Injection pump leak test cm2250

[Rawze]

(04-20-2023 )Rockinbexpress Wrote:  Thanks squareone I've done that test. I guess if you eliminate the injectors the only thing left is the pump itself. The pump is under warranty but I have to buy a new one and wait for a refund so I want to make certain it's the pump before I spend another $4k

before assuming it is bad injectors.. be sure to re-torque all the injector supply tubes going into the head first, and do the check a second time. Sometimes it is only the injector supply tubes that get leaky.