Originally Posted by broadheadjohn
No check engine light....
I looked for the exhaust back pressure valve... is it right next to the turbo on the bottom of the pipe with the rod that goes behind the turbo? If so, I pushed on it and it moved a little, but it does not move when pushing the throttle...
yes it is on the bottom exit side off the turbo. the only time it will move is when the engine and the outside air is cold. It will close to make the engine warm up faster. I dont think you should be able to move it verry much by hand but I am not sure.
When you replaced your fuel filter was it very black and oiley you could have an injector O-ring leaking oil in to the fuel and causing problems.
Also If you checked your fuel pressure what was it.
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