I have replaced the crank position sensor, alternator, ignition coil, distributor cap and rotor button on my '93 jeep wrangler 2.5 and still can't get a plug to fire. It doesn't have an ignition control module, only the powertrain control module. It is flashing a ground fault code in the A/C fan clutch relay, but I do not have an A/C unit or any spot for a relay to the A/C and am not sure if it is picking up a bad ground or what. I recently removed the tub and undercoated the frame, and upon re-assembly, I can't get it to start.
Probaly try first a quick and easy fix is make sure all ur chassis gounds are clean grounds no paint you would be surprised how much resistance that will cause and also make sure all ur chassis grounds are hooked up right
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Several things can cause this problem, cracked distributor cap, old ignition rotor. Or if you have coil packs, cracked coil pack, ignition control module, crank position sensor, cam position sensor. Coil pack parts and sensors can be checked by autozone, cap and rotor will have corrosion on the rotor, however a small crack in the distributor cap can be next to impossible to see, replacement is usually best option.
Try checking your cam sensor and crank sensor. You can test them with a voltage meter. Many times, the sensors will go before anything else. It may be your distributor itself. Test it as well. If you have a question, please let me know. I am here to help. Thanks for using FixYa. Have a good evening.
Take the distributor cap have someone crank the car and look if rotor turns, look at rotor conditions, I am sure that you have replaced it, hot wire from positive on the battery to positive on the coil, if car starts after you have a problem on the key, Is it fuel getting to the injectors? after You replaced so many things,if your rotor is not turning when You crank the engine, your timing chain must be defective or timing gear,