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Prev Professional Automotive Repair Technical Discussions for February 26, 2015
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Open Help Requests for GM
Help Request Answers
2003 Chevrolet Cavalier 2.2L alternator VIN: 1G1JC52FX3
Originally came in battery light on alternator not charging had code P 06 21 and 622 replace alternator came back again 0621 alternator was over charging this time replaced with another alternator.came back yesterday P 0621,p0563,PS300,p108. When the car acts ...
2005 Chevrolet Trailblazer LS 4.2L Canister Vent Solenoid/PCM VIN: 1GNDT13S35
Vehicle came in with P0455 (large EVAP leak) and the Vent valve already replaced. Smoke tested Evap system. Found smoke coming from vent valve. Attempted to close vent valve with scan tool (Solus Pro) and was unable to activate vent valve. Disconnected valve a...
2006 Chevrolet Impala LTZ 3.9L MIL Lamp on
Hello and thanks for any help in advance. Getting a reoccurring p0171 lean bank 1 so far I have done a smoke test and found a leaking fitting that goes in the intake plenum for brake booster hose fixed that cleared code. code comes back after 2 mins. Of run ... Trouble codes: P0171, C0561
1989 Oldsmobile 98 Regency Brougham 3.8L Surge, Cuts out, Misfire VIN: 1G3CW54C0K
Hello all! We have been chasing this problem for a while: engine runs great at idle, and can gradually accelerate to any rpm while in service bay in park. However- quickly accelerate and at about 3500/4000 rpm the engine reacts as if it's hitting the rev limit...
1999 Pontiac Grand Prix SE 3.8L No Start VIN: 1G2WJ52K2X
I have no communication from the computer, I have checked my powers and grounds both on the computer and the obd2 connector everything is there. I am just making sure I haven't overlooked something. Here is what I have checked pins 16,56,57,60 for ground thes...
2000 Pontiac Grand Prix GT 3.8L Stall VIN: 1G2WP52K6Y
Ok the car was brought in after stalling on the bridge. The car stalls then starts up and runs fine usually does this every day except for me so I replaced the crank sensor with no luck. Only code it had was the O2 heater cleared and has not came back. It will... Trouble codes: P0141 (O2 sensor bank 1 sensor 2 heater circuit)

Fixes & Summaries for GM
Fix/Summary Answers
2010 Chevrolet Malibu LT 2.4L Excessive Emissions, MIL Lamp on, hard start when cold VIN: 1G1ZC5E02A
Thans to all that responded to my request.Unfortunately the customer never brought the vehicle back so I can diagnose the problem.The responses that I received were very helpful because I shared the imformation to another that had similar issue.for that I than... Trouble codes: P0172.
1997 Pontiac Firebird Formula 5.7L p0336 VIN: 2G2FV22P4V
Thanks yall, we got it, put a dist. From the dealer...
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