C-15 Acert Low Oil Pressure.

i would say the guage is bad but i wouldnt run it until you find out for sure. a guage is alot cheaper to replace than an engine!

 

if is columbia. Oil pressure gauge is the electrinic immitation of gauge, really dashboard use J1939 data, so really oil pressure sensor is on engine. your engine ECM has protection program and if pressure is really low engine stalls.

so I sugest internal dashboard issues related with corrosion ore dust it gauge stepper motor. Unfortunaly it is soldered in dashbourd and you cant swap it easily like with century class

 

I've had the same issue on 3 or 4 of my C-13 Acerts. The issue on my trucks was the oil pressure sensor on the engine. These engines are in Peterbilt 386s but it sounds like the same issue. It was not throwing any codes on the dash. It usually happens when it's below 20 degrees outside.

 

I've had the same issue on 3 or 4 of my C-13 Acerts. The issue on my trucks was the oil pressure sensor on the engine. These engines are in Peterbilt 386s but it sounds like the same issue. It was not throwing any codes on the dash. It usually happens when it's below 20 degrees outside. The sensor is a pain, at least on the EPA 07 Acert, it's right behind the fuel filter... PITA!

Sorry for the double post, must have hit the button twice.

 

BTW. What oil do you use? mineral ore syntetic?