truck starts but has a rough idle.
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.
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.
1990 Ford F-150
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