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  1. M

    running rough

    Just had it run on computer came back with a 1298 code. They say that is the IDM and it also showing one bad injector (#4). Is there any option to replace IDM or somewhere to get one cheaper, I just called IH dealer and they want 845.00 for it. There is no CEL being thrown. I have heard that...
  2. M

    running rough

    Thanks for the replies. Checked the fuel pressure, it running about 52 at idle. No smoke at idle, only smoke is at start or when I hit it pretty hard. It seems to take periods of running decent then running rough. I was hauling load of fertilzer yesterday (about 5 tons ). and it would ok till...
  3. M

    running rough

    Truck not running right, it has a rough idle, and is very rough around 30 to 40 mph range. It seems to smooth out around 50 and ok above 50. It has some power but not like it should, I have switched tanks and diesel is from different station on front VS back tank. I have added standayne and...
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