P0446 Diagnostic Trouble Code Discussion for May 2004
EVAP Vent System Performance
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| Help Request | Posted | |
| 1999 Buick LeSabre Custom 3.8L MIL Lamp on VIN: 1G4HP52K1X P0446: EVAP Emission Vent System Performance. this car would go nuts when we first got it. on the test drive it would buck, surge, trailerhitch, fishbite, chuggle, and everything else -- consistantly intermittant. We scoped the maf, and had good power, and ground. the signal output or frequency output was... |
May 03, 2004 |
