Jeep cherokee sensor testing 1987 1990 by pete jackson.
Jeep cherokee crank position sensor test.
The crankshaft position sensor on your 4 0l jeep equipped suv is a hall effect three wire crankshaft position sensor.
Other years may use similar tests.
There are a number of common symptoms of a bad crankshaft position sensor ckp that can help you determine if your sensor has failed including engine misfires rough idling stalling or hard starting.
The cool thing is that the crankshaft position ckp sensor on the 1993 1995 5 2l v8 jeep grand cherokee can be tested with a multimeter.
If the crankshaft position sensor is bad then your 5 2l jeep grand cherokee is not gonna start.
Throttle position sensor tests tps.
However these same symptoms can be caused by problems with your ignition or fuel.
1996 jeep cherokee se 2wd 4 0l crank sensor replacement xj jeep would run fine and after heating up it would stall out and not start again until it cooled.
The next step is to test the cps camshaft position sensor.
These these are based on factory service manual procedures.
These slots cause the ckps to send a pulse to the power control module ignition computer brain box indicating engine speed.
Crankshaft position sensor on the jeeps 4 0 2 5 reads a set of slots that is spinning on the flywheel.
Sensors which require a drbii or similar machine test are not in this article.
I got the jeep towed home and the first thing i did was unplug the cks crankshaft position sensor and put my voltmeter across the b and c terminals and it had infinite resistance.
If you are experiencing problems like these you might need to replace your crankshaft position sensor.
If your jeep cherokee stalls unexpectedly runs rough starts hard or doesn t start at all you may have a bad crankshaft position sensor cps.
I believe that means its not bad.
It produces an on off dc voltage signal that can be easily measured with a multimeter an oscilloscope and even an led light.