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International Automotive Technicians Network
Re: What am I missing?
Posted to Technical Discussion Forum on 9/13/2012

Do these cam sprockets still have buttons like the older GM engines? What type of reluctor does it use for the hall effect sensor?

Well, my idea is either a bad CMP or whatever the reluctor is has come apart. I'm not really too familiar with this specific GM engine to have a silver bullet for you though; I'd wind up scoping crank & cam to see what's up.

Rhett Yurgin
Yeargan's Automotive
Carrboro, North Carolina, USA