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post #16 of Old 06-02-2012, 10:23 PM Thread Starter
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1998 XJ Cherokee 
Join Date: Oct 2006
Location: Calgary
Posts: 110
Originally Posted by laybackman View Post
Since you installed the timing chain set improperly the crank and cam signal are not in sync according to your factory presets in the PCM.

The crank sensor looks for movement and sends a signal to the PCM when it does detect movement. If none is 'seen' you get no spark and no fuel.

I think the cam sensor only times the firing of the plugs. So you adjusted the distributer by swinging the rotor back to make it right or you rewird the plug wires to make it right. Now it runs just fine, BUT the cam and crank sensor signals are not sync'ed. That must be why it runs just fine but the CEL is on. The fix: a 1" piece of electrical tape over the CEL...
Could be, except I took the timing set out and replaced it properly :P Black tape would work, lol, but I never like those kinds of fixes. I think I'm gonna contact Comp Cams and see what they say.

Ruffnek is offline  

cam position sensor , check engine light , crank position sensor

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