2002 Chevrolet Cavalier "high pressure fuel pump chevy" Questions

...high-pressure fuel pump to deliver a specific fuel rail pressure - that can vary up to 23,000 psi depending on load and speed. The actual pressure is monitored via the fuel rail pressure sensor. If ...

...high. If it does stop again....listen for silence from the fuel tank. Get use to the slight buzz noise of the pump so you can detect that missing if the car does stop. The pump should run constantly ...

...high exhaust back pressure and it will need a way out if not through the cat it will cause the pipes to crack at a weak point and give you the black carbon cloud you had. Have the fuel pressure ...

...high pressure line between the pump and outgoing fuel supply line doesn't have any cracks (the small line inside the tank) -- I had same symptoms only to find pump could not hold pressure because of ...

...Check the pump and the pump timing. I think your 1985 has a throttle body correct? To high a pump pressure can cause this.Is there a fuel pressure regulator on the intake? It may be or gone

...be around 40-44 PSI at idle, if u replace the pump the correct pump has preset pressure, if the pressure is to high then the regulator may be stuck, it is near the injectors on the fuel supplu

...high manifold depression the lower pressure will be available and at low depression (throttle wide open) the fuel pressure will be at the highest. This is the way the fuel/air mixture is richened so ...

...from inline fuel filter unless your sure, no pressure on the system. You could block the return line, where applicable, momentarily, to see if pressure will go high. If not, it should be the

...pressure range - too low or too high will cause problems. Have the fuel pressure checked over several operating conditions (pressure too low is usually the pump or a rubber connector in the fuel line ...

...high pressure fuel pump, fuel rail pressure, fuel injection timing, and injection duration are controlled by the ECM. I would bet that the fuse isn't the problem ! Don't get me wrong , the fuse could ...