is there a computer on the 90 ford f150&where is it?
on 1990 Ford F-150

truck is missing and I have replaced everything but the computer and fuel injector o rings.

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3 answers
Is it rough idle?
What did you replace so far
Wow can you share your money with us, must be nice.
before going to the computer, pull the distributor and see if its cracked ( take it in the house wash it out clean and look for cracks