So i finally got my dad to delete the dpf on his 08 he got the dpf- r +, but issue is it idles at 1000 rpms now with speratic
iss but only at idle any ideas
That's the only reason the truck will go into high idle, either the connection is not good or the connector pins are busted. They break real easy, check them again. If you have a tuner that will let you check the temps of those sensors that's a good test to see which one it is.
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