What is your question?
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What is your question?
have replaced the fill cap gasket, checked all hoses, ok, how to test other monitors?? test canister purge valve, tank vent solenoid. Canister is clear (I blew it out with air for 1 hour), slight odor of fuel. Evap system not ready, Service engine light on code PO440, clear code, re lights after about a week. What next? Bob Reingold Reingold1@aol.com
2 Replies
Fuel problems since I bought new 2001 pontiac , grand am gt. RECALLS?
What does a "oxygen sensor heater" not ready mean? The print out said that that the sensor passed?
The heater circuit and the sensor functionality tests are two different tests the test for the heater has not gone through yet