Mechanics

CHEVROLET TRUCK CHOKE PROBLEM

2002 Chevrolet Truck • 150,000 miles

Obd2 code reading po300. Engine lope on #3& 4 cyclinders. Change spark pluges-coil-injecters and wires.
Avatar
Sunnylexus
January 20, 2013.



Check your fuel pressure it should be 60-66 psi at rail with key on if a small block. If big block 54-62 psi if pressure ok check for vacuum leak with choke spray

Hmac300
Jan 20, 2013.