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No spark in jeep?

I have a 1986 jeep cj 7 4.2 engine I lost spark and have replaced the following coil,ignition control module, distributor cap,wires checked all wires oh I also the coil inside the distributor was replaced Need help hope someone can help

canucksgirl5 years ago
Did you check the spark plugs???

You really should get yourself a Haynes repair manual (if you don't already have one). You might find it available at your local library. Here's a link to one from Amazon.com (they are also sold in most automotive stores). They are extremely helpful for any repairs.
+1, if you don't have spark the first place you should check is the plugs themselves.
what happens if the TDC sensor fails ?