You need to check the return rate of the injectors. The short version is take lose the return line run the truck for 15sec. and measure the fuel that came out of the line. If its more them 20ml then you have bad injectors.
At 230k you could easily be do for injectors. How is your RP holding and at what PW?
At 230k you could easily be do for injectors. How is your RP holding and at what PW?