P1209?

Dieselfever

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I came across a code in a truck that is having an intermittent loss of power. The code is P1209 - injector control pressure peak delta test fault, I have not seen this code before ad was wonder if there was some insight on it

Also had P1211 for ICP above/below desired, but ran fine and ICP and IPR duty cycle were fine when I drove it

-Michael
 

JLDickmon

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the P1209 would make me start looking at the ICP sensor on the left head.. a lot of times they like to leak into the wiring pigtail.. other times they get a layer of glop built up over the end of it..

could have a bearing on the 1211 code, but a lot of times you see that one if you're running hot tunes on a factory HPOP, and the HPOP simply runs out of oil..
 

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