Hesitation during driving

Asked by Hess Dec 08, 2017 at 07:48 PM about the 1985 Ford F-150 STD Standard Cab 4WD SB

Question type: Maintenance & Repair

Started last Monday on short drive stuttering.  
Runs fine in park. Can Rev it up fine. Go for a drive
and it hesitates and stutters unless I m off the
pedal.  I have changed plugs, wires, fuel filter and
pump. Doing a little better but still persist. I've also
fixed 2 vacuum leaks in process. Has a carburated
302

8 Answers
10

Jason answered 6 years ago

Have you changed fuel injectors. My Buick century did this. Changed out couple bad and went away.

Mark helpful

Hess answered 6 years ago

No injectors, but haven't checked rotor or cap. Will check them in the am.

Mark helpful

Hess answered 6 years ago

Checked cap and rotor button they are good. Found fuel leak at filter. Put a new filter on not leaking there tho it started leaking at pump fitting

Mark helpful

Hess answered 6 years ago

Well fixed the leak at pump and new filter started leaking at the seam.! That 2 defective made filters from microguard. Don't think I'll be buying any more of there stuff. Trying to seal up this leak. Still haven't figured out why it started this hesitation yet

Mark helpful

Hess answered 6 years ago

Still no luck, out of ideas. Took it to a shop a week ago. They have not had any more luck than I did.

Mark helpful

Your Answer:

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