Hyundai Car 1999-05

3.5L V6 - Auto 2

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Trouble Code: P0139



HO2S-12 (Bank 1 Sensor 2) Slow Response

Possible Causes:



HO2S signal circuit is open or shorted to ground
 
HO2S element is contaminated or it has failed
 
HO2S heater is damaged or has failed
 
Intake air leaks, exhaust manifold leaks or PCV system leaks
 
MAF sensor out of calibration (it may be dirty or contaminated)
 

Trouble Code: P0140



HO2S-12 (Bank 1 Sensor 2) Circuit No Activity

Possible Causes:



HO2S signal circuit is open or shorted to ground
 
HO2S element is contaminated, damaged or has failed
 
PCM has failed
 

Trouble Code: P0141



HO2S-12 (Bank 1 Sensor 2) Heater Circuit Malfunction

Possible Causes:



HO2S heater control circuit shorted to ground or system power
 
HO2S heater power circuit is open (check fuse in Engine J/B)
 
HO2S heater is damaged or has failed
 
PCM has failed
 

Trouble Code: P0150



HO2S-21 (Bank 2 Sensor 1) Circuit Malfunction

Possible Causes:



HO2S signal circuit is open between the sensor and the PCM
 
HO2S signal circuit is shorted to sensor or chassis ground
 
HO2S signal circuit is shorted to VREF or system power (B+)
 
HO2S is damaged, contaminated or it has failed
 
PCM has failed
 

Trouble Code: P0153



HO2S-21 (Bank 2 Sensor 1) Slow Response

Possible Causes:



HO2S signal circuit is open or shorted to ground
 
HO2S element is contaminated or it has failed
 
HO2S heater is damaged or has failed
 
Intake air leaks, exhaust manifold leaks or PCV system leaks
 
MAF sensor out of calibration (it may be dirty or contaminated)
 

Trouble Code: P0154



HO2S-21 (Bank 2 Sensor 1) No Activity Detected

Possible Causes:



HO2S signal circuit is open or shorted to ground
 
HO2S element is contaminated or it has failed
 
HO2S heater is damaged or has failed
 
PCM has failed
 

Trouble Code: P0156



HO2S-22 (Bank 2 Sensor 2) Circuit Malfunction

Possible Causes:



HO2S signal circuit is open between the sensor and the PCM
 
HO2S signal circuit is shorted to sensor or chassis ground
 
HO2S signal circuit is shorted to VREF or system power (B+)
 
HO2S is damaged, contaminated or it has failed
 
PCM has failed
 

Trouble Code: P0157



HO2S Circuit Low Voltage (Bank 2 Sensor 2)

Possible Causes:



Poor connection
 
Short to ground in HO2S circuit
 
Faulty HO2S
 
Faulty PCM
 

Trouble Code: P0158



HO2S Circuit High Voltage (Bank 2 Sensor 2)

Possible Causes:



Poor connection
 
Short to battery in HO2S circuit
 
Faulty HO2S
 
Faulty PCM
 

Trouble Code: P0159



HO2S-22 (Bank 2 Sensor 2) Rationality Check

Possible Causes:



HO2S signal circuit is open or shorted to ground
 
HO2S element is contaminated or it has failed
 
HO2S heater is damaged or has failed
 
Intake air leaks, exhaust manifold leaks or PCV system leaks
 
MAF sensor out of calibration (it may be dirty or contaminated)
 

Trouble Code: P0160



HO2S-22 (Bank 2 Sensor 2) No Activity Detected

Possible Causes:



HO2S signal circuit is open or shorted to ground
 
HO2S element is contaminated or it has failed
 
HO2S heater is damaged or has failed
 
PCM has failed
 

Trouble Code: P0161



HO2S-22 (Bank 2 Sensor 2) Heater Circuit Malfunction

Possible Causes:



HO2S heater control circuit is open or shorted to ground
 
HO2S heater control circuit is shorted to power
 
HO2S heater power circuit is open (check fuse in Engine J/B)
 
HO2S heater is damaged or has failed
 
PCM has failed
 

Trouble Code: P0171



Fuel System Too Lean (Bank 1)

Possible Causes:



Air leaks after the MAF sensor, or in the EGR or PCV system
 
Base engine "mechanical" fault affecting one or more cylinders
 
Exhaust leaks located in front of the A/FS or HO2S location
 
Fuel control sensor is out of calibration (i.e., ECT, IAT or MAP)
 
Fuel delivery system supplying too little fuel during cruise or idle periods (e.g., faulty fuel pump or dirty, restricted fuel filter)
 
Fuel injector (one or more) dirty or pressure regulator has failed
 
HO2S is contaminated, deteriorated or it has failed
 
Vehicle driven low on fuel or until it ran out of fuel
 

Trouble Code: P0172



Fuel System Too Rich (Bank 1)

Possible Causes:



Base engine "mechanical" fault affecting one or more cylinders
 
EVAP system component has failed or canister fuel saturated
 
Exhaust leaks located in front of the HO2S location
 
Fuel control sensor is out of calibration (i.e., ECT, IAT or MAF)
 
Fuel delivery system supplying too much fuel during cruise or idle periods (e.g., faulty fuel pump, or faulty pressure regulator)
 
Fuel injector(s) is leaking or stuck partially open (one or more)
 
HO2S is contaminated, deteriorated or it has failed
 

Trouble Code: P0174



Fuel System Too Lean (Bank 2)

Possible Causes:



Air leaks after the MAF sensor, or in the EGR or PCV system
 
Base engine "mechanical" fault affecting one or more cylinders
 
Exhaust leaks located in front of the A/FS or HO2S location
 
Fuel control sensor is out of calibration (i.e., ECT, IAT or MAP)
 
Fuel delivery system supplying too little fuel during cruise or idle periods (e.g., faulty fuel pump or dirty, restricted fuel filter)
 
Fuel injector (one or more) dirty or pressure regulator has failed
 
HO2S is contaminated, deteriorated or it has failed
 
Vehicle driven low on fuel or until it ran out of fuel
 

Trouble Code: P0175



Fuel System Too Rich (Bank 2)

Possible Causes:



Base engine "mechanical" fault affecting one or more cylinders
 
EVAP system component has failed or canister fuel saturated
 
Exhaust leaks located in front of the HO2S location
 
Fuel control sensor is out of calibration (i.e., ECT, IAT or MAF)
 
Fuel delivery system supplying too much fuel during cruise or idle periods (e.g., faulty fuel pump, or faulty pressure regulator)
 
Fuel injector(s) is leaking or stuck partially open (one or more)
 
HO2S is contaminated, deteriorated or it has failed
 

Trouble Code: P0181



Fuel Temperature Sensor -A- Circuit Range/Performance

Possible Causes:



Poor connection
 
Faulty fuel temperature sensor
 
Faulty PCM
 

Trouble Code: P0182



Fuel Temperature Sensor -A- Circuit Low Input

Possible Causes:



Poor connection
 
Short to ground in fuel temperature sensor circuit
 
Faulty fuel temperature sensor
 
Faulty PCM
 

Trouble Code: P0183



Fuel Temperature Sensor -A- Circuit High Input

Possible Causes:



Poor connection
 
Open in fuel temperature sensor circuit
 
Faulty fuel temperature sensor
 
Faulty PCM
 

Trouble Code: P0201



Fuel Injector 1 Circuit Malfunction

Possible Causes:



Injector 1 control circuit open or grounded
 
Injector 1 control circuit shorted to system power
 
Injector 1 power (B+) circuit open
 
Injector 1 damaged or has failed
 
PCM has failed
 

Trouble Code: P0202



Fuel Injector 2 Circuit Malfunction

Possible Causes:



Injector 2 control circuit open or grounded
 
Injector 2 control circuit shorted to system power
 
Injector 2 power (B+) circuit open
 
Injector 2 damaged or has failed
 
PCM has failed
 

Trouble Code: P0203



Fuel Injector 3 Circuit Malfunction

Possible Causes:



Injector 3 control circuit open or grounded
 
Injector 3 control circuit shorted to system power
 
Injector 3 power (B+) circuit open
 
Injector 3 damaged or has failed
 
PCM has failed
 

Trouble Code: P0204



Fuel Injector 4 Circuit Malfunction

Possible Causes:



Injector 4 control circuit open or grounded
 
Injector 4 control circuit shorted to system power
 
Injector 4 power (B+) circuit open
 
Injector 4 damaged or has failed
 
PCM has failed
 

Trouble Code: P0205



Fuel Injector 5 Circuit Malfunction

Possible Causes:



Injector 5 control circuit open or grounded
 
Injector 5 control circuit shorted to system power
 
Injector 5 power (B+) circuit open
 
Injector 5 damaged or has failed
 
PCM has failed
 

Trouble Code: P0206



Fuel Injector 6 Circuit Malfunction

Possible Causes:



Injector 6 control circuit open or grounded
 
Injector 6 control circuit shorted to system power
 
Injector 6 power (B+) circuit open
 
Injector 6 damaged or has failed
 
PCM has failed
 

Trouble Code: P0220



Electronic Throttle System Throttle Position Sensor Range/Performance

Possible Causes:



APP sensor signal circuit is open or shorted to ground
 
APP sensor signal circuit is shorted to VREF or system power
 
APP sensor power circuit is open between sensor and the PCM
 
APP sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0222



Throttle/Pedal Position Sensor/Switch -B- Circuit Low Input

Possible Causes:



Poor connection
 
Open or short to ground in TPS circuit
 
Faulty TPS
 
Faulty PCM
 

Trouble Code: P0223



Throttle/Pedal Position Sensor/Switch -B- Circuit High Input

Possible Causes:



Poor connection
 
Open or short to ground in TPS circuit
 
Faulty TPS
 
Faulty PCM
 

Trouble Code: P0224



Throttle Position Sensor/Switch -B- Linearity

Possible Causes:



Poor connection
 
Faulty TPS
 
Faulty PCM
 

Trouble Code: P0300



Multiple Misfire Detected

Possible Causes:



Ignition system or fuel metering fault in 2 or more cylinders
 
Fuel pressure too low or too high, fuel supply contaminated
 
CKP/CMP signals, EVAP canister saturated, EGR valve stuck
 

Trouble Code: P0301



Cylinder 1 Misfire Detected

Possible Causes:



Base engine mechanical fault that affects only one cylinder
 
Fuel metering fault that affects only one cylinder
 
EGR valve is stuck open or the PCV system has a vacuum leak
 
Ignition system fault (i.e., a coil) that affects only one cylinder
 

Trouble Code: P0302



Cylinder 2 Misfire Detected

Possible Causes:



Base engine mechanical fault that affects only one cylinder
 
Fuel metering fault that affects only one cylinder
 
EGR valve is stuck open or the PCV system has a vacuum leak
 
Ignition system fault (i.e., a coil) that affects only one cylinder
 

Trouble Code: P0303



Cylinder 3 Misfire Detected

Possible Causes:



Base engine mechanical fault that affects only one cylinder
 
Fuel metering fault that affects only one cylinder
 
EGR valve is stuck open or the PCV system has a vacuum leak
 
Ignition system fault (i.e., a coil) that affects only one cylinder
 

Trouble Code: P0304



Cylinder 4 Misfire Detected

Possible Causes:



Base engine mechanical fault that affects only one cylinder
 
Fuel metering fault that affects only one cylinder
 
EGR valve is stuck open or the PCV system has a vacuum leak
 
Ignition system fault (i.e., a coil) that affects only one cylinder
 

Trouble Code: P0305



Cylinder 5 Misfire Detected

Possible Causes:



Base engine mechanical fault that affects only one cylinder
 
Fuel metering fault that affects only one cylinder
 
EGR valve is stuck open or the PCV system has a vacuum leak
 
Ignition system fault (i.e., a coil) that affects only one cylinder
 

Trouble Code: P0306



Cylinder 6 Misfire Detected

Possible Causes:



Base engine mechanical fault that affects only one cylinder
 
Fuel metering fault that affects only one cylinder
 
EGR valve is stuck open or the PCV system has a vacuum leak
 
Ignition system fault (i.e., a coil) that affects only one cylinder
 

Trouble Code: P0320



Ignition Failure Sensor Circuit Malfunction

Possible Causes:



Ignition failure sensor circuit is open or shorted to ground
 
Ignition failure sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0325



Knock Sensor 1 Circuit Malfunction

Possible Causes:



KS signal circuit is open, shorted to ground or to system power
 
KS ground circuit is open between sensor and PCM
 
Knock sensor is damaged or it has failed
 
PCM has failed
 

Trouble Code: P0326



Knock Sensor 2 Range/Performance

Possible Causes:



KS signal circuit is open, shorted to ground or to system power
 
Knock sensor is damaged or it has failed (an intermittent fault)
 
PCM has failed
 

Trouble Code: P0330



Knock Sensor 2 Circuit Malfunction

Possible Causes:



KS signal circuit is open, shorted to ground or to system power
 
KS ground circuit is open between sensor and PCM
 
Knock sensor is damaged or it has failed
 
PCM has failed
 

 
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