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Home >> Cadillac >> 2002 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 378 (Engine Controls - System & Component Testing - 3.8L) >> Fuel Systems >> Fuel Injector Balance Test With Special Tool >> Fuel Injector Balance Test Example (Typical)
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Fuel Injector Balance Test Example (Typical)

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2003 Pontiac Grand Prix, 2003 Pontiac Bonneville, 2003 Chevrolet Monte Carlo, 2003 Chevrolet Impala, and 2003 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
FUEL INJECTOR BALANCE TEST EXAMPLE (TYPICAL)

Condition Cylinder No. 1 Cylinder No. 2 Cylinder No. 3 Cylinder No. 4
1st Reading 43 psi (296 kPa) 43 psi (296 kPa) 43 psi (296 kPa) 43 psi (296 kPa)
2nd Reading 19 psi (131 kPa) 17 psi (117 kPa) 18 psi (124 kPa) 21 psi (145 kPa)
Amount Of Drop 24 psi (165 kPa) 26 psi (179 kPa) 25 psi (172 kPa) 22 psi (151 kPa)
Average Range: 22.5-25.5 psi (156-176 kPa) Injector Okay Replace Fuel Injector, Too Much Fuel Pressure Drop Injector Okay Replace Fuel Injector, Too Little Fuel Pressure Drop