Asked by Jun 08, 2019 at 01:49 PM about the 1988 Ford F-150

Question type: Maintenance & Repair

I have a 88 F150 idles rough
runs rough replace map sensor
timing chain EGR nothing

2 Answers


things need to be tested not replaced , what do the plugs look like ? wires ?, coil ? IAC valve and port ? Somebody pee in your gas tank ? look for motor to chassis ground

1 people found this helpful.

Second on the test before replace. You might even have bad cats. Are you showing any sort of check engine lights?

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