2007年2月5日 · It turned out that the metering valve on the top of the pump was leaking fuel through the plug end. The diesel completely ate the rubber weather seal in the plug and it …

2024年9月12日 · I recently installed dual cp3s along with lots of other goodies but I found that the high pressure line from the T to the rail has a leak at idle it will barely drip bring the rail …

2021年2月22日 · Some have claimed that it's extra work for the CP3/CP4 pump that should be corrected by adding a lift pump, ideally near the fuel tank. For the older trucks, a common …

2020年6月9日 · It doesn't happen at low rail pressures like idle or revving in neutral. It leaks enough to drip onto my front diff cover and sometimes leave a small wet spot on the driveway. …

2022年11月9日 · If the lift pump is good and there is just a drip out of the rail supply line, I'd think that's got the problem isolated. If it works in your friends truck and his won't work in yours, it's …

Bosch CP1, CP2, CP3, CP4 and CP5 high-pressure pumps offer numerous advantages, depending on the specific application requirements: - Combustion efficiency: Thanks to their …

2022年2月2日 · filling the coolant (orange) and once I got it fairly close to the minimum mark I starts getting a drip on the drivers side rear of the motor and drips near the drive line and the …

2017年6月16日 · Usually if you're getting pressure codes, the pump is on the way out. A new regulator might help, but since you're out of warranty, I'd look at replacing it ASAP, preferably …

2013年2月22日 · 2006 lly duramax, just noticed it has a slight coolant drip, can wipe the drip off, and it will be back in 5 minutes. It is coming from the mating surface between the engine and …

2014年11月28日 · CP4.2 is a 2 piston dual cam fuel injection pump versus the CP3 is a 3 piston single cam injection pump. Basically the CP4 runs at a lot higher RPM's with it being a dual …