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Jeep Grand Cherokee

1994 jeep grand Cherokee no spark new crankshaft sensor coil?

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2011-09-12 14:03:15
2011-09-12 14:03:15

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)

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Check the crankshaft sensor. If the sensor on the Grand Voyager is bad then there wont be any spark.

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Yes it can. The crankshaft position sensor is one of the major sensors for spark timing.

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On 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. . check you icu (ingnition control unit) hope it helps

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spark to ign through the computer

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The only function of the crankshaft position sensor is to tell you you have a miss fire ( a spark plug did not fire))

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the crankshaft pos sensor controls the relay switches which operate the fuel pump and the electricity supply to the coil causing no spark to reach the distributor YES

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The spark plug gap for the 1994 Jeep Grand Cherokee 5.2L (318CID V8 is .035".

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if your crank position sensor is bad you car or truck will not start because you will not have spark

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No, not and keep all your equipment the same. The crank sensor determines spark and fuel injector timing along with the cam sensor.

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The crank sensor (real name is crankshaft position sensor) senses when a notch on the crankshaft goes by and sends a pulse to the car's computer. This tells the computer where the crankshaft is in it's rotation so that the computer will fire the spark plug and injectors at the correct time.

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It is used by the PCM to determines fuel and spark timing

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In older cars that used a distributor, the distributor shaft was connected to the camshaft. The camshaft was connected to the crankshaft. So as they all turned, the spark would fire in direct correlation to the crankshaft. Once they eliminated the distributor, the computer needed a way to determine when to fire the spark. So they place a sensor near the end of the crankshaft and it reports the crankshaft position to the computer. So the computer can know when to fire the spark for each cylinder.

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Dirty spark plugs can occur on any make, model, or year. Changing the spark plugs should be done for maintenance, such as when you do a tune up.

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Several things can cause no spark. A bad coil pack, bad crankshaft sensor and camshaft sensor are good places to start.

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They are under the coils.where are the coils?

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My clio wouldn't spark the other day. Turned out to be the crankshaft sensor. Apparently a common fault on clios.

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there is two main things that will cause an elantra to have no spark the ignition coil pack or the crankshaft sensor

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that is the crankshaft sensor, it tells what position the crank is in to tell the computer when to fire injectors and spark.

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Check the coil,crankshaft sensor & ignition system. You said you're not getting spark so address that issue first. Depending on engine size they are known for cracked coils & crankshaft sensors.

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A faulty crank sensor would cause no spark and no fuel.

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Check the distributor. That is the most likely cause, or the crankshaft sensor.


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