CHECK INSULATION CONDITION OF FUEL INJECTOR.

Measure the resistance between fuel injectors #3 and #4 and the engine ground.

NOTE:

Do not remove the fuel injectors from engine during measurement.

Terminals

No. 1 — Engine ground:

No. 2 — Engine ground:

QUESTION

Is the resistance 1 MΩ or more?

Yes No

Repair the poor contact of ECM connector.

Replace the faulty fuel injector.