WILL A BAD O2 SENOR CAUSE A VEHICLE TO DIE AT STOPS OR WHILE IDLING?

1991 Ford F-150

Tiny

moofar

January, 18, 2012 AT 2:08 AM

I have a 1991 Ford F150. It started dying on me when I would stop at lights or for turns. After a couple of weeks of this the engine light came on and I had it tested and was told the O2 senor was making engine light come on. Would the O2 senor cause the problem I was having?

FOUND 3464 RELATED QUESTIONS

6 Answers

Tiny

homer1967

January, 18, 2012 AT 2:55 AM

The 02's could cause a stalling problem. But I could be of a lot more help to you if you post the code or codes and engine size. Then I could give you a much better reply.

Tiny

moofar

January, 19, 2012 AT 1:03 AM

I was told the code was 41 and it is a 5.0 engine.

Tiny

homer1967

January, 19, 2012 AT 1:56 AM

Code 41 is basicaly a " blanket code" it is a fuel control code and could signify a rich on lean condition, depending on whether you scan it koer, or koeo, which just mean key on engine off or key on engine running. It could be caused by an o2, or the map sensor or the fuel pressure regulator, ect. Your best bet would be to have it diagnose at a competent shop. It cost to much to guess at it.

Tiny

moofar

January, 21, 2012 AT 3:31 AM

Thank you so much for the information.

Tiny

homer1967

January, 21, 2012 AT 11:17 PM

You are welcome.

Tiny

moofar

February, 22, 2012 AT 4:38 AM

I replaced the O2 sensor, fuel pressure regulator, and the MAP sensor but it is still dying on me when I come to a stop or at a very low rate of speed. Please help.

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