Fuel Metering Components: Notes

WARNING: This page is about a different car, the 2004 GMC Sierra and 2004 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

The alternative fuels metering system consists of the following components:

High Pressure Regulator (HPR)
Low Pressure Lock-Off (LPL) Solenoid
Intermediate Pressure Regulator (IPR)
CNG Fuel Injectors
Fuel Rail Pressure Sensor
Fuel Rail Temperature Sensor