I have a 99 2500 suburban 454 vortec and I was going down the road to work and it just shut off like you turned the key off and wouldn't start back. I have replaced plugs plug wires coil distributor cap and rotor button ignition moduel cam sesor cranks sensor,still wont start but if you unplug to spark plug
wires it will fire right up. any suggestions
JA: Is the car in "Park" or "Neutral?" Do you know if your car has a "wheel lock" feature?
Customer: park and yes I think I does
JA: Are you fixing your Suburban yourself? What have you tried so far?
Customer: yes and plugs , plug wires , distributor cap , rotor button, ignition module, cam sensor , crank sensor , fuel pump , fuel pressure regulator , and the coil
JA: Anything else you want the mechanic to know before I connect you?
Customer: no thank you