SSilverad03 Posted November 17, 2004 Report Share Posted November 17, 2004 My SSS threw a code on me about 4 days ago. The light stayed on until I took to auto zone and they scanned it. The code was a P0446 and had something to do with the Evaporative Control Module, I'm guessing this has to do with EGR. He cleared the code and has not come back after about 40 miles of driving. I was just wondering if you guys could elaborate on this. Link to comment Share on other sites More sharing options...
TurbochargedBerserker Posted November 17, 2004 Report Share Posted November 17, 2004 Make GM Truck Year 2003 Diagnostic Trouble Code (DTC) P0446 DTC Definition: EVAP Emission Control System Vent Circuit Malf I'd say if it doesn't come back on, chalk it up to an act of god. Link to comment Share on other sites More sharing options...
cokedrvrbjw Posted November 17, 2004 Report Share Posted November 17, 2004 The last vehicle i had i threw a code. I called and they said the majority of idiot lights come on because of loose gas caps or because you leave it running while filling up (thats what i did). They also said that if the lights come on its not serious...only when it constantly flashes its then serious. Link to comment Share on other sites More sharing options...
SSilverad03 Posted November 17, 2004 Author Report Share Posted November 17, 2004 I left the ignition on with the engine not running last time I refueled, would the PCM somehow think I had the motor running while refueling? Link to comment Share on other sites More sharing options...
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