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Originally Posted by 534BC
Can you guys elaborate on here the cam senor is and how it works?
Also where are you geting the -8 from?
How does a scanner know the cam is offset? What inputs is it using? Thanks for helping me to understand. I'd like to check mine because sounds very much like what I'm experiencing.
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On that on the cam sensor is in the dist.
The - 0r + setting on the cam retard is the dist position.
Or the position that the rotor is in when the dist fires.
It centers the rotor to fire dead on with the dist cap plug wire prong/terminial.
The dist needs turned to set or change the cam retard setting.
If it is off the rotor fires before or after going by the dist cap terminial.
That is where it gets the - or +
Dead on it shows a 0 setting.
If before or after it shows - or + or before or after.
It should be as close as -2 or +2 or the pcm will set a code on it.
But 0 or dead on is better.
The scanner gets the reading from the crankshaft and the dist camshaft sensors.
They have to be timed together to get a perfect 0 reading on it.
Hard to explain but hope this helps.
MT