Truck runs badly

10

Asked by Randy Jul 28, 2018 at 01:59 AM about the 1997 Ford F-150 Lariat LB

Question type: Maintenance & Repair

When cold my truck runs good , as it warms up it starts running bad and
missing in one cylinder and as I was it AC closes off . Any suggestions .

1 Answer

7,465

Id start by using an inline spark tester to see of spark grows weak in one or 2 cylinders then check to see if you have a leaking fuel injector.

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