batmantech Posted August 7, 2009 Share Posted August 7, 2009 Under full load light comes on, p1211 did ppt fuel pres ok , oil areation ok, icp during koer only goes to 2.0v should be 3.0v plugged each head ipr was same, installed known good ipr same, ppt indicates a bad high press pump unable to build press (also ipr at idle is 500 psi 50% which is high) Has anyone seen anything like this before? Thanks Quote Link to comment Share on other sites More sharing options...
Bruce Amacker Posted August 7, 2009 Share Posted August 7, 2009 Sounds like a bad HPOP to me. No stalling complaints, just a CEL? IPR is 50% at an idle? Wow! It could be low pressure oil starvation, but probably not. I might pull the plug on the reservoir and look inside just for S&G just after an idle shutdown to make sure it's full. Good Luck! Quote Link to comment Share on other sites More sharing options...
batmantech Posted August 8, 2009 Author Share Posted August 8, 2009 Just finished it was the high pres. pump Now 500psi at idle with 14% ipr thanks good accel no codes Thanks!! Quote Link to comment Share on other sites More sharing options...
Bruce Amacker Posted August 8, 2009 Share Posted August 8, 2009 14% hot or cold idle? If that's at a hot idle, there might be leaky o-rings on the injectors. IPR command is usually 9-11% at a hot idle, if it's above that there could be "issues", like leaks. Glad you got it fixed! Quote Link to comment Share on other sites More sharing options...
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