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Toyota T100 Problems

Check Engine Light With Code P0170 on Toyota T100

Problem Description and Possible Solution

Occasionally, the mass air flow sensor can go lean and set a code P0170 for fuel system lean. This in not an oxygen sensor problem. If there are no vacuum leaks, the mass air flow sensor may need to be replaced. Our technicians remind us to use a factory part because the aftermarket rebuilds are very inconsistent.

(5 people reported this problem)

Toyota T100 Vehicles With This Problem

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Average mileage: (–)
4 model years affected: 1995, 1996, 1997, 1998
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