What are the characteristics of a bad O2 sensor in a 91 thunderbird SC?

Asked by Oct 03, 2014 at 04:59 PM about the 1991 Ford Thunderbird SC

Question type: Maintenance & Repair

ALL OF A SUDDEN ACTED AS IF IT
WERE OUT OF GAS OR THE FUEL
PUMP/FILTER WAS BAD.

2 Answers

257,935

Bad O2 sensor you would get an idle issue or bad MPG. Check your ignition components, like plugs and wires first, then fuel pressure.

5,545

Since you already reference the fuel system I would check your gas milage. If it is bad, you probably have a drop in milage.

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