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How Can I Test My CPS ?


 
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TomSwift
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Joined: 24 Sep 2006
Location: Central Fla

PostPosted: Sat Oct 21, 2006 6:45 pm    Post subject: How Can I Test My CPS ? Reply with quote

I just got a FSM for my 98 XJ. The reason I got it is because I am trying to fix a problem with the engine cutting out while driving, and having difficulty starting occasionally. Apparently the problem is with the crankshaft position sensor ( I had the codes pulled and it came up a P0320 ).

I Posted about this earlier and got some good help narrowing down the reason for the driving/starting trouble. Because it costs so much to replace the CPS I want to test it before I buy a new one. The problem is I donít have a clear idea how.

The FSM doesnít include instructions for testing the CPS and points to an additional diagnostic manual. I also got the Haynes manual just for fun and it doesnít include this procedure either.

Does anyone have any tips on testing the CPS?
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Code3TJ
Hacker
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Joined: 01 Jan 2004
Location: Uzbekistan

PostPosted: Sat Oct 21, 2006 9:10 pm    Post subject: Reply with quote

The CPS is a very common problem and if that's the code you're getting, that's probably what your problem is (320 Crankshaft position sensor reference signal cannot be found while the engine is cranking. ) You can get them for about $100 from the parts store - if it isn't bad, if I were you, I'd keep it as a spare for when it does go bad. All that said, here's how to test it:






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