WHAT IS THE MOST LIKELY CAUSE OF A DTC 41?
Feb 3, 2013 at 4:40 PM
1988 Ford Taurus Most Likely Cause Dtc 41
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41 oxygen sensor circuit indicates system always lean
Check for vacuum leaks, low fuel pressure, a leak in the exhaust system ahead of the oxygen sensor, restricted injector due to varnish buildup, and a leak in the fresh air tube between the mass air flow sensor and throttle body.
Check for vacuum leaks, low fuel pressure, a leak in the exhaust system ahead of the oxygen sensor, restricted injector due to varnish buildup, and a leak in the fresh air tube between the mass air flow sensor and throttle body.
Feb 3, 2013 at 6:16 PM
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