GM Truck Club Forum banner
1 - 1 of 1 Posts

42 Posts
Discussion Starter · #1 ·
96 tahoe 2 door i did the mpfi about 2.5 yrs ago and num 2 injector got stuck open .. replaced it and now cyl 7 is missfiring plug looks fine and wires look fine i tested 3 of them all fire but i am also seeing the bulb light up as the motor cranks in the 2 pics attached the brighter light is it firing the smaller light is when the rotor is spinning around im wondering if thats it arcing also fuel psi
Pump primeing 62
Running 54 psi


1 - 1 of 1 Posts