O2 sensor stuck lean
Hi! I own a 2008 Ford V-10 that trips the check engine light at idle - bank 1 sensor 1 stuck lean. Two possible causes, vacuum leak or mass air flow sensor. I think. Anyone had the same problem? ...
Forum Discussion
02 sensor is the result of another problem. stuck lean means the sensor is trying to lean out the fuel mixture in other words its running rich, the pcm is tryint to lean out the fuel.
