Test TC-121B - Fuel System 2/1 Lean
NOTE:
Perform TEST TC-121A before proceeding. For connector terminal ID, see CONNECTOR IDENTIFICATION DIRECTORY. For component location see wiring diagram in the WIRING DIAGRAMS
article.
- Inspect all related wiring and connectors for damage. Repair wiring and connectors as necessary and perform TEST VER-5A. If wiring and connectors are okay, go to next step.
- Perform each test in order listed in REPAIRING FUEL SYSTEM LEAN TESTS table. If a test passes, continue to next test until problem is located.
REPAIRING FUEL SYSTEM LEAN TESTS
| Description | Perform Test No. |
|---|---|
| Fuel Pressure | NTC-3A |
| Ignition System | NTC-2A |
| Engine Coolant Temperature Sensor | NTC-4A |
| MAP Sensor | NTC-6A |
| Engine Mechanical Systems | NTC-22A |