Question about 2003 Chevrolet Malibu
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Posted on Jan 02, 2017
ther are good few types of fuse box for this car.but if it has 6 relays along the bottom its relay number 28hope this helps
Posted on Oct 27, 2008
SOURCE: 2000 Malibu Starts then looses
Keep in mind that you have several components there:
- Fuel Pump Sender Assembly,
- Fuel Pressure Regulator,
- Fuel Rail Assembly, and
- Fuel Injectors.
1.- Fuel Pump (Sender Assembly) - TESTING
Refer to the accompanying charts for fuel pump diagnosis and testing.
The fuel injection system remains under pressure, even after the engine has been turned OFF. The fuel system pressure must be relieved before disconnecting any fuel lines. Failure to do so may result in fire and/or personal injury.
Fig. 3.1L engine OBD system check to be done before fuel pump relay circuit diagnosis
Fig. 3.1L engine fuel pump relay circuit diagnosis (1 of 2)
Fig. 3.1L engine fuel pump relay circuit diagnosis (2 of 2)
Fig. View of the fuel pressure test port (Schrader valve)-3.1L engine
A - 3.1L engine fuel system pressure test (1 of 4)
B - 3.1L engine fuel system pressure test (2 of 4)
C - 3.1L engine fuel system pressure test (3 of 4)
D - 3.1L engine fuel system pressure test (4 of 4)
Fig. The fuel pump/fuel sender module assembly is mounted in the fuel tank
2.- Fuel Pressure Regulator - REMOVAL & INSTALLATION
(the fuel pressure regulator, which is located on the fuel rail assembly)
NOTE: Before removing the fuel regulator assembly, place a clean shop towel under the regulator to catch any fuel drips
Posted on May 24, 2010
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