Where is iac on the 5.4l

Asked by James Jan 25, 2020 at 05:11 PM about the 1998 Ford F-250 2 Dr XLT 4WD Standard Cab LB

Question type: Maintenance & Repair

I have a code p1504 showing. Where is iac?

1 Answer

The IAC is on top of the engine to the rear. On my 2002 it is best accessed from the left as you face the engine. I think you need an 8mm socket but not sure about your year engine.

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