1989 Chevrolet Silverado Repair Question
Topics covered: Body, Fuel pressure, Fuel pump.
Mileage: No information provided.
Mileage: No information provided.
Asked on December 30, 2007
Chevy won't stay running
Engine problem
1989 Chevy Silverado V8 Four Wheel Drive Automatic 163000 miles
This truck has a 350 throttle body fuel injection system. The problem is that it will start without even touching the gas but, it only runs about 5 seconds and then shuts down. We have replaced the idle air oxgen sensor, fuel presure regulator and all the seals in the throttle body. It has a new starter, battery wires, alternator, ignition module, cap and rotor, plugs and wires. The fuel pump is working I just don't know what to do next !
1989 Chevy Silverado V8 Four Wheel Drive Automatic 163000 miles
This truck has a 350 throttle body fuel injection system. The problem is that it will start without even touching the gas but, it only runs about 5 seconds and then shuts down. We have replaced the idle air oxgen sensor, fuel presure regulator and all the seals in the throttle body. It has a new starter, battery wires, alternator, ignition module, cap and rotor, plugs and wires. The fuel pump is working I just don't know what to do next !
Answer
Replied on December 30, 2007
Check the fuel pressure, the fuel pump might be coming on but is it producing the correct fuel pressure. Also have these things checked out-coolant temperature and throttle position sensors, idle air control valve/air bypass passage could be clogged up.