Quote:
Originally Posted by cre
Yes, well, if there are codes present you need to fix whatever is causing them first, but yeah you've got the jist of it. There are some issues for which a code may not show up which will cause a drastic change in timing to kind of hide the symptoms, such as a bad AFM or ECU coolant temp sensor... Might be worth testing them to make sure they're all up to the specs listed in the TSRM.
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i got the truck running well. only problem i am having now is idle.
the rpm will go up and drop repeatedly, if i step on the gas, it will just go to a higher rpm and drop. if i hold the gas pedal down or step on it suddenly i can hear the afm sucking air but it starts to die as if there is no fuel. i replaced the tps and cleaned the iscv. although, i unplugged the iscv while the truck was running and it didnt change anything. is it as simple as needing a new one? i tried another one i had and it did the same thing.