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Injector Balance Test Example (Typical)

WARNING: This page is about a different car, the 2003 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.

For injector balance test results example, see INJECTOR BALANCE TEST EXAMPLE  table and Fig 1 .

INJECTOR BALANCE TEST EXAMPLE

Cylinder No. 1st Reading 2nd Reading Amount Of Drop Average Range: 9-12 psi (62-83 kPa)
1 47 psi (324 kPa) 36 psi (249 kPa) 11 psi (75 kPa) Injector Okay
2 47 psi (324 kPa) 34 psi (234 kPa) 13 psi (90 kPa) Faulty Injector Too Much Fuel Drop
3 47 psi (324 kPa) 37 psi (255 kPa) 10 psi (69 kPa) Injector Okay
4 47 psi (324 kPa) 39 psi (269 kPa) 8 psi (55 kPa) Faulty Injector - Too Little Fuel Drop
Fig 1: Fuel Injector Balance Test Using Special Tool
G00180746Courtesy of GENERAL MOTORS CORP.