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Discussion Starter · #1 ·
it will run fine for a while then loses power & runs very rough ,like its out of fuel, will idle but rough too. i have changed the fuel pump,filter,cleaned the fuel tank & lines,oil,& map sensor. help please
 

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My money goes to something in the HPOP system. ICP sensor?
 

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I have somewhat of the same problem. Runs rough when warming up but fine at operating temp. I've changed filters/oil, injector o-rings a few months ago but i am also leaning to something on the HPOP side or CPS.
 
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