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Home >> Mercury >> 1996 >> Sable V6-182 3.0L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Pinpoint Tests >> H - Fuel Control >> Test Notes
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Test Notes

You should enter this Pinpoint Test only when directed here.

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)


DESCRIPTION
For additional information on the HO2S, refer to Description and Operation / EEC-V Software and Hardware / EEC-V Hardware / PCM Related Inputs.

For additional information on the HO2S Monitor, refer to Description and Operation / On Board Diagnostics II System Monitors.


WARNING:
PROBING OR PIERCING WIRING INSULATION IS NOT PERMITTED AND MAY ALLOW WATER ENTRY, CAUSING CORROSION AND SHORTING WHICH MAY RESULT IN HO2S FAILURE.

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