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rough idle
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  1. 7.3L Power Stroke Technical Info
    I just rebuilt my engine, and am having some issues with my truck not starting with the ice unplugged, when the ICP is plugged in it will start, but idles up and down between 1200 and 500 rpms, buzz, also feel loss of power, and throttle response is terrible. I have replaced the ice and pig...
  2. 7.3L Power Stroke Technical Info
    I have a 1999 Early F-450 7.3 that I bought at an auction. At first I couldn't get it started and discovered that all the glow plugs were burnt out. I rebuilt all injectors and replaced all glow plugs. I am still getting a very rough idle and am getting a report of cylinder 1 and 8 fault during...
  3. 6.0L Power Stroke Technical Info
    Thanks for the good info in this forum ; I'm still perusing the website. Need help with hard start, no start, rough idle. FICM was replaced ~50K miles ago - at that time bad batteries was the cause. However, bow I'm not confident I've identified the FICM as the source of my problem. When the...
  4. 7.3L Power Stroke Technical Info
    Hey guys, I have a 02 F350 7.3, A month ago lost power towing our excavator. Got the truck home but rattle like hell. So far we have changed out the IDM, ICP, and the IPR. New Injectors and pump from Swamps two years ago. We have check all wiring from the IDM thru the valve cover and all...
  5. 7.3L Power Stroke Technical Info
    Hey y'all, I'm posting here for the first time because I can't figure out what is causing the slight fluctuation in the idle of my 2001 7.3L, I bought it with 156,000 mi and it's at just over 162,500 mi now. It had some issues and trouble codes and I have just been throwing shiny new parts at...
  6. 1994-1997 Power Stroke Technical Info
    Truck starts and idles fine then after about 15 seconds or so goes into a choppy idle and check engine light comes on. Put in gear it smooths out and picks up a couple hundred rpm's. Idles same in park and neutral . No codes.
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