Symptoms of a Bad Fuel Pressure Regulator
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The fuel pressure regulator is located on the fuel rail of the engine. The regulator is placed at end of the fuel rail.
Need to check fuel pressure with a gauge first. Then check fuel pressure regulator. Need to check fuel pressure with a gauge first. Then check fuel pressure regulator. Need to check fuel pressure with a gauge first. Then check fuel pressure regulator. Need to check fuel pressure with a gauge first. Then check fuel pressure regulator.
Did you replace the fuel filter? It can also be a bad fuel pressure regulator.
Check fuel pressure, fuel pressure regulator.
connect a fuel pressure gauge to the port at the back. turn key on and check for pressure,watch for pressure drop if it drops immediately regulator is leaking.on4.3 reulator is under upper intake plenum
The regulator is only available with the fuel pump. So if the pressure is not correct, you need to replace the pump.
the fuel pressure regulator conntrols fuel pressure and that's all
The fuel pressure regulator is located next to the fuel injector pump. The fuel pressure regulator should be labeled as such.
Need to know what year 4.3L you have.
You can check fuel pressure by buying a fuel pressure master kit and remove the fuel line from the fuel rail with a size 17 socket and then install tool and crank.
Could be a faulty check valve in the fuel pump, a leaky fuel injector poppet or a leaky fuel pressure regulator. My guess would be the fuel pressure regulator.
The fuel pressure regulator is with the fuel pump inside the gas tank.