicle runs fine . One thing i noticed w... Trouble codes: P0171 (Bank 1 lean), P0174 (Bank 2 lean)
2000 Chevrolet Express 3500 5.7L MIL Lamp on VIN: 1GCHG35R1Y
Van came in with a P0300 and P0307 With a scanner i get a Cly 7 missfire count along with some numbers on Cly 4. The counts will go up at 1000 RPM and above to around 2000 rpm The van runs smooth, Compression test is 150 on cly 7 along with Cly 5 being 150, In... Trouble codes: P0300 (Random missfire), P0307 (Cly 7 missfire)

Fixes & Summaries for GM
Fix/Summary Answers
2003 Buick Century Custom 3.1L starter VIN: 2G4WS52J03
I want to thank every one for your replies, very helpful.A real learning experience for me. The problem was one of the contacts in the switch was pulled out of place and did't make contact with the key.`Should have replaced that part of the switch but I like t...
2004 Buick LeSabre Limited 3.8L ride control VIN: 1GHHR54K44
First I replaced both rear air shocks.than I removed the shield that covers the pump.I found a vacuum hose was no good.This hose connected to a vac tee with two other hoses one I believe was a vent the other came from each side of the pump. I replaced all 3 h...
1994 Chevrolet G30 Sportvan 5.7L Steering VIN: 1GBGG39K9R
We have ordered rear air bags to cut down on the swaying in the back of the vehicle & when we get it in we will also check the steering stabilizer, maybe also check the caster again. I will post at a later date to let everyone know how things go, thanks for al...
2005 Chevrolet Trailblazer LT 4.2L door locks, power windows, no start, radio rear wi VIN: 1GNES16M85
Thanks for all the great replies. We removed the rear fuse box and found it corroded. Replace fuse box hoping that's all it was. Still had nothing. Replaced BCM and had a mobile service program to vehicle. It started right up and all is fine. Although I see mo...
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