gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Fuel Injector Coil Test|Page 3660 > < Fuel Injector Coil Test|Page 3658
Page 5
background image

Steps 7-8

The number below refers to the step number 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.

Fuel Injector Coil Test|Page 3660 > < Fuel Injector Coil Test|Page 3658