P0128 cummins

Forgot your password? By MoparMan, p0128 cummins. This diagnostic looks at the how cold the system is at start up, what the inlet air temperature p0128 cummins, and the amount of fuel burned during that drive cycle. The PCM estimates what the coolant temperature should be.

Log in. Sign up. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. I changed the thermostat, then the temp sensor. The code comes back in about miles. I am running the AC most of the time, and the dash screen will show the temp stating between and

P0128 cummins

Log in. Sign up. Home Forums February's Cummins of the Month is now open for entries! Your true valentine! JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. Sort by Oldest first Oldest first Newest first Most reactions. The tech performed a long troubleshooting flow chart assume it printed out from the starscan and eventually determined it needed a new fan clutch. He replaced the clutch the next day and I haven't seen the code again. I had this code about a week ago on a brand new

Explore Our Forums. The PCM estimates what the coolant temperature should be. Thread Tools Show Printable Version.

Getting P code. Thread Tools. Received 21 Likes on 19 Posts. Last few days its been VERY cold. Currently and when I first start the truck I get this code. Says T-stat rationality

Forgot your password? By MoparMan. This diagnostic looks at the how cold the system is at start up, what the inlet air temperature is, and the amount of fuel burned during that drive cycle. The PCM estimates what the coolant temperature should be. If the coolant temperature is not above a calibrated threshold, the rationality fails. The PCM assumes that the thermostat is stuck open.

P0128 cummins

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Maybe that is the problem. JavaScript is disabled. I am running the AC most of the time, and the dash screen will show the temp stating between and For a better experience, please enable JavaScript in your browser before proceeding. You must log in or register to reply here. I had this code about a week ago on a brand new The service advisor paused and said "let me verify the price, I'll call you back. View Public Profile. I have the Edge chip with the monitor and I took in my truck because of P, need a turbo right. Maybe when its cold and the high idle is engaged, the temps that the ECM expects are not within its parameters.

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View Public Profile. JavaScript is disabled. Link to review Share on other sites More sharing options Find More Posts by jswar. Might have to change it as its original factory part. For a better experience, please enable JavaScript in your browser before proceeding. Find More Posts by Scotty. JavaScript is disabled. The Ram EV. Come join the discussion about reviews, drivetrain swaps, turbos, modifications, classifieds, builds, troubleshooting, maintenance, and more! By MoparMan. Click to expand