Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMERCURY2000SABLE V6-3.0L DOHC VIN SREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTESTING AND INSPECTIONPINPOINT TESTSTEST H: FUEL CONTROL
2000 Mercury Sable V6-3.0L DOHC VIN S
Test H: Fuel Control
2000 Mercury Sable V6-3.0L DOHC VIN SSECTION 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
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.