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Help! 89 Corvette starts but then quits

DebZ

Member
Joined
Jun 20, 2009
Messages
6
Location
FL
89 Corvette starts but then quits
1989 Covette 350 tuneport; starts and then quits. Have replaced: ignition coil, cap, rotor,wires,dist pick up,dist module,mass air flow, throttle position sensor,esc module,coolant temp sensor,fuel pump, fuel pump relay, fuel pump regulator, fuel pump sock, fuel filter, ecm. Throttle body and plannum have been cleaned, vacuum hoses fine, fuel injectors pulse. There is something that regulates the timing, dst(?), and when that is disconnected it runs but has no throttle response. Other than that no matter what is done it starts up and then stumbles and quits. Any help would be greatly appreciated.(I posted this in C5 section accidentally, once I realized I posted here- sorry)!
 

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