1997 chevy blazer s10 with 4.3l po446 ftp sensor voltage going up and down

Asked by GuruXWKM Apr 07, 2017 at 01:19 PM about the 1997 Chevrolet Blazer 2-Door RWD

Question type: General

1 Answer
221,235

Rowefast answered 7 years ago

P0446 CHEVROLET - Evaporative Emission Vent System Performance...Possible causes; Plugged vapor canister, Faulty vent solenoid, Pinched or blocked EVAP hose, Faulty FTP sensor.

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