What does the p0645 do on a Cummins truck?
What does the p0645 do on a Cummins truck?
The P0645 is for the a/c clutch relay. You probably either don’t have a/c or it works intermittent? This would also set if you pulled the relay out with the key on. Your truck has a Chrysler JTEC powertrain control module (pcm) that communicates with the rest of the truck, it runs the a/c, trans, cruise, and charging.
Where does the engine run off the Cummins controller?
The engine runs off the Cummins controller (ecm) on the side of the block. It can only communicate with the pcm. The P1693 sets in the pcm when there is a code in the ecm.
Is it safe to use ether on a diesel truck?
In any case, Ether is still NEVER recommended to be used on a diesel for any reason. Silicon spray lubricant works just as good and is safer for these motors.
What kind of Cummins engine does a Dodge Ram use?
The 6.7L Cummins engine is also made available later in this generation that is still used in today’s 4th gen and 5th gen Ram Diesel trucks. A full list of 3rd Gen Cummins Specs and detailed information about what makes this Dodge Cummins generation different than the others is found below.
What are the nozzles on a 3rd generation Cummins?
Injectors on trucks built before 2004 have eight hole nozzles and spray at a 143 degree angle. 2004.5-2007 are modified to reduce emissions and only have 5-hole nozzles and they spray at a 124 degree angle. Two different turbochargers were used on 5.9L variations of the 3rd Gen Cummins.
What kind of pump does a 2003 Cummins truck have?
At this point, you should hear the pump run the duration of its cycle. For reference, the 2003-2004.5 trucks came equipped with a block mounted lift pump and the 2005-2007 trucks came from the factory with an in-tank lift pump, yet many of the 2003-2004.5 trucks were later retrofitted with this same in-tank design.
When did the 3rd generation Cummins truck come out?
When the 3rd Gen Cummins was released in 2003, the trucks made a huge leap in performance over Dodge Cummins trucks in 2002, even their high output models couldn’t compare. 2003 3rd generation Cummins trucks produce 305 horsepower and 555 lb-ft of torque.
