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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.