On the BACK SIDe of the fuse panel. Access is from the DRIVERS side kick panel
It's the big black screw cap with a yellow label, just in front of the passenger side front shock under the hood.
If it now works it could be a bad connection to the sprayers.
Defective spark plug or plug wire, burnt valve, blown head gasket, fuel injector problem, or broken piston ring.
A leak of fluid somewhere. Check all lines and hoses for a leak and fix until the pedal is firm and does not loose pressure