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Question

got a 2015 mack tractor keep getting code for p001676 

replaced both crank and cam sensors  benn thru wiring 

pulled engine checked gear train in back of engine replace idler gear set lash to spec 

made sure the flywheel dowol was in place  after reassembly   engine runs great but same code  the only code keeps coming back 

any body got anything else to try ?

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The cam gear sensor sometimes needs shims on it to get it set right , there is a tool to measure if or how many shims are needed. Also did you the cam gear timing tool with the little rod / pointer that goes in the hole in the block ? It’s easy to get a tooth off without the tool . https://www.freedomracing.com/j-44514-b-engine-timing-kit.html?___store=default&gclid=Cj0KCQjw06OTBhC_ARIsAAU1yOVcfK5KSfGydFWvQMI0R_gYML4GjYXgKC3CxHeBBHVSP3olEk9UnRYaAgcTEALw_wcB

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