P0446 Diagnostic Trouble Code Discussion for December 2005
EVAP Vent System Performance
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| Help Request | Posted | |
| 2000 Cadillac DeVille DHS 4.6L MIL Lamp on VIN: 1G6KE57Y7Y P0446: EVAP Vent System Performance. HEY GUYS, GOT A SICK CADDI HERE, CODE PO446 I'M USING OTC SCAN EQUIPTMENT, DON'T HAVE ACCES TO A SCANNER THAT WILL RUN EVAP TEST. LOOKING AT DATA STREAM FUEL TANK PRESSURE VOLTAGE IS 1.45V KOEO GAS CAP REMOVED, BUT FUEL TANK PRESSURE READS 539.05 in H2O, ALLDA... |
December 08, 2005 | |
| 2000 Buick Century Custom 3.1L MIL Lamp on VIN: 2G4WS52JXY P0446: EVAP Emission Vent System Performance. This Buick is setting this vent code because the tank pressure is reading very strangly on my OTC scanner. I get readings varying from -58000in to - [...]! I haven't had much time to work on this yet but I did pop a new tank pressure sensor, but that made no d... |
December 12, 2005 |
