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  1. 6.5L Diesel Engine
    Hey guys, I disconnected my optical sensor on a 1998 K2500 HD Silverado. The connector on the wiring harness that plugs into the visible part of the optical sensor has a rubber boot/seal on it. A blue ribbed seal. It is no good. I had the injection pump replaced and they broke the clips on the...
  2. 6.5L Diesel Engine
    1996 3500 dually Fishbiting at operating temp. All the things we have done to this truck so far- New OPS New Starter Upgraded battery cables New batteries New harmonic balancer New front seal New PMD relocated to bumper Deleted vacuum pump Installed manual wastegate New FFM New lift pump New...
  3. 6.5L Diesel Engine
    Good afternoon im back with more 6.5 headaches. My 6.5 is throwing p0251 injection pump fuel metering control a (cam/rotor/injector) I just had the Injection pump replaced with one from Heath diesel, Had new injectors put in as well, Mechanic said while he was in there redoing the injection pump...
  4. 6.5L Diesel Engine
    My bus has been giving me codes P0251 and P0370. There are no drivability issues and the RPMs stay steady at 2000 RPM if I can hold my foot perfectly still. the throttle seems very sensitive in neutral. I have replaced and relocated the PMD. I put it inside the air filter box, I figured the...
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