PLEASE HELP!!!!!
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Joined: Jun 2014
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PLEASE HELP!!!!!
Been working on my 7.3 for a while and I have gotten most everything fixed besides one issue. While accelerating I have very slow almost no power until after I reach 3rd gear roughly 45-50 mph which after that it runs like a top. I have tried all variations of CPS' s and still has the same issue. All regular services are kept up on, trans was just done and no shavings in bottom of pan. Turbo makes full boost, however a few months ago a check engine light came on and o/d flashed pulled truck over immediately shut it down to take a look at things once started back up all light were out and haven't come back since and no stored codes. I'm at wits end trying to figure out this power issue. This is my third 7.3 and I have never felt an issue like this , any and all help is greatly appreciated
2000 7.3 CC SRW, 4X4 *140K miles. Things that have been done include swamps stage 2 injectors, hpx, frx, swamps customs tunes, ccv reroute, 6637 filter, fuel rail cvd fittings, wicked wheel, all glow plugs, both uvch, new ipr, new icp, 4" turbo back straight, bellowed up-pipes, new water pump all new pulleys to include alternator.
2000 7.3 CC SRW, 4X4 *140K miles. Things that have been done include swamps stage 2 injectors, hpx, frx, swamps customs tunes, ccv reroute, 6637 filter, fuel rail cvd fittings, wicked wheel, all glow plugs, both uvch, new ipr, new icp, 4" turbo back straight, bellowed up-pipes, new water pump all new pulleys to include alternator.
Excursion's 4ever!
Joined: Jun 2010
Posts: 346
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From: Yucca Valley, CA
Tell us more about your 7.3L like throttle response, fuel pressure, last time you changed the fuel filter, is your fuel system stock or regulated return. What are your gauges telling you? Many possibilities so the more you can share the better the advise will be. In my case I ended up replacing my throttle position sensor due to pregnant pauses when starting out, dangerous at an intersection and when hauling my toy hauler. I dont think that is your issue based on what you describe, but could be your IDM (not my first choice), fuel related (filter/pressure), IPR/ICP but you said those are new but what is your pulse width and ICP, is the pressure responsive to the throttle? More info, better feedback. We all feel your pain and will help best we can.
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