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Prev Professional Automotive Repair Technical Discussions for January 19, 2014
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Open Help Requests for GM
Help Request Answers
2001 Chevrolet Impala 3.4L Hesitation, Cuts out, Stall, MIL Lamp on VIN: 2G1WF52EX1
Hi all, I could use your help on another one. Please reference the codes listed above. Customer requested that we do the minimum to get this car to run properly. After taking a look at the codes I decided that that would be the best diagnostic strategy too. I ... Trouble codes: P1133 (Ho2s insufficient switching sensor 1), P0134 (Ho2s insufficient activity sensor 1), P1635 (5 volt reference circuit 1), P0140 (Ho2s insufficient activity sensor 2), P1404 (Egr closed position performance)
1990 Oldsmobile Cutlass Ciera 3.3L fuel pump fuse VIN: 2G3AL54N7L
car was towed in found blown fuse for fuel pump. Checked all associated wiring including oil pressure switch. Have unplugged oil pressure switch ;bypassed all wiring from relay to pump. fuse would blow instantly when key was turned on .suspected short under da...

Fixes & Summaries for GM
Fix/Summary Answers
2006 Chevrolet Impala LT 3.5L MIL Lamp on VIN: 2G1WT55K86
Thanks to all for you help. Unfortunately, I have not been able to get the customer to return for further diagnosis. My plan should the customer return is two fold. The first thing that I wanted to check was to see if the fuel tank pressure sensor is accurate.... Trouble codes: P0449 (Evaporative emission vent solenoid control circuit), P0455 (Evaporative emissions large leak).
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