cerberusiam said:HTML:If it is fuel in the oil, how do you determine which injector is leaking or if it is the CP3 leaking?
The CP3 has a weep hole to vent the shaft area so it doesn't leak into the engine. If there is a leak it is almost certain it is an injector.
If the shaft seal goes bad it can leak inside the motor. I had a friends do this on a stock truck at 30,000 miles.