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Thread: IAT Problems - Reduced Power

  1. Top Of Page | #1
    Basic Member Buck Harrell's Avatar

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    IAT Problems - Reduced Power

    I keep getting DTC P0111.

    I have changed IAT Sensor checked the wires and everything seems to be working.

    The IAT temp will shoot to over 300 degrees.

    The truck is deleted and tuned and the truck runs like it need more air or fuel.

    I took it to the shop and they said they had to do some more research.

    Really need help!

    I can't get the truck over 68mpg empty and about 58mpg loaded and god forbid I find a hill.


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  3. Top Of Page | #2
    Bpbertolacini's Avatar

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    Re: IAT Problems - Reduced Power

    Clogged air filter ? Checked the health of your turbo at all, mabye change your fuel filters? What's the rail pressure reading?

    16 cummins Laramie longhorn, ccsb, 35x12.5x20 xplora mts ,tis wheels,fully deleted, pusher add a turbo kit,stainless diesel 475 5blade turbo over 63mm VGT delete turbo,manton springs, manton valve bridges,manton pushrods,ARP 625 headstuds,steedspeed t4i manifold , S&S 80% over injectors, thuren rear trackbar, kingspeed billet valve cover, revmax valve body billet plate, CCV reroute, pusher intake horn, thuren 2in level with king 2.5 front and rear, sway bar kit ,track bar and king steering damper. Air bags from airlift. 4" exhaust, fass lift pump,MM3,DRD tunes.pusher coolant reroute.

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  5. Top Of Page | #3
    Basic Member Buck Harrell's Avatar

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    Re: IAT Problems - Reduced Power

    Quote Originally Posted by Bpbertolacini View Post
    Clogged air filter ? Checked the health of your turbo at all, mabye change your fuel filters? What's the rail pressure reading?
    New turbo, new airfilter, new filters ,and fule pressure is in spec

    Sent from my SM-N950U1 using Tapatalk


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  7. Top Of Page | #4
    Bpbertolacini's Avatar

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    Re: IAT Problems - Reduced Power

    Is your vane position in check on the mm3?

    16 cummins Laramie longhorn, ccsb, 35x12.5x20 xplora mts ,tis wheels,fully deleted, pusher add a turbo kit,stainless diesel 475 5blade turbo over 63mm VGT delete turbo,manton springs, manton valve bridges,manton pushrods,ARP 625 headstuds,steedspeed t4i manifold , S&S 80% over injectors, thuren rear trackbar, kingspeed billet valve cover, revmax valve body billet plate, CCV reroute, pusher intake horn, thuren 2in level with king 2.5 front and rear, sway bar kit ,track bar and king steering damper. Air bags from airlift. 4" exhaust, fass lift pump,MM3,DRD tunes.pusher coolant reroute.

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  9. Top Of Page | #5
    Bpbertolacini's Avatar

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    Re: IAT Problems - Reduced Power

    Also have u checked for boost leaks?

    16 cummins Laramie longhorn, ccsb, 35x12.5x20 xplora mts ,tis wheels,fully deleted, pusher add a turbo kit,stainless diesel 475 5blade turbo over 63mm VGT delete turbo,manton springs, manton valve bridges,manton pushrods,ARP 625 headstuds,steedspeed t4i manifold , S&S 80% over injectors, thuren rear trackbar, kingspeed billet valve cover, revmax valve body billet plate, CCV reroute, pusher intake horn, thuren 2in level with king 2.5 front and rear, sway bar kit ,track bar and king steering damper. Air bags from airlift. 4" exhaust, fass lift pump,MM3,DRD tunes.pusher coolant reroute.

  10. Likes watersupply189 liked this post
  11. Top Of Page | #6
    Basic Member Buck Harrell's Avatar

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    Re: IAT Problems - Reduced Power

    Quote Originally Posted by Bpbertolacini View Post
    Is your vane position in check on the mm3?
    Yup,none

    Sent from my SM-N950U1 using Tapatalk


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  13. Top Of Page | #7
    Basic Member Buck Harrell's Avatar

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    Re: IAT Problems - Reduced Power

    Quote Originally Posted by Buck Harrell View Post
    Yup,none

    Sent from my SM-N950U1 using Tapatalk
    ?

    Sent from my SM-N950U1 using Tapatalk


  14. Top Of Page | #8
    Basic Member Buck Harrell's Avatar

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    Re: IAT Problems - Reduced Power

    Quote Originally Posted by Bpbertolacini View Post
    Also have u checked for boost leaks?
    Yup

    Sent from my SM-N950U1 using Tapatalk


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  16. Top Of Page | #9
    Bpbertolacini's Avatar

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    Re: IAT Problems - Reduced Power

    Maf, or map sensor perhaps?

    16 cummins Laramie longhorn, ccsb, 35x12.5x20 xplora mts ,tis wheels,fully deleted, pusher add a turbo kit,stainless diesel 475 5blade turbo over 63mm VGT delete turbo,manton springs, manton valve bridges,manton pushrods,ARP 625 headstuds,steedspeed t4i manifold , S&S 80% over injectors, thuren rear trackbar, kingspeed billet valve cover, revmax valve body billet plate, CCV reroute, pusher intake horn, thuren 2in level with king 2.5 front and rear, sway bar kit ,track bar and king steering damper. Air bags from airlift. 4" exhaust, fass lift pump,MM3,DRD tunes.pusher coolant reroute.

  17. Likes watersupply189 liked this post
  18. Top Of Page | #10
    Basic Member Buck Harrell's Avatar

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    Re: IAT Problems - Reduced Power

    Quote Originally Posted by Bpbertolacini View Post
    Is your vane position in check on the mm3?
    How do I check that

    Sent from my SM-N950U1 using Tapatalk


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