pontiac Workshop Repair Guides

Pontiac Workshop Service and Repair Manuals

Fuel Injector Balance Test With Special Tool|Page 7653 > < Fuel Injector Balance Test With Special Tool|Page 7651
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Step 6 - Step 8

The numbers below refer to the step numbers on the diagnostic table.
3. The engine coolant temperature (ECT) must be below the operating temperature in order to avoid irregular fuel pressure readings due to hot soak

fuel boiling.

6. If the pressure drop value for each fuel injector is within 20 kPa (3 psi) of the average pressure drop value, the fuel injectors are flowing properly.

Fuel Injector Balance Test With Special Tool|Page 7653 > < Fuel Injector Balance Test With Special Tool|Page 7651