Join Date: Aug 2006
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Some more information
With the fuel bowl harness connected securely to the IPR , the connector as an assembly can move quite a bit on the IPR. This is just me speaking outloud here but Im pretty sure that the loose IPR connector will cause the symptoms that my truck has. Right?
Also, I already mentioned it that when I disconnect the ICP, the idle comes up about 200rmp and will start to hunt up and down. Pretty much the same as with the ICP connected. From what I have read, if the truck still runs with the ICP disconnected than the ICP is probably ok?
The most confusing part of this problem is that it runs fine on motor oil. Is there some kind of learning process that the PCM has and it forgot how to run on diesel? When I changed the oil today I ran it on the old oil and it didnt hunt for the correct idle speed. It has always missed a little at whether on diesel, jet-a, motor oil or veggie.