i have a 88 f150 that will run but just all of a sud den die on me.if i put gass in the intake it will run but when i stop will die. i have put a fuel pum[ fuel filter and fuel pressure regulator

10

Asked by Aug 20, 2013 at 10:18 PM about the 1988 Ford F-150 XL Standard Cab 4WD SB

Question type: Maintenance & Repair

4 Answers

does it have a bajillion miles on the engine....am suspecting a worn timing chain, causing retardation of the valve action~ get a thumb on that and check the presser foot for movement...should still have a little adjustment left~

simple vacuum leak may cause this...PCV valve?

10

the motor has 170000 miles

1 out of 1 people think this is helpful.

whoa....bet that positive crankcase ventilation valve may be choked~

2 out of 2 people think this is helpful.

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