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Originally Posted by andrewwynn
I was confused. CPS is cam position sensor. CKP is crank position.
Yep when that fails you can't start because the car will have no idea when to fire the spark or I suppose fuel.
Definitely measure and gap/shim. They are stupidly sensitive. They can detect how much the rotation slows between power strokes with enough detail to know when a cylinder didn't put out the power expected of it so they are extremely sensitive to the bumps on the reluctor. That tech amazes me
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That is amazing. I assumed they simply allowed the DME to count rpm. CKP…good info. Sounds like there are different types too? Something called a Hall sensor, and an older tech?
I put two new cam sensors in the new motor, but reused the old Crank sensor for some reason.