How to check if camshaft positionsensoris bad

The mechanical problems can relate to the condition of the teeth on the reluctor ring. If a tooth is missing, it changes the signal. If the ring has shifted position on the crankshaft, the signal will not correspond with the camshaft position sensor. The other mechanical issue could be the fault of the timing chain. If the chain has stretched, the signals will not match and the engine management system will set a code.

Great links from Alldata.  Even bad fuel can cause an issue like this, syphoning fuel can be a pain. Compare resistance values of the old and new CPS sensors.

Will a cam sensor cause a misfireat idle

Will a cam sensor cause a misfirereddit

Check the crank sensor wiring, look for isolation damaged and pinching, if you have the Micropod 2 you can see real time data and that will help you. Do you have any more codes stored on the ECM? Are you using the copper OEM like spark plugs?

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A failed crankshaft position sensor or code indicating that the signal does not correlate with the other engine position sensors, can be both mechanical and electrical.