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Chevy/GMC 6.2L and 6.5L Discussion of Chevy and GMC Trucks with 6.2L and 6.5L Diesel Engines

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Old 02-08-2010, 09:44 PM
SteveinAz's Avatar
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Is this a cam position sensor or a engine speed sensor? (red circle) It's on a non turbo mechanical 6.5 in a p-30 chassis.
 
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Old 02-08-2010, 10:25 PM
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i know n/a 6.5s get the tach reading off the oil pump in the back of the engine opposed to trucks getting it off the alternator and since thats the back of the engine im guessing thats it. not sure though.
 
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Old 02-08-2010, 10:32 PM
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I would as well assume that it is a engine speed sens. being that it is driven off the cam like that.
 
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Old 02-08-2010, 10:37 PM
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Originally Posted by Woody35
i know n/a 6.5s get the tach reading off the oil pump in the back of the engine opposed to trucks getting it off the alternator and since thats the back of the engine im guessing thats it. not sure though.
No tach on my p-30. I'm guessing that it's needed to shift the trans as there is no computer for the engine.
 
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