truck starts but has a rough idle.

Asked by Aug 31, 2013 at 08:53 AM about the 1990 Ford F-150 S LB

Question type: Maintenance & Repair

1990 ford f-150, did a tune up changed plugs, wires, cap and rotor. did not help, tried to check the computer but would not read any codes. could the computer be bad.

2 Answers

232,755

Clean the throttle body and IAC?

1 out of 1 people think this is helpful.
Best Answer

Thank you for your help, I will try that.

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