My 1993 ford f-150 will not start. I'm not getting spark. What could be the reason.

Asked by Dec 22, 2014 at 03:41 PM about the 1993 Ford F-150 XL 4WD LB

Question type: Maintenance & Repair

I've replaced ignition coil, and ignition control module, spark plugs, and distributor cap and rotor cap.

5 Answers

335

I would check the control module. Some people call it the computer it it a alum box with two sets of wire harnesses coming off it and they art well known for causing no spark

2 of 2 people found this helpful.
246,565

http://www.wikihow.com/Diagnose-a-Loss-of-Spark-in-Your-Car-Engine

1 of 1 people found this helpful.
66,505

Have you checked the Crank sensor?

2 of 2 people found this helpful.
68,585

With the ignition in the run position check for power at the ignition coil. About 8 volts DC. Have a helper crank it or use a remote starter button and check for 12 volts DC at the coil. If it starts with the starter button your ignition switch is bad. If you still have no power at the coil check for power at the ignition switch. If you have no power there then see where the ignition switch gets power from. Usually the starter solenoid. HTH. -Jim

19,330

Begin racing backward with a volt meter from the plug wires to the distributor - coil - module - etc until you get a no voltage/low voltage reading reading.

1 of 1 people found this helpful.

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