96 Stalling EVAP system help large in rush of air when opening gas cap

[BlazerLT]

Again, I said you DON'T HAVE THE CPI AND NUT KIT SYSTEM.

I think you might have a pump on its way out.

[justin85]

It sounds like your vent solenoid is blocked this vents your fuel tank this is usually located near canister vent is a normally open solenoid the pcm only commands it closed for testing email for more info