Crank Angle Sensor
For an XJ, is the CAS the same thing as a CPS? If not, what is the difference?
I last replaced the CAS in 2008 which was 12-13 years into my ownership of the car from new. Lets say 12. It is now 2020. This is 12 years since the previous replacement. I always carry a spare Mopar version.
What signs should I look for that this current CAS is on the way out? I know with the JK that there is a "hesitancy" in acceleration. I am starting to sense hesitancy or a gap in the engine noise when accelerating up hill or the car is at idle. It is a clunking sound when going up small hills and the auto shifts up to the next gear, unless I floor it and it holds gear. I don't think any gearing is gone or there is solenoid trouble.
However, in my last CAS failure, the car just stalled either at the traffic lights (while stationary), or when it finally gave up, while rolling. I managed to restart when it stopped at the lights and drive it home. But when it failed near Sydney airport (Giovani Brunetti bridge) in the middle of two blind merging southbound lanes, I must have had several heart attacks that morning. A truck and several cars narrowly missed totaling my car at high speed.
Is the current description of the engine noise gap (very brief and barely noticeable), a sign of imminent CAS failure? It sounds like this is what could happen in a JK from the descriptions I have read in that forum. My previous CAS failure was just a series of engine stalls, but the car was much quieter back then.
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