Posted by charles todd on September 23, 2009 at 18:00:49 from (205.242.95.136):
I posted a few days ago with a nasty engine knock. Drained the tank sump, fuel filter housing, and replaced the fuel filter hoping that I had a water related problem. I did get SOME water out, but not as much as I expected.
I messed around with it some last night and found that it would knock and miss at lower RPMs while belching black smoke on each miss. It runs fine 1/3-1/2 throttle up to WOT. I put a healthy dose of Diesel Kleen to it and ran the hell out of it for about 3 hours. It ran like a top, after of course knocking after start-up.
I did not shut it down to a low idle, but cut back on the throttle to cross the creek on the way back home and the knocking/missing started again, but sounded a little different with a 6-9 ceatane rating boost. Got the RPMs back up and it cleared out, no smoke or noise.
Either I have an injector not seating/leaking/stuck or the injector pump is failing? Would these be the route to go? I know injector OH is MUCH cheaper than an injector pump OH, but are either at fault? Runs fine flat out, but knocks like a MFer at lower RPMs...
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Today's Featured Article - Identifying Tractor Noises - by Curtis Von Fange. Listening To Your Tractor : Part 3 - In this series we are continuing to learn the fine art of listening to our tractor in hopes of keeping it running longer. One particularly important facet is to hear and identify the particular noises that our
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