1990 gmc sierra sle 5.7 tbi
I have no power to the fuel pump ive put new fuel
pump in nothing replaced relay still nothing
replaced fuel filter injectors ecm still nothing
fuseable like fuse is good truck has spark but will
backfire if. You put to much gas in the tbi I ran a
wire to a toggle switch then to fuel pumps hot wire
it primes it but the injectors dont receive power
either doing I need to replace the icm and the
distributor?