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Is there much involved with replacing an oil pressure sensor harness on a Jeep Cherokee 2.5 Diesel?


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2006-06-07 02:21:44
2006-06-07 02:21:44

I wonder if the harness is faulty or the sensor and or gauge. First consult the wiring diagram.. I check ground on the harness first. Are there other electrical problems, possibly related to the same electrical issue? As for the pressure sensor, check for voltage, or, if you remove the wire feeding the sensor and ground it, with someone watching the gauge for movement. If you see movement at the gauge, the fault is the sensor. If no movement run a temporary line and bypass the harness. If this is successful, make plans to change that temporary title to permanent. Needless to say, harness changing is daunting and unneccesary.

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Yes and no. As long as the motor is the same, the harness should be the same.

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If it doesn't have a trailer plug, it does not have a factory trailer harness.

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Will the bell housing mate up to the new engine? The wiring harness and computer will need to be replaced. Do both engines require the same fuel pressure, if not then you will need to replace the fuel pump. And the beat goes on.

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Check your fuel pressure. No pressure means the pump is not running or defective. Check for voltage at the pump harness and pump relay. If you have voltage and fuel pressure to spec, then you have some other issue, and the fuel pump is not the problem.


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