O2 SENSOR

1991 Ford Truck

Tiny

napier.scott

May, 16, 2010 AT 1:08 PM

Engine Mechanical problem
1991 Ford Truck 6 cyl Four Wheel Drive Manual

can you bypass a upstream oxygen sensor? It a four wire with no cats?

FOUND 165 RELATED QUESTIONS

1 Answer

Tiny

Jacobandnickolas

October, 25, 2010 AT 7:27 AM

By law, no.

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