Question about 1991 Ford F250
How do I get the trouble codes without a scanner?
I heard there is a way to "jump a circuit" to make the check engine light
flash the codes. How do I do that?
Unless you know the nuts and bolts of your truck, you are better off taking it to a garage, go through the yellow pages and get prices, I charge $20 to get the codes and turn off the light, others may charge more depending on the equipment they have.
I don't suggest jumping at the data link, if you are wrong your ecu is now toast, and that will cost you a lot more than a scanner hook up
What year is your truck, the pre-OBDII ford do not have the capability of storing a lot of the codes nor will they show live data that well.
What are the symptoms you are having?
Posted on Mar 23, 2009
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Posted on Jan 02, 2017
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