Engine Stuttering
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Engine Stuttering
1988 F-150,351 engine four wheel drive. My question is at highway speed my engine starts to stutter and the check engine light flashes. The truck is not under a load at the time it happens and it only happens at highway speed.changed the plugs and cap and wires about 4 months ago and was running fine until yesterday. I know I have to change the fuel filter yet but was wondering if there is anything else that could cause this problem.
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Originally posted by acerockola77
A good place to start is to pull the codes if the check engine light is on and that will give you a good idea of what you need to look at. You can do it yourself with a paperclip, pen and paper this way. Or you can run it down to autozone and they'll do it for free.
A good place to start is to pull the codes if the check engine light is on and that will give you a good idea of what you need to look at. You can do it yourself with a paperclip, pen and paper this way. Or you can run it down to autozone and they'll do it for free.
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From: Nova Scotia, Canada
Changed all but the PCV valve so far. I'm thinking it might be a fuel pressure issue, found a kinked fuel line exiting my high pressure pump. 92 octane fixed the pinging problem as usual.
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From: Rural,Wooded,Mountains
Engine Stutter
To Fishmaker, with the engine stutter problem. Try replacing the Oxygen sensor. My 95 351 experienced the same problem. And the check engine light would come on & off. Replaced the O2 sensor, and everthing was fine after that.
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