01 excursion 7.3, no power to move when first started
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VT Chapter Ldr
Joined: Apr 2004
Posts: 96,118
Likes: 294
From: Orange, Vermont
i am surprised @Mark Kovalsky never replied after you answered his question, i was expecting him to say torque the valve body or Xyz is bleeding down.... me thinks it is in the trrsns/converter so was hoping mark could pin point it.
i have to believe after all these years you have checked the fluid level ?
do you have forscan ? check the fuse gor OBD power if you cant connect.
i have to believe after all these years you have checked the fluid level ?
do you have forscan ? check the fuse gor OBD power if you cant connect.
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VT Chapter Ldr
Joined: Apr 2004
Posts: 96,118
Likes: 294
From: Orange, Vermont
Cody had a thought as to why my Ex behaves in a similar fashion, and he had to adjust my tune accordingly. I can't remember what he told me (not surprising anymore) but maybe he'll have a thought.
@cleatus12r
Stewart
@cleatus12r
Stewart
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VT Chapter Ldr
Joined: Apr 2004
Posts: 96,118
Likes: 294
From: Orange, Vermont
Not the back pressure valve in turbo pedestal because I removed that maybe 3-4 years ago.
Cross-Country
Joined: Aug 2007
Posts: 72
Likes: 4
From: Arendal, Norway
To me it sounds like injectors If «everything» acts like normal or it runs and drive like normal after a few minutes of idling - it goes towards injectors.
Its quite «normal» when having worn out injectors to have this behaviour - it’s a tell tell sign.
Problem here is that you cannot perform a contribuiton test before the oil have a certaint temperature - above some 52 F. I think. I normally cange the oil, do a contribution test, check freeze frames, sensors and codes - if all check out good I’ll go after the EBP valve and waste gate actuator.
I have been doing a lot of injectors lately due to age and neglect and for most part they where similar to your problem - lack of power when cold, goes away after It warms up.
Do your research and tests before you go after injectors as they are expensive. There are good videos on YouTube about howe to - dieseltech ron - Ron Huxell are one of them.
Its quite «normal» when having worn out injectors to have this behaviour - it’s a tell tell sign.
Problem here is that you cannot perform a contribuiton test before the oil have a certaint temperature - above some 52 F. I think. I normally cange the oil, do a contribution test, check freeze frames, sensors and codes - if all check out good I’ll go after the EBP valve and waste gate actuator.
I have been doing a lot of injectors lately due to age and neglect and for most part they where similar to your problem - lack of power when cold, goes away after It warms up.
Do your research and tests before you go after injectors as they are expensive. There are good videos on YouTube about howe to - dieseltech ron - Ron Huxell are one of them.
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Triple_E_Farms
1994.5 - 1997 7.3L Power Stroke Diesel
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Jan 30, 2010 09:35 AM
