Old Jan 5, 2023 | 01:33 PM
  #13 (permalink)  
BobG's Avatar
BobG
Joined: Nov 2009
Posts: 84
Likes: 21
From: Suburban Seattle, WA
Default Re: What causes a Crankshaft Position Sensor to fail?

Originally Posted by LagDan
A simple way to test a defective CPS that has temperature related faillure is to connect an ( Ω ) omhmeter to the CPS .When cold the Ω meter will show continuity, then, use an hair dryer and heat the boby of the CPS and at one point you will see the circuit to open . . . let it cool and the circuit will come back to life.

I was able many time to reproduce the open circuit condition when the original CPS of my XF went defective . This test will confirm the cause of the no start condition or a stall in the trafic when engine get hot egnough.

Daniel
Good diagnostic. Thanks

Originally Posted by pizzaguy
That is the most asinine stupid statement I've heard in 62 years. Pop the hood and tell me how the HELL you are going to reach the CPS from below.

That HAD to be a salesperson....
Yep, he had been on the sales side. I didn't think you could get around that shield from underneath, but it was worth asking.
 
Reply