Fuel Injector Coil Test

Diagnostic Chart:

Diagnostic Chart (cont'd):

Diagnostic Chart (cont'd):

CSFI Fuel Supply System:

Test Description

The numbers below refer to the step numbers on the diagnostic table.

2. This step verifies that the problem is present at idle.

5. A voltage reading of less than 4.0 volts or over 6.0 volts at the MAF sensor signal circuit indicates a fault in the wiring or a poor connection.

6. This step verifies that the ignition feed circuit voltage and a good ground are available at the MAF sensor.