When does the fault code 559 come on?

When does the fault code 559 come on?

Fault Code 559 sets when the engine is running and measured rail fuel pressure remains at least 250 bar [3625 psi] less than commanded pressure. Once detected, Fault Code 559 will remain active until the engine is turned OFF or until the measured rail fuel pressure matches the commanded rail fuel pressure.

What does code 559 mean on an ECM?

The ECM has detected that fuel pressure is lower than commanded pressure. Possibly hard to start or low power. Engine could possibly not start. Fault Code 559 sets when the engine is running and measured rail fuel pressure remains at least 250 bar [3625 psi] less than commanded pressure.

When does the 559 low fuel pressure alarm activate?

Ive been trying to solve the 559 low fuel pressure alarm for some time now with no results. Right now it only activates when power is put to plane and when WOT. Here a list of things done with no sucess in order: 1)Replaced racor. (Issue improved but still present)

How many horsepower does a Cummins ISX 600 have?

I’ve got a Cummins ISX 600 hp in a 2013 389. I was pulling doubles outta a Fedex station. It was heavy, with a 180 degree onramp to a upgrade. All was well until the engine boost went from the normal 39 psi to 23. My first reaction was that I was running outta fuel, but I still had 150 gals. on board.

When to return engine aftertreatment system Peterbilt?

When you do, please be sure to return it when you are finished using it. That way it will be there when you need it the next time or when you pass the vehicle on to the next user. NOTE After you’ve read this manual, it should be stored in the cab for convenient ref- erence and remain with this truck when sold.

Where is the 559 code on a Cummins Engine?

555 and 556 is for the breather filter on the side of the engine. There should be a large plastic looking box at the front left corner of the engine. There is a crankcase filter in there that is overdue for changing. I don’t see a 559 code in my list, but if you have low fuel rail pressure changing fuel filters is the first thing to do.

Fault Code 559 sets when the engine is running and measured rail fuel pressure remains at least 100 Bar [1450 psi] less than commanded pressure. Once detected, Fault Code 559 will remain active until the engine is turned off or until the measured rail fuel pressure matches the commanded rail fuel pressure.

What does code 559 mean on injector metering rail?

Code 559 i believe injector metering rail 1 pressure-Data Below normal operating range-moderatly severe level what does Code 559 i believe injector metering rail 1 pressure-Data Below normal operating range-moderatly severe level what does – Answered by a verified Technician We use cookies to give you the best possible experience on our website.

What’s the code for a fuel water separator?

The new pump is at 55. The old filter, which was the one the truck came with (approx 30,000 miles on it) was covered in slime in between the pleats. I just had to change it again this week as the fuel was low in the glass.

What is the ISX 2350 engine code 559?

Codes 559, 555, I have an ISX 2350 that cranks, no start. Codes 559, 555, and 4691. I had just put injector sleeve retainers in this engine, changed the fuel filters … read more Vocational, Technical or Tra… Have 2018 cascadia with cummins isx15. Giving code 157-18 Have 2018 cascadia with cummins isx15.