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| F Series Forum covers questions and discussions regarding Ford F-150, Ford F-250, Ford F-350, Ford F-450, Ford F-550, Ford F-650, and Ford F-750. |
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#1
09-08-2006, 01:53 PM
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1991 Ford Lariat F150
I have a 1991 ford f150 with a 302 EFI, when i start it of the mornings it idols up and down about every 1 to 2 seconds until i tap the gas then it stops, once i'm moving on the highway and hold it at a steady speed it feels like it has a mist or cutting out unless i accelerate. i just had a complete tune-up put on it and the computer was checked and everything came back clean ????
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#2
12-03-2006, 04:18 AM
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Re: 1991 Ford Lariat F150
Sounds like the ignition module. It regulates the fuel until it is warmed up like a choke would do on an older vehicle. It also regulates the spark. Or it is the heat sensor.
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Thank you very much, Dave
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#3
12-03-2006, 03:08 PM
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Re: 1991 Ford Lariat F150
I would put a bottle of a name brand fuel injector cleaner or Sea Foam in a full tank of gas, if you haven't already tried that. Problems like this can sometimes be very hard to find the solution to.
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