Hi Richard,
The cam sensor will not keep the engine from starting, their will be no codes set for a failed crankshaft sensor which will keep the engine from starting,
No codes are set for this sensor because the computer thinks the engine is simply not turning, ie. Stalled, out of gas etc.
You can sometimes use a voltmeter set on mila-volts to see if voltage is generated when the engine is being cranked over, it should be a three wire connector, test all combinations.
Let me know how it goes,
Best, Ken
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Wednesday, January 16th, 2019 AT 5:39 PM