
Originally Posted by
willvill2
Got it right, Niky. The fuel filter and the water separator were half filled with mudlike sludge. After the replacement and cleaning in the fuel filter area, I could already rev up to 4k or redline. There was also less visible smoke as compared to before the replacement. I realized, the fuel filter had not been replaced for more than 3 years.
My auto tranny XTO now feels nimble and I feel the problem is solved already though I still have to test it in climbing.
I brought it to the calibration later but the mechanic told me that the engine was still good.