hendy

any one help me sort this prob out it is a 92 jdm wrx over 4000 rpm it boggs down or soumds like missing or hesitent just changed the fuel filter thinking it was that not that any more ideas any sort of cheack list i can go through its got a dawes device bailey dv itg panal filter and boosting @ 0.9 but just turned it down to 0.7 while the prob is here any help apraceited cheers grant

chockymonster

SOunds similar to a problem I had.
As soon as the boost was upped, the car would hesitate under hard acceleration. Problem was caused by 2 split coil packs