I still fall back on a fully stock ignition with new plugs as a good baseline.
Check the plug and wiring going to the coil packs. Start looking at temperatures too.
Former owner of '99 CSVT - Silver #222/2760
356/334 wHP/TQ at 10psi on pump gas!
See My Mods
'05 Volvo S40 Turbo 5 AWD with 6spd, Passion Red
'06 Mazda5 Touring, 5spd,MTX, Black
