MINI 2002-05

1.6L L4 - Auto 5

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Trouble Code: P2127



Accelerator Pedal Position Sensor -E- Circuit Low Input

Possible Causes:



Ground between engine and chassis may be broken
 
Throttle position sensor may have failed
 
Accelerator Pedal Position Sensor has failed
 
Throttle position sensor wiring may have shorted
 
Throttle position sensor has failed
 
Faulty voltage supply
 

Trouble Code: P2128



Accelerator Pedal Position Sensor -E- Circuit High Input

Possible Causes:



Ground between engine and chassis may be broken
 
Throttle position sensor may have failed
 
Accelerator Pedal Position Sensor has failed
 
Throttle position sensor wiring may have shorted
 
Throttle position sensor has failed
 
Faulty voltage supply
 

Trouble Code: P2138



Throttle Position Sensor D/E Voltage Correlation

Possible Causes:



ETC TP sensor connector is damaged or shorted
 
ETC TP sensor circuits shorted together in the wire harness
 
ETC TP sensor signal circuit is shorted to VREF (5v)
 
ETC TP sensor is damaged or the DME has failed
 

Trouble Code: P2270



O2 Sensor Signal Stuck Lean Bank 1 Sensor 2

Possible Causes:



Oxygen sensor (before catalytic converter) is faulty
 
Oxygen sensor heater (before catalytic converter) is faulty
 
Oxygen sensor heater (before catalytic converter) is faulty
 
Oxygen sensor heater (behind catalytic converter) is faulty
 
O2S circuit is open or shorted in the wiring harness
 

Trouble Code: P2271



O2 Sensor Signal Stuck Rich Bank 1 Sensor 2

Possible Causes:



Oxygen sensor (before catalytic converter) is faulty
 
Oxygen sensor heater (before catalytic converter) is faulty
 
Oxygen sensor heater (before catalytic converter) is faulty
 
Oxygen sensor heater (behind catalytic converter) is faulty
 
O2S circuit is open or shorted in the wiring harness
 

Trouble Code: P2300



Ignition Coilpack A Primary/Secondary Circuit Malfunction Open Circuit/Short to Ground

Possible Causes:



Engine speed (RPM) sensor has failed
 
Camshaft Position (CMP) sensor has failed
 
Power Supply Relay is shorted to an open circuit
 
There is a malfunction in voltage supply
 
Ignition coilpack is damaged or it has failed
 
Cylinder 1 to 4 Fuel Injector(s) have failed
 

Trouble Code: P2301



Ignition Coilpack A Primary/Secondary Circuit Malfunction Short to Battery

Possible Causes:



Engine speed (RPM) sensor has failed
 
Camshaft Position (CMP) sensor has failed
 
Power Supply Relay is shorted to an open circuit
 
There is a malfunction in voltage supply
 
Ignition coilpack is damaged or it has failed
 
Cylinder 1 to 4 Fuel Injector(s) have failed
 

Trouble Code: P2303



Ignition Coilpack A Primary/Secondary Circuit Malfunction Open Circuit/Short to Ground

Possible Causes:



Engine speed (RPM) sensor has failed
 
Camshaft Position (CMP) sensor has failed
 
Power Supply Relay is shorted to an open circuit
 
There is a malfunction in voltage supply
 
Ignition coilpack is damaged or it has failed
 
Cylinder 1 to 4 Fuel Injector(s) have failed
 

Trouble Code: P2304



Ignition Coilpack A Primary/Secondary Circuit Malfunction Short to Battery

Possible Causes:



Engine speed (RPM) sensor has failed
 
Camshaft Position (CMP) sensor has failed
 
Power Supply Relay is shorted to an open circuit
 
There is a malfunction in voltage supply
 
Ignition coilpack is damaged or it has failed
 
Cylinder 1 to 4 Fuel Injector(s) have failed
 

Trouble Code: P2400



EVAP Leak Detection Pump (LDP) Control Circuit Open

Possible Causes:



EVAP LDP power supply circuit is open
 
EVAP LDP solenoid valve is damaged or it has failed
 
EVAP LDP canister has a leak or a poor seal
 
EVAP canister system has an improper seal
 
Evaporative Emission (EVAP) canister purge regulator valve 1 has failed
 
Leak Detection Pump (LDP) is faulty
 
Aftermarket EVAP parts that do not conform to specifications
 
EVAP component seals leaking (i.e., leaks in the Purge valve, fuel tank pressure sensor, canister vent solenoid, fuel vapor control valve tube assembly or fuel vapor vent valve).
 

Trouble Code: P2401



EVAP Leak Detection Pump Control Circuit Low

Possible Causes:



EVAP LDP power supply circuit is open
 
EVAP LDP solenoid valve is damaged or it has failed
 
EVAP LDP canister has a leak or a poor seal
 
EVAP canister system has an improper seal
 
Evaporative Emission (EVAP) canister purge regulator valve 1 has failed
 
Leak Detection Pump (LDP) is faulty
 
Aftermarket EVAP parts that do not conform to specifications
 
EVAP component seals leaking (i.e., leaks in the Purge valve, fuel tank pressure sensor, canister vent solenoid, fuel vapor control valve tube assembly or fuel vapor vent valve).
 

Trouble Code: P2402



EVAP Leak Detection Pump Control Circuit High

Possible Causes:



EVAP LDP power supply circuit is open
 
EVAP LDP solenoid valve is damaged or it has failed
 
EVAP LDP canister has a leak or a poor seal
 
EVAP canister system has an improper seal
 
Evaporative Emission (EVAP) canister purge regulator valve 1 has failed
 
Leak Detection Pump (LDP) is faulty
 
Aftermarket EVAP parts that do not conform to specifications
 
EVAP component seals leaking (i.e., leaks in the Purge valve, fuel tank pressure sensor, canister vent solenoid, fuel vapor control valve tube assembly or fuel vapor vent valve).
 

Trouble Code: P2404



EVAP Emission Control LDP Circuit Malfunction Pump Problem

Possible Causes:



Leak Detection Pump has failed
 
EVAP canister system has an improper or broken seal
 
Evaporative Emission (EVAP) canister purge regulator valve 1 is faulty
 
Hoses between the fuel pump and the EVAP canister are faulty
 
Fuel filler cap is loose
 
Fuel pump seal is defective, faulty or otherwise leaking
 
Hoses between the EVAP canister and the fuel flap unit are faulty
 
Hoses between the EVAP canister and the evaporative emission canister purge regulator valve are faulty
 

 
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