Throttle Position Sensor??

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Hi Paula,

You didn't mention if you changed the plug wires.

You mentioned replacing the camshaft sensor. Have you checked the Crankshaft Position Sensor? Or the Mass Air Flow Sensor (may need cleaning)? Or the Throttle Position Sensor?

check the throttle position sensor

Today my 2000 Cherokee had the same problem. I swapped the Throttle Position Sensor with the one from my 96 Cherokee and the RPM's dropped considerably, but did not return it to normal. As a desperate last option, needing the vehicle in the morning to go to work, I resorted to using a can of SEAFOAM, not expecting much, but low and behold the engine purrs like a kitten after the treatment. I poured about a third of the can on the throttle and into the body and let it sit for a few minutes. I started the engine (it will smoke very bad for a minute or so) and sprayed some more SEAFOAM in the throttle body while revving the engine. I don't believe in miracle cures from a bottle, but this was incredible and I had to share the experience, as it may be the answer to your problem. Rather than spending money replacing parts, especially electric ones that can't be returned, it is definitely worth a try.

P0123 is a TPS/Pedal Position Sensor A Circuit High Input code. P0162is an 02 Sensor Circuit Malfunctoin (Bank 2 Sensor 3) problem.

Maybe the Throttle Position Sensor (TPS) if the computer thinks it is all the way to the floor then the gears would not shift until the engine RPM is real high. Also would not be able to determine the car is supposed to be idling. Do you have a check engine light? If you do this may come up on a scanner.

The exact placement of the throttle position sensor generally is located on the side of the throttle body below the air intake tube on top of the engine.

To replace simply remove the air intake duct (usually one plastic screw), locate the sensor, disconnect wire plug in, remove the two sensor mounting screws (torx screw variety, size not remembered) and the sensor will come off. When replacing be sure to line up the throttle shaft with the proper groove inside the sensor...it should just slip in there pretty easily with a little bit of wiggling. Reinstall doing the reverse of the above.

Take's about 5 - 10 min to replace from start to finish and remember to clean the throttle body before starting this job to ensure no dirt will enter the engine. Good luck, Merry Xmass

you have to use an OBD2 scanner to erase the check engine light

1282 IS THE FUEL PUMP RELAY OR CONTROL CIRCUIT 0122 IS THE THROTTLE POSITION SENSOR

THIS SOUNDS LIKE THE THROTTLE POSITON SENSOR, MINE WAS BAD AND THE CHECK ENGINE LIGHT TURNED ON, AND AT TIMES THE LIGHT WOULD TURN OFF. I TOOK IT TO AUTOZONE AND THEY CHECKED IT FOR FREE WITH THE COMPUTER. NOW IF AFTER IT DOES ACCELERATE BUT HAS TROUBLE SHIFTING ITS PROBABLY YOUR TRANSMISSION