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Home >> Mercury >> 2009 >> Mariner Base, 2.5 7, AWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Powertrain DTC Charts & Descriptions (Except Diesel & Hybrid) >> DTC Diagnosis >> DTC P0155: - O2 Heater Circuit (Bank 2, Sensor 1)

DTC P0155: - O2 Heater Circuit (Bank 2, Sensor 1)

DTC P0155: - O2 HEATER CIRCUIT (BANK 2, SENSOR 1)

Description:  See the description for DTC P0135.
Possible Causes:  See the possible causes for DTC P0135.
Diagnostic Aids:  See the diagnostic aids for DTC P0135.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
E-Series 4.6L,
E-Series 5.4L,
Expedition,
F-150,
Flex,
MKS,
Navigator,
Sable PZEV,
Taurus PZEV,
Taurus X PZEV		 GO to Pinpoint Test DZ .
All others GO to Pinpoint Test DW .
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