chevrolet Workshop Repair Guides

Chevrolet Workshop Service and Repair Manuals

Fuel System - Fuel Injector Maintenance Cleaning|Page 4093 > < Fuel System - Fuel Injector Maintenance Cleaning|Page 4091
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Injector Coil Test Equipment

CIRCUIT DESCRIPTION 

Number(s) below refer to circled number(s) on the diagnostic chart.

1. This is the set-up step for performing the injector coil test. Also read instructions included with tools used for test.
2. Engine coolant temperature affects the tool's ability to detect a faulty injector. If engine coolant temperature is NOT between 50° F and 95° F the

comparison chart (Part 2 of 3) must be used.

Chart C-2A: Injector Pressure Drop Procedure

3. The first second of the voltage reading may be inaccurate due to initial current surge, therefore, record the lowest voltage displayed after the first

Fuel System - Fuel Injector Maintenance Cleaning|Page 4093 > < Fuel System - Fuel Injector Maintenance Cleaning|Page 4091