P0446 Diagnostic Trouble Code Discussion for January 2007
EVAP Vent System Performance
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| Help Request | Posted | |
| 2002 Chevrolet Venture LS 3.4L Surge VIN: 1GNDUO3E32 P0446: EVAP Vent System Performance. Hi guys, I've got one here thats kicking my butt. Customer brought vehicle in stating that it failed emmission testing. The first thing I noticed is that someone has removed the check engine light bulb. Vehicle has slight surge at idle. Scanned for codes (see ... |
January 15, 2007 | |
| 2002 Chevrolet Silverado 1500 5.3L MIL Lamp on VIN: 2GCEC19T22 P0446: EVAP Vent System Performance. thanks in advance for everyones help. this code is intermittant, when following the flow chart provided by alldata, it asks you to perform gm service bay test to vehicle first. i found under special tests in our genysis, what appears to be the same test,(is th... |
January 24, 2007 |
