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Home >> Mercury >> 2000 >> Mountaineer 4WD V6-4.0L VIN E >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Pinpoint Tests >> Test H: Fuel Control
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Test H: Fuel Control




NOTE
This Pinpoint Test is intended to diagnose the following:
- Heated Oxygen sensor (HO2S)/Heater
- HO2S Connections
- Vacuum Systems
- Fuel Injector(s)
- Harness Circuits: HO2S GND, HO2S, INJ 1-8, VPWR and SIG RTN
- Powertrain Control Module (PCM)

Pinpoint Test Connectors

Contour/Mystique/Cougar (HO2S):





All Others (HO2S):






Use the large index tab as your reference during diagnostic analysis. Some connectors may not have the small index tabs.

NOTE: Location of the small index tabs may differ from illustration.

PCM Connector Pin Numbers

PCM Connector Pin Numbers:






Injector Vehicle Harness Connector

Injector Vehicle Harness Connector:






Injector PCM Connector Pin Numbers

Injector PCM Connector Pin Numbers:






HO2S Location






Pinpoint Tests
























































































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