Mechanics

WHAT ELSE CAN I TRY????????

2003 Chevrolet Truck • 113,000 miles

A p0300 engine code is coming on. I have replaced the intake gaskets, fuel pres regulator, fuel filter, gas cap, plugs and wires, cleaned mass air flow sensor, and ran 2 cans of BG44k fuel system cleaner through it. Any help?
Avatar
Bigjim1467
February 7, 2012.



Possible bad injectors
check catalytic converter s

BMRFIXIT
Feb 7, 2012.