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LAND ROVER V8 55 DESCRIPTION AND OPERATION Diagnosis of electrical faults is continually monitored If an HO 2 S sensor should fail, the following fault codes will be generated by the ECM diagnostics, which can • P1129 - Front heated oxygen sensors Upstream sensor LH bank - electrical (NAS only) • P0130 - Stoichiometric ratio outside operating • P0132 - Short circuit to battery supply • P0134 - Open circuit Downstream sensor LH bank - electrical • P0136 - Stoichiometric ratio outside operating • P0137 - Short circuit to battery supply • P0138 - Short circuit to ground or chemical shift • P0140 - Open circuit Upstream sensor RH bank - electrical (NAS only) • P0150 - Stoichiometric ratio outside operating • P0152 - Short circuit to battery supply • P0154 - Open circuit Downstream sensor RH bank - electrical • P0156 - Stoichiometric ratio outside operating • P0157 - Short circuit to ground • P0158 - Short circuit to battery voltage • P0160 - Open circuit Upstream sensors aged (NAS only) • P0133 - Upstream sensor aged - Period time too • P0133 - Upstream sensor aged - Period time too • P0153 - Upstream sensor aged - Period time too • P0153 - Upstream sensor aged - Period time too • P1170 - Upstream sensor aged - ATV adaption • P1170 - Upstream sensor aged - ATV adaption • P1173 - Upstream sensor aged - ATV adaption • P1173 - Upstream sensor aged - ATV adaption Sensor Heater faults • P0135 - Upstream heater LH bank - Short circuit • P0135 - Upstream heater LH bank - Open circuit • P0141 - Downstream heater LH bank - Short • P0141 - Downstream heater LH bank - Open • P0155 - Upstream heater RH bank - Short circuit • P0155 - Upstream heater RH bank - Open circuit • P0161 - Downstream heater LH bank - Short • P0161 - Downstream heater LH bank - Open |