WHAT IS THE MOST LIKELY CAUSE OF A DTC 41?

Tiny
ANONYMOUS
  • 1988 FORD TAURUS
  • 89,000 MILES

WHAT IS THE MOST LIKELY CAUSE OF A DTC 41?

Monday, February 4th, 2013 AT 12:40 AM

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Tiny
CARADIODOC
  • EXPERT
  • 26,026 POSTS

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.

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Monday, February 4th, 2013 AT 2:16 AM

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