× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: engine speed reduces to idle only
Posted to HD/Fleet Forum on 11/17/2018

Leon,

I have the Isuzu software. The CKP sensor is on the drivers side rear of the engine and appears to be in the rear engine gear case. The trouble code says the ECM uses the CMP and CKP signals to generate and send the engine speed to the TCM. I can eithe... Login to read more.