GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 Caprice WM 🢒 Engine 🢒 Engine Controls and Fuel - 2.8L, 3.0L, 3.2L, or 3.6L 🢒 Poor Fuel Fill Quality

Poor Fuel Fill Quality Petrol

Checks

Action

DEFINITION: Fuel filling time, as measured against previous filling time, is noticeably longer than expected.

Fuel System Checks

Inspect for the following conditions:

    • A contaminated or clogged fill valve filter. A service interval is not specified for the fill valve filter. Its condition depends on fuel quality. Use of LPG with excessive amounts of contaminants will increase the frequency of service. Service if necessary.
    • A fill line union check valve that is restricted or incorrectly installed. The check valve flow direction arrow should point towards the fuel tank.

Poor Fuel Fill Quality LPG

Checks

Action

DEFINITION: Fuel filling time, as measured against previous filling time, is noticeably longer than expected.

Fuel System Checks

Inspect for the following conditions:

    • A contaminated or clogged fill valve filter. A service interval is not specified for the fill valve filter. Its condition depends on fuel quality. Use of LPG with excessive amounts of contaminants will increase the frequency of service. Service if necessary.
    • A fill line union check valve that is restricted or incorrectly installed. The check valve flow direction arrow should point towards the fuel tank.