Jeep Wrangler Crankshaft Position Sensor Symptoms

Jeep Wrangler Crankshaft Position Sensor Symptoms. Possible sumptoms of obd code p0338 jeep. Electrical gremlins are a real pain in the, “you know what”, to diagnose at times.

Jeep Wrangler Crank Position Sensor Symptoms from jeepwranglerbest.blogspot.com

Crank position sensors can have intermittent thermal failure. Possible sumptoms of obd code p0338 jeep. This will leave you unable to start the car.

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Due to the location of the crankshaft position sensor, it is prone to damage. Crankshaft position sensor on the jeeps (4.0 & 2.5) reads a set of slots that is spinning on the flywheel.

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The most typical symptoms of a faulty crankshaft position sensor are that the engine fails to start in rainy weather and that the vehicle stalls or backfires. These can cause sudden stalls and even the inability to restart the engine again.

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Start by inspecting the wiring harness between the firewall and crank sensor for any obvious damage. 0339 means signal comes and goes, is always incorrect, or completely missing.

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The crank and cam sensors work in tandem to produce the ideal air/fuel ratio for your engine. If you don’t hear a rattle, the ring could have broken or missing teeth.

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I had the same issue, turned out to be the wiring harness going to the canshaft position sensor. This means that the cps/ckp fails when engine gets hot, but works again (and will test as good) when it cools back down.

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Electrical gremlins are a real pain in the, “you know what”, to diagnose at times. One of the symptoms was stalling when the engine is hot.

If The Engine Runs, It Will Run Poorly, And Get Bad Fuel Mileage.

One of the most serious crankshaft position sensor symptoms (photo source: These can cause sudden stalls and even the inability to restart the engine again. When the computer senses the engine is out of time, it will turn on the check engine light, and the engine may start and stall, or fail to start at all.

Check Engine Light Comes On.

Crankshaft position sensor on the jeeps (4.0 & 2.5) reads a set of slots that is spinning on the flywheel. Symptoms of a bad crankshaft position sensor Start by inspecting the wiring harness between the firewall and crank sensor for any obvious damage.

Discussion Starter · #1 · Mar 5, 2009.

The part is $43, labor $375. When not replaced, the vehicle could experience hard starting (or failure to start), long crank time, misfire, decreased power, spark plug fouling, catalytic converter failure, poor fuel economy or intermittent shutdown. If you think your sensor has failed, here are some common symptoms of a bad crankshaft sensor that can help you in determining whether or not it has failed.

Electrical Gremlins Are A Real Pain In The, “You Know What”, To Diagnose At Times.

This will cause the vehicle to not get a good reading from the crank sensor. Check engine light a failing or failed crankshaft position sensor may cause the check engine light on your dashboard to come on. If the sensor fails, the engine will crank but not start.

Either One Hints That Cps Needs Replacement.

I have a 92 4.0 fi yj and i have a hesitation problem. Due to the location of the crankshaft position sensor, it is prone to damage. The computer receives a malfunction code when the sensor is completely gone.