85 Jeep Cherokee will crank but won't fire. Replaced coil, distributor cap, rotor, and ignition module with no success. Engine has fuel. Module has power coming in. Any suggestions?

Ign module could be the problem do you have spark when cranking. If you have spark can you hear the fuel pump running while cranking. Let me know

dont just replace parts and hope--u must target the area--a data stream run w factory gear is really helpful--a code reader is usually not enough-----the module u took out is connected to ignition----inspect coil-plug wires--ignition module--distributer cap may be worn inside--look for any loose wiring in engine area----may need a fuel pressure test--regulator and pump cud be worn---basic spark and fuel hardware are the weakest links

with distributer cap off have someone crank engine and see if your rotor is turning if not repair distributer or replace.

are you getting FUEL ? are you sure ? you might need to replace both the air& fuel filters !!!!!!!!!!!!!!!! fuel pump may be bad !

1. The ignition system on your 5.0L uses a distributor type system and will include the following components:
   1. Ignition control module (ICM). Depending on the year of your specific Ford, it'll have a inner-fender mounted ignition control module or a distributor mounted ignition control module. hot sure which you have.
   2. Ignition coil. you replaced it.
   3. PIP (Profile Ignition Pickup) sensor. This is Ford's name for the crank sensor and is mounted inside the distributor. The most common name for this component is the pick up coil.
   4. Distributor cap and rotor. you replaced
   5. Spark plug wires. you replaced.
2. The thing to keep in mind about the ignition system is that all engine cylinders must get spark and the one thing that will stop the ignition system from creating spark on a wholesale scale is a BAD crank sensor.Have you pulled a plug then using some insulated pliers grounded it to the vehicle and turned it over to see if you have spark, that'll tell you alot.takes two people of course.Best of luck and hope this helps.

it's highly unlikely, there are only two things that can make this happen, not getting fuel (fuel pump failure, fuel pump regulator) or not getting ignition (bad coils, ignition module failure, bad distributor, distributor cap, rotor)

you said you repl dist cap that means you don't have a crank sensor you have electronic ing module. remove your elec ing module have it tested most auto parts stores could test your module, or check your coil at the neg terminal. should have power. if not you lost your primary volt from your batt.your secondary power is coming from your electronic ing module from the module to the pos terminal on the coil, when the eng cranks,from the coil to the dist cap , from the dist cap center to the rotor then out to the plugs,this all happen pervided the timing belt or timing chain is ok. the cumbustion chainber needs 3 things , thats fuel, air, and spark.

Replace the ignition module,make sure the rotor button is turning,remove the cap,and turn over the engine,if the rotor button is not turning,then,the timing chain is broke.

Here are a couple of things that could be causing your problem. 1. Bad ignition coil or ignition module 2. Clogged fuel filter 3. Clogged air filter 4. Clogged fuel injectors 5. Bad spark plugs, wires, distributor cap and /or rotor. 6. Broken timing chain/belt. Here are a few things you can try to verify that you have a good spark. 1. Remove the distributor cap and crank the car. If the rotor turned you're ok. If it doesn't turn then that's you're problem and you will probably need to change a timing belt/chain. 2. Check the spark from the ignition coil by pulling the coil wire from the center of the distributor. Use an alligator clip to attach a short wire to the coil wire contact. Bare the other end of this short wire and set it up so it's sitting very close to the engine block. Turn off the lights and try to start the car. You should see a spark jump from this wire to the block. If you don't see a spark it's likely your ignition module or ignition coil is bad. 3. If you have a spark maybe it's not getting to the plugs. You may need to replace the distributor cap and rotor. You can test if the plugs are sparking by pulling one, re-attaching the spark plug wire and seeing if you get a spark when you try to start the engine in the dark. Please note, the metal threads of the spark plug need to be shorted to the engine block to complete the circuit during this test.

I had the same problem with my 85 cj7 this week, I relpaced the ignition control module, plugs, wires, cap, rotor and the the coil; still had no fire to plugs. the problem turned out to be my distributor, replaced it today and she fired right up. Most likely it was the pick up module in the distributor that went bad.