P1131 code on a 1997 Ford F150 with a 4.6L? Is this most likely just the o2 sensor or?

Question

P1131 code on a 1997 Ford F150 with a 4.6 l motor? Is this most likely just the o2 sensor or?

Answer 1

Hi there,

The most common cause would be the sensor itself, but make sure there are no intake manifold leaks or any problems with the exhaust system.