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Prev Professional Automotive Repair Technical Discussions for September 3, 2013
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Open Help Requests for GM
Help Request Answers
2005 Buick Allure CX 3.8L Poor Idle Quality
Vehicle intermittently still has very low idle, code p0335 returned and additional code p1133 for o2 sensor which was never there before. Cannot reproduce low idle in the shop or driving it, any suggestions would be appreciated. Trouble codes: P0335, 01133 (o2 sensor code)
1992 Cadillac Brougham 5.0L Chime Module VIN: 1G6DW54E0N
Car came in shop. Cust states the chime module will go off by itself. Test car and yes at times it will either slow chime or middle chime or both. May do it once or all day and drain battery. Using the system check table & system diagnosis table and the test i...
2003 Chevrolet S10 4.3L Excessive Emissions, Poor Idle Quality, Cuts out, Stall, Misfire, Poor Fuel Economy VIN: 1GCDT19X63
whats up gear heads i just changed the lower intake gaskets and had to replace the lower manifold because of pitting in the water port where the gasket makes the seal. i had to remove and reues the spyder injector(the new style with 6 injectors) when i had rea... Trouble codes: P0122, P0200, P0300
2006 Chevrolet Tahoe Z71 5.3L ecm VIN: 1GNEK13T06
06 Tahoe cel on codes p0172,p0175 bank one and two too rich found ect,iat and map sensor readings drop out intermittently and randomly. wiggle test on harness had no effect all three components are separate circuits to ecm. im leaning to a faulty ecm. anyone h...
2004 Hummer H2 6.0L powersteering VIN: 5GRGN23U54
Hello I have this 2004 Hummer that came in with power steering noise. Fluid was dirty . We flushed the system and all was good .Then a month later it came in with no assist . We replaced the pump and it was good for about three weeks .Then we replaced the pump...
2000 Saturn LS2 3.0L Poor Idle Quality VIN: 1G8JW52R1Y
We have a new customer that itermittently runs rough at idle and throws code p1510. No diagnostic flow chart to speak of in alldata. Have checked basics, cleaned t-body and did ecm reset and t-body relearn. It runs great until it warms up then it shuts down. W... Trouble codes: P1510

Fixes & Summaries for GM
Fix/Summary Answers
1997 Chevrolet S10 4.3L alternator and cluster
Thanks for all the help. It turned out that the owner at one time had wired in some under vehicle lighting and for some reason tapped into the wiring down aways from the front axle solenoid. He removed the fixtures but left the wiring. The bad tape job near th...
2005 Chevrolet Cobalt 2.2L steering VIN: 1G1AJ52F65
Thanks to all who replied.I just could not shake the feeling that it was the tires.It had the signature. I followed up on several of the comments, re re axles and checked for binding-none. Trans = 4t45e -has the stub shaft,some play but could not fault. Don't...
2011 Chevrolet Silverado 3500 HD LT 6.6L MIL Lamp on VIN: 1GC5K0C85B
Thanks to everyone that took the time to help. I found that the level sensor was bad and needed to be replaced. It was on back order but was able to get the tank assembly that included the level sensor. Checked everything out again but it still set a DEF Quali...
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