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Prev Professional Automotive Repair Technical Discussions for April 26, 2013
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Open Help Requests for GM
Help Request Answers
2001 Chevrolet S10 4.3L Misfire VIN: 1GCDT19W81
The truck came into my shop about a month ago missing really bad.After checking the codes I found P0300.I replaced the plugs-wires & crank sensor.When I took the distributor cap off to give it a look I found that it was full of brass shavings so I replaced the... Trouble codes: P0300 (Multiple cyl misfire)
2008 Chevrolet Colorado LT 2.9L Hesitation, Cuts out VIN: 1GCCS19988
This porblem is very intermittant - once every so often, when it happens the vehicle loses throttle response. They have to turn the key off and back on, then everything is working again but the check engine light stays on due to the code. I have not been able ... Trouble codes: P2135 (throttle position sensor 1-2 correlation)
2007 Hummer H3 3.7L Wipers VIN: 5GTDN13E07
When starting wipers go on for a couple of wipes. replaced wiper motor and still does it. Inspected connections at BCM and wiper motor. Tested ok. Wondering if BCM had any problems causing this
2004 Oldsmobile Alero GL 2.2L Engine VIN: 1G3NL52F54
Hello all, I need some help here I have this car that sometimes will not start , then if you hold the pedal to the floor it will start but very sluggish , fuel pressure is good , the problem I think is that it is getting too much fuel and not enough air, whe...

Fixes & Summaries for GM
Fix/Summary Answers
2002 Buick Park Avenue 3.8L oil press.indicator VIN: 1G4CW54K32
First off,thanks to the 15 members who took the time to reply to this request. The vehicle is fixed. The almost unanimous conclusion was that it was a defective oil pressure sensor. So rather than spending a bunch of time trying to trace down the electronics o...
2008 GMC Sierra 2500 HD SLE 6.0L Fuel tank won't fill
Alot of great information here guys thanks. I did check the charcoal canister for being plugged,and it is not at all, and I did swap the vent valve with another known good part from a different truck in our fleet. My next step is to swap fuel tanks with the sa... Trouble codes: P0446 (EVAP control vent circuit).
1992 Saturn SL2 1.9L No Start VIN: 1G8ZK5477N
We replaced the crank sensor and next day the vehicle would not start and found the ignition module to be bad thanks guys for all the replies. Trouble codes: 26 (Egr).
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