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Content .. 1949 1950 1951 1952 ..
DIAGNOSTIC TROUBLE CODE P1127 DIAGNOSTIC TROUBLE CODE P1128 P1103 Bank 1 -sensor 1, heating circuit, output too low CONVERTER (TWC), CHECKING . z Check Oxygen Sensor (O2S) and oxygen sensor control before Three Way Catalytic Converter (TWC). See CHECK OXYGEN SENSOR AND OXYGEN SENSOR REGULATION BEFORE CATALYTIC CONVERTER . P1105 Bank 1 -sensor 2, heating circuit short to B+ z Check oxygen sensor heater for Oxygen Sensor (O2S) behind Three Way Catalytic Converter (TWC). See OXYGEN SENSOR HEATER FOR OXYGEN SENSOR BEHIND THREE WAY CATALYTIC CONVERTER (TWC), CHECKING . P1115 Bank 1 -sensor 1, heating circuit short to Ground z Check oxygen sensor heater for Oxygen Sensor (O2S) before Three Way Catalytic Converter (TWC). See OXYGEN SENSOR HEATER FOR OXYGEN SENSOR BEFORE THREE WAY CATALYTIC CONVERTER (TWC), CHECKING . P1116 Bank 1 -sensor 1, heating circuit open P1117 Bank 1 -sensor 2, heating circuit short to Ground z Check oxygen sensor heater for Oxygen Sensor (O2S) behind Three Way Catalytic Converter (TWC). See OXYGEN SENSOR HEATER FOR OXYGEN SENSOR BEHIND THREE WAY CATALYTIC CONVERTER (TWC), CHECKING . P1118 Bank 1 -sensor 2, heating circuit open SAE- DTC text Corrective action P1127 Bank 1, mixture adaptation (mult.) System too rich z Check fuel pressure regulator and residual pressure. See FUEL PRESSURE REGULATOR AND RESIDUAL PRESSURE, CHECKING . z Check fuel injectors (Cylinder 1 Fuel Injector -N30- to Cylinder 4 Fuel Injector -N33-). See FUEL INJECTORS, CHECKING . z Check Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. See EVAPORATIVE EMISSION (EVAP) CANISTER PURGE REGULATOR VALVE, CHECKING . SAE- DTC text Corrective action P1128 Bank 1, mixture adaptation (mult.) System too lean z Check fuel pressure regulator and residual pressure. See FUEL PRESSURE REGULATOR AND RESIDUAL PRESSURE, CHECKING . z Check fuel injectors (Cylinder 1 Fuel Injector -N30- to Cylinder 4 Fuel Injector -N33-). See FUEL INJECTORS, CHECKING .
2003 Volkswagen New Beetle GLS 1998-2004 ENGINE PERFORMANCE On-Board Diagnostic (OBD), 2.0L Generic Scan Tool - New Beetle
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