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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for September 1, 2019
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Open Help Requests for GM
Help Request Answers
2003 Chevrolet Silverado 1500 5.3L Poor Idle Quality, Misfire, MIL Lamp on VIN: 2GCEK19T63
This high miles Silverado came in for a random misfire, and evap issues. I found the vent solenoid was bad, would not close. the wiring tested fine so I replaced it. Looked over the basic engine data quickly and nothing jumped out at me. I did a baseline c... Trouble codes: P0300 (Engine misfire detected), P0449 (Evap vent solenoid control circuit), P0455 (Evap system large leak)
2003 GMC Sonoma SL 4.3L engine VIN: 1GTCS19X53
Hi everybody, and thank you in advance. This pick-up makes like rambling noise on acceleration kind of like the fan clutch stuck on, or something in that order, but only on the road, as soon as I let the gas pedal go it'll quiet, engine running in park doe...

Fixes & Summaries for GM
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