also have installed new battery, but to no avail wont start, i was told by a mobile mechanic that it may be the crankshaft sensor, he said if faulty it will stop spark and turn fuel pump off ...is thi

Asked by Jun 14, 2014 at 08:25 PM about the Jeep Grand Cherokee

Question type: Maintenance & Repair

3 Answers

109,915

Check engine light on? If so have codes read and post them back on here. That will give us clues as to what's going on with it.

1 out of 1 people think this is helpful.

yes check engine light is on , have tried the code reading but nothing happens

109,915

The codes will give you clues where to start looking. Without them you are just guessing and will have to do trial and error. Crankshaft sensor might be a good guess. So it's turning over fine but won't start? If so have you checked the plug wires for spark? Or the fuel rail for proper fuel pressure? What psi was it? --- or is it just not turning over at all? If so This would not have anything to do with a crankshaft sensor.

1 out of 1 people think this is helpful.

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