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.