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1994 jeep Cherokee 4.0 l crank but not start has no spark even in the coil?
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∙ 12y ago
Yes, well it is a coil, but they call it something different. you can find it under the destributor cap, it will be right under it. it looks like a black round like disk with a wire coming off it. that is what mine was when it did that. so try that out, it is a 20 min job. 2 screws. Good Luck...Jeep mamaits called a pickup coil i replaced it alreadyand the crank shaft sensor,and plugs,wires,cap,rotor and the coil is good just no spark from distributor...posted by spiked2u(original postor of question)
Wiki User
∙ 12y ago
Wiki User
∙ 12y agoFrom about 90 and later when they when to the ecm, The crank position sensor creates the ground for the fuel injection and the coil through the ecm. I might add that if you creck for voltage at the coil + you'll get 12 volts only for the first two second prime until the shut down relay comes on. It will stay of until the ecm gets the pulse from the cps. Hope this helps
Wiki User
∙ 13y agoOn these Jeeps with the 4.0L Inline 6, the Crankshaft Position Sensor is usually At Fault when there is a no start/no spark condition. Try checking the resistance of the sensor, and check the adjustment of the sensor.
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check you icu (ingnition control unit) hope it helps
Wiki User
∙ 14y agoI had the same problem with mine, you should check your fuel pressure. My pump went out and I replaced it and it ran fine. I also had this problem....i learned after 400 dollars worth of useless repairs that it was the crank angle/posititon sensor on the top part of the transmission. they have a tendancy to ground out on your exaust and fry out. so check that wiring harness first. the sensor is a magnetic pickup and the sensor useually does not go out, the wiring harness does. it costs 79-83 bucks depending on where you shop. Good luck.
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∙ 16y agoCheck for bad crankshaft position sensor, empty fuel tank, or faulty fuel pump. Check in that order, please.
Wiki User
∙ 15y agoCheck the Crankshaft position sensor
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