CHECK FUEL SUB LEVEL SENSOR.

1) Remove the fuel sub level sensor.

2) Measure the resistance between fuel sub level sensor and terminals with its float set to the full position.

Terminals

No. 1 — No. 2:

QUESTION

Is the resistance between 0.5 — 2.5 Ω?

Yes No

Repair the poor contact of harness between ECM and combination meter connector.

Replace the fuel sub level sensor.