I have an 09 MS3 that acts like the fuel pump resistor is bad but it has been bypassed/deleted by previous owner. Here’s a mod list & maintenance list:
Mods: (all done less than 100 miles ago)
BNRS3
Damond 3.5in intake
3port EBCS
FMIC w/ VTA BOV
GGP VTCS delete kit
Damond EGR delete
Damond PCV...
I posted this in another MazdaSpeed group on Facebook. Needing some advice. I did an overhaul & installed the following over the last 2 weeks:
BNRS3
Damond 3 port EBCS
Damond 3.5intake
Full EGR delete
PCV plate & stage 1 catch can
Injectors cleaned & tested with new Overspeed seals
Cleaned...