1991 Ford Truck O2 sensor

Tiny
NAPIER.SCOTT
  • MEMBER
  • 1991 FORD TRUCK
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?
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Sunday, May 16th, 2010 AT 1:08 PM

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Tiny
JACOBANDNICKOLAS
  • EXPERT
By law, no.
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Monday, October 25th, 2010 AT 7:27 AM

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