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What drives the high pressure fuel pump on a GDI engine?
The fuel rail pressure in a GDI engine is provided by a cam-driven variable stroke high pressure fuel pump. In typical designs, the volume of fuel pumped is controlled by a Flow Control Valve (FCV) located on the inlet of the pump.
How do you get rid of high blood pressure?
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- Lose extra pounds and watch your waistline. Blood pressure often increases as weight increases.
- Exercise regularly.
- Eat a healthy diet.
- Reduce sodium in your diet.
- Limit the amount of alcohol you drink.
- Quit smoking.
- Cut back on caffeine.
- Reduce your stress.
How do you reset a high pressure fuel pump?
Fuel Pump Circuit Breaker Reset If you cannot find a fuel pump fuse; then check your owner’s manual for the location of the fuel pump cut off breaker. Fuel pump breakers usually have a button on top that pops up when it trips. Simply push this button back in until it clicks.
What is the purpose of a high pressure fuel pump?
The high-pressure pump is responsible for compressing the fuel supplied by the electric fuel pump to the pressure required for high-pressure injection up to 20 MPa (200 bar).
What kind of fuel injection does GM EcoTec3 use?
The EcoTec3 engine was equipped with gasoline direct injection, or GDI, replacing the old port style fuel injection used in different versions for many years. GM had been using GDI in other vehicles for some time, but this was their first use of GDI in full-sized pickup and SUV applications.
Why does my GM EcoTec3 not have a jet pump?
Some inferior quality aftermarket MRAs don’t have a jet pump and that can cause stalling and fuel starvation problems when the fuel level is low or the truck/SUV is on uneven ground. It’s important to make sure the replacement MRA is equipped with the jet pump.
What is the low pressure system on a GM EcoTec3?
The low-pressure system is responsible for moving the fuel from the fuel tank to the high-pressure fuel pump, and the EcoTec3’s low-pressure fuel system is electronically controlled and return-less.
What causes DTCs on a GM EcoTec3?
Wiring to the low side fuel pressure sensor, circuit issues to the FPCM, the low-pressure fuel pump operation and fuel pressure concerns are just a few of the factors that can set DTCs.