Test TC-118B - Fuel System Rich

NOTE: For connector terminal idnetification, see CONNECTOR IDENTIFICATION DIRECTORY table. For wiring diagram, see WIRING DIAGRAMS article.

Inspect all O2 sensor wiring and connectors. Repair wiring and connectors as necessary. Perform TEST VER-2A . If wiring and connectors are okay, perform following tests in order until problem is found:

Fuel pressure. Perform TEST NTC-3D .
Coolant temperature sensor. Perform TEST NTC-4A .
Throttle position sensor. Perform TEST NTC-5A .
MAP sensor. Perform TEST NTC-6A .
Evaporative emission system. Perform TEST NTC-12A .
Engine mechanical systems. Perform TEST NTC-18A .