06-08-2010, 11:40 AM
Join Date: Nov 2007
Location: Lima, OH
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Dying 6.4 among other things
Well my 6.4 is not doin too well right now. Ever since my headgaskets were done and I got the truck back it had a squeaking that happened anywhere over a half throttle or so and it would throw a code P2289 Injector control pressure too high- engine off
Well the dealer looked at it and determined it wasnt a boost leak for the squeak but the code wouldnt throw when it was in. THey wanted to pull the cab to dig deeper but I couldnt afford to have the truck down for two weeks.
Fast forward 3 months later. Two weeks ago the truck started to throw the code every single time I started the truck. Before it was maybe once a day or less.
Then two days ago after I drove up to wisconsin it got really bad. Now if I start the truck and the code is thrown if I let it idle the truck will randomly idle up to 1500 RPM then back down to normal. Im not touching the pedal or anything.
Now if I shift into gear with the code thrown it will idle well over 2000 RPM without touching the gas. Ok so no clue whats going on there. So I cant drive with the code thrown, before if I drove with the code thrown it would just defuel if I went over three quarter throttle.
Now when I clear the code and its in park the truck will lope between 500-750 RPM just like the RCD lope tune.
When I clear the code the truck will drop the idle down to around 350-400 RPM and the pedal will be completely dead. Sounds like an old tractor idling and I litterally cant drive at all. After about three minutes the idle will come back up but now if I go over a half throttle the truck will die. Just shut down completely. Its done that 4 times now in a span of 20 miles. Last time was very difficult to start again.
It does it on the stock no regen tune, 210 tune, etc. Doesnt matter what tune Im on.
My problem is that Im 250 miles from my house in chicago. Im in my place in wisconsin where the nearest dealer of anything is about 2 or so hours away.
So basically I have zero clue what is going on. Anyone have any ideas?
Thanks in advance