Question about 1991 Ford F150

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1991 F 150 EFI

I recently bought this vehicle with 146,000 miles on it. great shape, four speed manual no liquids leaking from it, no rust. breaks are good, engine excelerates smoothly. today, as i got to the dump with a trailer attached, it stalled and would not start. i repeateldy tried, and finally got it to go, and i stalled again. it would not restart. the battery charged showed under 8 amps. i then got someone to jump it, and it started right up. when i got home, the battery gauge was around 12 amps and steady. I turned the car off and it has yet to restart. the started solenoid makes a clicking sound, and the engine will not turn over. then occasionally it will. if i tap the solenoid with a screw driver, 90% of the time the next crank or two the engine will turn over with robust. But if the solenoid is bad or on its way, it still dosn't make sense to me because the engine still refuses to start. I also did pull the battery and charge it fully, and when it does turn over, i smell gas if i keep it turned over for more than 10 seconds. so it is def. (in my opinion) getting fuel,and if we remove the solenoid from this problem, why will it not start. It ran very well the first day i had it, it occasionally took a few cranks for it to start, but always did get going. please lend me some help, i need a ride bad..
thank you

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  • jcconklin113 Jan 15, 2009

    thank you very much for the quick response.....i went this evening and bought a new solenoid.....after your response, i went out with a screw driver, and the engine one time almost attempted to turn over, but did not, the other times it just sparked. so i will change it first thing in the morning, but if that fixes the possibly going bad solenoid, whats the solution for the engine not actually starting.....someone is weird, i dont think it is a hard fix, just im not too familiar with this car or these in general. thanks again for the imput.




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There are a few problems with ford in that year, first , the ignition switch. When the get worn you have to force it past the start position to make it start. Next the neutral safety switch, yours seems to work ok. And lastly,the solenoid. You can test it easilt ,but if you do this,put the truck in neutral with the break set! You can , with a screw driver, cross the two brass nuts on the solenoid and the engine will crank. If it shows the same problems then look towards the starter. Those starters have a Bendix on the top with a metal cover that looks like a hump on it, inside it has contacts that go bad or corrode without notice.

Posted on Jan 15, 2009

  • Jon B
    Jon B Jan 15, 2009

    When you fix the starter solenoid then we will address the other problems, there is a fix, I have been there with the same engine. With a few hours of work It will run like a new one!



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