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If you are looking for the coolant temp sensor for the Rinex fuel injection system it is on the drivers side just behind the motor mount. if you disconnect and remove the air box with a flashlight you can see it and if there is a plug there you need to remove it and get the sensor and install it. will correct injector firing issues and timing.

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Q: 89 Jeep Cherokee Im trying to find the location of the coolant temperature sensor NOT the temperature sending unit or the temperature switch 4.0 engine?
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Where is the temperature sending unit on a 96 grand Cherokee?

The temp sensor is generally screwed into the thermostat housing. Not sure what the issue is you are having, but with my 01 Grand Cherokee I had a cooling fan relay fail. Basically the fan wasnt working, tested it using jumpers and it worked fine. Learned through online that the relay is located behind the front bumper. Basically you remove the passenger side headlight and use a hole saw and drill a hole in the top of the bumper. The relay is right there. Also, the drilled hole is invisible once you re install the headlight. Hope this helps.


How do you replace jeep Cherokee sending unit?

It's a 30 dollar part. The unit should be located near the filter. Unplug/Unscrew the old one and insert new and plug in.


What would cause a fuel gauge to stop working on a jeep grand Cherokee 1999?

Bad sending unit in tank.


What is the Plug or sensor above oil filter on 96 Cherokee?

The plug or sensor above the oil filter on a 1996 Cherokee is the oil pressure sending unit. This sensor controls the oil pressure gauge.


How do you purge a 1999 Jeep Cherokee Limited cooling system?

to purge the air out of the 4.0 L motor, start with a full cooling system, a cold motor, and the jeep parked with the nose pointed down hill. The idea is to have the front top of the valve cover lower than the rear bottom of the valve cover. If you have not met all three conditions, STOP serious injury or failure can occur locate the coolant temperature sending unit, at the back of the motor, driver's side disconnect the sensor using a deep socket, loosen the sensor and monitor the escaping air and coolant until it is only coolant tighten the sensor, connect the leads, and start the motor, checking for leaks repeat twice more

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