Tools Required
WARNING: This page is about a different car, the 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 Chevrolet TrailBlazer, and 2004 Buick Rainier. However, it is still accessible from the selected car via links, so may be relevant.
J 34730-1A Fuel Pressure Gage
CAUTION:
Gasoline or gasoline vapors are highly flammable. A fire could occur if an ignition source is present. Never drain or store gasoline or diesel fuel in an open container, due to the possibility of fire or explosion. Have a dry chemical (Class B) fire extinguisher nearby.
- Remove the fuel pressure service connection cap, located on the fuel rail.
- Install the J 34730-1A fuel pressure gage to the fuel pressure service connection, located on the fuel rail.
- Turn ON the ignition.
- Place the bleed hose of the fuel pressure gage into an approved gasoline container.
- Open the bleed valve on the fuel pressure gage in order to bleed the air from the fuel pressure gage.
- Command the fuel pump ON with a scan tool.
- Close the bleed valve on the fuel pressure gage.
- Inspect for fuel leaks.
CAUTION:
Wrap a shop towel around the fuel pressure connection in order to reduce the risk of fire and personal injury. The towel will absorb any fuel leakage that occurs during the connection of the fuel pressure gage. Place the towel in an approved container when the connection of the fuel pressure gage is complete.
CAUTION:
Do not drain the fuel into an open container. Never store the fuel in an open container due to the possibility of a fire or an explosion.