CP3 in Ram verses CP4 in Ford and GM
Is there someone that could possible explain the difference in the cp3 system that is in a Ram verses the cp4 system that is in a Ford? The high pressure Fuel Pump, is it just a brand difference or an...
Forum Discussion
blofgren wrote:FishOnOne wrote:Cummins12V98 wrote:
CP3 another good reason to own a RAM/Cummins.
Run some water or gas thru that CP3 pump and see what happens. If everyone recalls there was a member on this site that reported his CP3 HPFP in his GM truck failed do to water and had to replace the complete fuel system.
Fuel contamination is a serious issue for all common rail fuel systems.
I believe ib516 posted a link to a Ram Cummins forum some time ago where someone did fill his 6.7L Cummins Ram with gas. IIRC the engine quit some distance away from the service station and was towed to the dealership where the fuel tank was drained, filled with fresh diesel fuel and continued on!
Does he still have the same fuel system? Either way the exception isn't the rule.
