To view the questions and answers online, please use the FAQ below.Yes, all Cummins engines are certified to the 2013 United States Environmental Protection Agency (EPA) and Air Resource Board (ARB) regulations.Plus, the longevity and performance of Cummins engines routinely translate to much higher resale value than comparable gas-powered RVs.With engines rated from 275 hp to more than 600 hp, Cummins offers power and reliability for every type of motorhome on the market.Will accept answer but have more questions here are the normal pressure readings Pressure meets minimum specifications: Rpm 200: 12 k Pa [2 psi]Rpm 700: 138 k Pa [20 psi]Rpm 1300: 379 k Pa [55 psi]Rpm 2200: 827 k Pa [120 psi] Have you performed a click test to verify PCV is working ? I always like that way better but you would need special plug and adapter to hook in. As i said try a test ecm and make sure the ecm is up to date with the calibration.
I am checking pressure at the accumulator from the gear pump on the pump housing what should it be at running is 180 cranking jumps 70_90. In some cases you will need to hook up to the j1939 plug on the engine harness behind the fuel filter to get in the ecm. As when they get hot they get DUMB and don't allow the engine to start until cool.(the ecm).Has 180 psi at comcheck will running 70_90 will cranking when running hose to mechanical gauge pulses hard.Fault code 329 already replaced icv and transiet suppressor have insite trying to get it to talk to new holland tractor Hello and welcome to Just Answer! Normally when the suppressor goes bad it takes out the ICV and ECM. When the suppressor back feeds to these two components and damages them.Cummins engines are designed to provide the highest levels of performance, durability and dependability at the lowest total cost of operation.We want you to be as comfortable and confident with Cummins world-class technology as we are, so we've collected the most frequently asked questions about Cummins Heavy-Duty and Mid Range products, the Cummins Aftertreatment System, diesel exhaust fluid, and environmental and regulatory issues.