1992 corvette right side of motor floods
09-24-2018, 08:35 PM
#1
1992 corvette right side of motor floods
1992 corvette replaced fuel injectors fuel regulator spark plugs twice oil and filter twice right side of motor floods raw fuel out of exhaust fuel in oil again when i pull injector wires left side motor changes right side it does not tried different injectors same thing fuel pressure with in specs also when car sits over night fuel locks right side sometimes when you start the car seams to run ok for a wile then miss and smokes if you can help Thanks John
Last edited by jtr459; 09-24-2018 at 09:06 PM. Reason: ad more information
09-24-2018, 09:36 PM
#2
Le Mans Master
Pull hose for FRP check for fuel. Pop the fuel rail up and pressurize fuel system. Check for injectors dripping fuel. Check injector harness for chaffing or short to ground.
09-24-2018, 10:08 PM
#3
09-25-2018, 06:40 PM
#4
1992 corvette replaced fuel injectors fuel regulator spark plugs twice oil and filter twice right side of motor floods raw fuel out of exhaust fuel in oil again when i pull injector wires left side motor changes right side it does not tried different injectors same thing fuel pressure with in specs also when car sits over night fuel locks right side sometimes when you start the car seams to run ok for a wile then miss and smokes if you can help Thanks John
The way the 1992 EFI system works - half of the injectors fire at the same time.
One side of the injectors is always hot with Ignition on - the other side is grounded when the PCM wants the injectors to open. So - if there is a short from the "ground side" of the injector wiring to any ground - that could easily cause exactly what you seem to be describing.
IMO - the best thing to do is to pull the injectors while still hooked to the fuel supply rail. Then power the ignition and fuel pump and see if fuel is coming out of any injector. Also check the injector wiring carefully for any damage...