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frank, Chevrolet Technician
Category: Chevy
Satisfied Customers: 3420
Experience:  33 years experience,24 years of Chevroler/GM experience and training .ASE Recertified Master Tech,
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1997 chevy tahoe: 1997 Chev Tahoe code crankshaft position/camshaft

Resolved Question:

1997 Chev Tahoe code crankshaft position/camshaft position sensor correlation   and theengine runs ruff
Submitted: 9 years ago.
Category: Chevy
Expert:  frank replied 9 years ago.
The crankshaft sets the ignition timing-there is a cam shaft sensor in the distributor that sets injector pulses up into the proper sequence.You need a scanner- a cam offset of 45 degrees means that the sensor is not working-its a simple 3 wire,power ground and return circuit thru a hall effect switch.If the distributor is turned it will show cam offset at less then 45 degrees and you will have to rotate or reindex the distributor in the proper postion-it will not detect miss fire with the cam sensor code.With #1 cylinder at TDC and the crank mark aligned-the rotor will point to the triangle with the #8 on it-the triangle is on the area of the distributor base where the cap mounts to.
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