CHECK FUEL INJECTOR INSULATION CONDITION.

Measure the resistance between all fuel injectors and the engine ground.

NOTE:

Measure the resistance without removing the fuel injector from engine.

Terminals

No. 1 — Engine ground:

No. 2 — Engine ground:

QUESTION

Is the resistance 1 MΩ or more?

Yes No

Repair the poor contact of the ECM connector.

Replace the faulty fuel injector.