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Content .. 1947 1948 1949 1950 ..
DIAGNOSTIC TROUBLE CODE P0170 DIAGNOSTIC TROUBLE CODE P0171 Low Voltage, Bank 1 Sensor 2 CATALYTIC CONVERTER . P0138 O2 Sensor Circuit High Voltage, Bank 1 Sensor 2 P0139 O2 Sensor Circuit Slow Response, Bank 1 Sensor 2 P0140 O2 Sensor Circuit No Activity Detected Bank 1 Sensor 2 P0141 O2 Sensor Heater Circuit, Bank 1 Sensor 2 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 . SAE- DTC text Corrective action P0170 Fuel Trim, Bank 1 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 intake air system for leaks (false air). See INTAKE SYSTEM FOR LEAKS (FALSE AIR), CHECKING . z Check Fuel Pump (FP) -G6-. See CHECK FUEL PUMP (FP) . z Check exhaust system for proper seal. See EXHAUST SYSTEM EMISSION CONTROLS . Check Secondary Air Injection (AIR) system for proper seal. See SECONDARY AIR INJECTION (AIR) SYSTEM, CHECKING FOR PROPER SEAL . z Check vacuum lines for leaks SAE- DTC text Corrective action P0171 System Too Lean, Bank 1 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 intake air system for leaks (false air). See INTAKE SYSTEM FOR LEAKS (FALSE AIR), 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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