'94 Chevy Blazer 6.5L turbo Diesel surge/lope after new IP install

[frantchescon]

my truck did the same thing, and i replace the PMD with heat sink and problem go away

[mbarje]

@frantchescon Thanks, but the PMD is new, on a heatsink in the grille, I swapped my spare with no change, dealer tried their PMD and no change,

[fmfpowercore2]

trotle position sensor



[chathorn1]

If you figure it out will you let me know...same for me if I figure something I will let you know. THanks

[chathorn1]

My truck is doing the same thing...Did you ever find the problem?

[mbarje]

@chathorn1 No, it's still doing it, can't find a mechanic that knows this engine, I posted my problem on the Diesel Place forum but nobody could figure it out.