motor missing

Asked by 10toes Feb 12, 2009 at 05:38 PM about the 1986 Ford F-250

Question type: Maintenance & Repair

the motor will start missing . almost act's like vapor lock . this model is not suppose to . it has fuel injection .efi electric fuel injection

1 Answer
105

Greg answered 15 years ago

what's the fuel pressure while it's acting up? Are all the vacuum lines intact? The vacuum reservoir intact? How's the MAP sensor? Is the exhaust extremely rusty? ie does the O2 sensor have a good ground?

Mark helpful

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