No Spark to Ignition coil

Asked by Feb 12, 2007 at 11:08 PM about the 1977 Ford F-150

Question type: Maintenance & Repair

There is no spark to the igntion coil

6 Answers

16,565

Hello, Here is an excellent diagnostic for your "no spark" problem. http://forum.doityourself.com/showthread.php?p=1123956. If that doesn't help, try this link. It's for a 1986, but the step-by-step may still be pertinent. http://autorepair.about.com/library/faqs/bl846g.htm Best of luck! CarGrrl

22 out of 22 people think this is helpful.
30

i could think of two things wrong one the old scool ignision module could be bad or the distributor could be bad to.

2 out of 2 people think this is helpful.

you probley have a bad pick up modgule in dist.black box about 2 to 3 inches long remove 2 small screws and unplug reinstall new one should start.is located under dist. cap.

5 out of 5 people think this is helpful.

this truck is equipped with a tfi ignition module which is a common problem,but inside the distributor is a hall-effect sensor that provides the trigger signal and basic timing info to the ign. module and the pcm.they are difficult to test separately.consider replacing both, or take a chance and replace ignition moduule first and try it First, make sure that the coil has key-on power, and make sure power and grounds are ok fords are real funny aboutr that

5 out of 5 people think this is helpful.
210

i have a 1990 f150 2wd with a 302. i lost all spark to the motor. i went to ford to c wat it could be they told me like 7 different things that could be rong

21 out of 21 people think this is helpful.
21,825

Yes, many things can contribute to an ignition failure. A distributor stator, a module, key power from the ign switch, power to the coil, a bad coil, broken wires, worn distributor bushings causing the vanes to crash into the stator - there's a method to diagnosing a concern. You could throw money at it and get lucky though.

3 out of 3 people think this is helpful.

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