stumped with p0440 and p0441 plus 2 codes?
Professional
Joined: Oct 2010
Posts: 147
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From: North Dallas area
Did you find something and fix it to get rid of the other codes?
I think (?) low voltage on the O2 sensor means lean, so the engine controller is throwing a higher ratio of gas to try and correct it. Have you checked TB, plugs, etc?
I think (?) low voltage on the O2 sensor means lean, so the engine controller is throwing a higher ratio of gas to try and correct it. Have you checked TB, plugs, etc?
Last edited by broncoremy; Feb 24, 2012 at 03:30 PM. Reason: spelling
