WebJun 27, 2024 · If the fan solenoid fails or there is low air pressure, the fan will stay on. Because the ECM controls it, there are various things that will make the fan stay on... 1. High coolant temperature. 2. High AC pressure. 3. Low air pressure. 4. Either one of the wires are open. 5. The hot wire is shorted to ground. 6. The solenoid is bad. 7. WebMar 25, 2024 · These will keep the engine fan on, Once those are verified to be working fine you can run a fan override test with the scanner and see if the fan kicks off when commanded. This will tell you if the fan driver in the ecm has failed. Once this fails the ecm will keep the fan on all the time by default. I hope this helps. Thank you
Fan Clutch Won
WebTitle: ISX Low Coolant Switch Diagnostics Applies To: Prostar Units with Cummins ISX Change Log Dealers: Please refer to the change log text box below for recent changes to this article: 1/11/2024- Edited article for feedback purposes. 5/9/2016 Changed step 2 to check resistance with key off. WebFeb 5, 2024 · Discover the history of the Cummins ISX engine and some common problems that plague owners at Diesel Pro Power. In this article, we talk about why the ISX Cummins has become such an integral part of the lineup and come of the issues it’s been known to have over the years. Read more about Cummins ISX engine specs & reviews at Diesel … phison ps5012-e12s-512g m.2
I have a kenworth t660 that the fan runs all the time. i… - JustAnswer
WebSep 16, 2024 · A Decrease In Acceleration, Power & Fuel Potency. A decrease in performance is yet another symptom of a faulty fan clutch. A nasty or failing fan clutch leaves the fan for good engagement, inflicting a loud engine and a decrease in performance. Lot importantly, a stuck fan clutch will cause excessive, unnecessary drag on the engine, … WebNov 15, 2024 · Engine fan kicks I have 2010 Peterbilt with a ISX Cummins. Engine fan kicks on at 162 degrees, have hooked up to Cummins Insight and dash gauge … read more Nich1019 Diesel Technician Vocational, Technical or Tra... 92 satisfied customers 2009 peterbilt 386 Cummins isx, low coolant and engine light WebSep 13, 2015 · Cummins Hydraulic fan control FAQ Mark Forums Read Mission Statement: Supporting thoughtful exchange of knowledge, values and experience among RV enthusiasts. Page 1 of 2 1 2 > This … phison ps5012-e12s-32 firmware