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My 1999 24 valve at highways speeds seems to have no throttle response. Up hills truck can drop a bit below speed and when I give fuel nothing .. hit flat ground and away it goes .. 

 

truck pulls and shifts flawlessly at non highway speeds .. 23lbs boost, no lower then 10psi fuel, any ideas? It’s embarrassingly be able to be put pulled by a gasser you hill on the highway


Check engine light not on  

 

 

 

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If the injectors are stock and over 100k miles they are wasted. These engines are rather retarded in timing why most of us use a tuner like Quadzilla to crank the timing up where needed. There is a lot of upgrades to making good power. 

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