Kia Sportage 2005-06

2.7L V6 - Std 2

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Trouble Code: P0137



HO2S-12 (Bank 1 Sensor 2) Circuit Low Input

Possible Causes:



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

Trouble Code: P0138



HO2S-12 (Bank 1 Sensor 2) Circuit High Input

Possible Causes:



HO2S signal tracking (wet/oily) in connector causing a short
 
HO2S signal circuit shorted to VREF or system power (B+)
 
HO2S signal circuit is open, or the ground circuit is open
 
HO2S heater supply voltage is open or the HO2S has failed
 
PCM has failed
 

Trouble Code: P0139



HO2S-12 (Bank 1 Sensor 2) Slow Response

Possible Causes:



Exhaust leak present in the exhaust manifold or exhaust pipes
 
Front HO2S failed, or front & rear HO2S connections reversed
 
HO2S has deteriorated, is contaminated or has failed
 

Trouble Code: P0140



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

Possible Causes:



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

Trouble Code: P0141



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

Possible Causes:



HO2S power feed circuit from the Main Relay is open
 
HO2S heater control circuit is open
 
HO2S heater element has high resistance, is shorted or open
 
HO2S heater is damaged or has failed
 
PCM has failed
 

Trouble Code: P0151



HO2S Circuit Low Voltage (Bank 2 Sensor 1)

Possible Causes:



Poor connection
 
Short to ground in harness
 
Faulty PCM
 
HO2S has deteriorated, is contaminated or has failed
 

Trouble Code: P0152



HO2S-21 (Bank 2 Sensor 1) Circuit Malfunction

Possible Causes:



HO2S signal circuit open or shorted to ground
 
HO2S signal circuit is shorted to VREF or to system power (B+)
 
HO2S is damaged or 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 has deteriorated, is contaminated or has failed
 
PCM has failed
 

Trouble Code: P0156



HO2S-22 (Bank 2 Sensor 2) Circuit Malfunction

Possible Causes:



HO2S signal circuit open between the HO2S and the PCM
 
HO2S signal circuit shorted to ground between HO2S and PCM
 
HO2S is damaged or 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) Slow Response

Possible Causes:



Exhaust leak present in the exhaust manifold or exhaust pipes
 
Front HO2S failed, or front & rear HO2S connections reversed
 
HO2S has deteriorated, is contaminated or has failed
 

Trouble Code: P0160



HO2S-22 (Bank 2 Sensor 2) Circuit Malfunction

Possible Causes:



HO2S signal circuit is shorted to VREF or to the Heater power
 
HO2S signal circuit is shorted to system power (B+)
 
HO2S is damaged or has failed
 
PCM has failed
 

Trouble Code: P0170



Fuel System Too Rich or Too Lean (Bank 1)

Possible Causes:



Air leaks present in the exhaust manifold or exhaust pipes
 
Air being drawn in from leaks in engine gaskets or other seals
 
Incorrect fuel pressure, or one or more fuel injectors has failed
 
Front HO2S element is contaminated or has failed
 
A "fuel control" sensor is out of calibration (BARO, ECT or IAT)
 

Trouble Code: P0171



Fuel System Too Lean (Bank 1)

Possible Causes:



Air leaks in intake manifold, exhaust pipes or exhaust manifold
 
One or more injectors restricted or pressure regulator has failed
 
Air is being drawn in from leaks in gaskets or other seals
 
O2S element is deteriorated or has failed
 
A "fuel control" sensor is out of calibration (ECT, IAT or MAP)
 

Trouble Code: P0172



Fuel System Too Rich (Bank 1)

Possible Causes:



One or more injectors leaking or pressure regulator is leaking
 
O2S element is deteriorated or has failed
 
EVAP vapor recovery system has failed (canister full of fuel)
 
Base engine fault (i.e., cam timing incorrect, engine oil too high
 
A "fuel control" sensor is out of calibration (ECT, IAT or MAP)
 

Trouble Code: P0173



Fuel Trim Too Rich or Too Lean (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: P0174



Fuel System Too Lean (Bank 2)

Possible Causes:



Air leaks in intake manifold, exhaust pipes or exhaust manifold
 
One or more injectors restricted or pressure regulator has failed
 
Air is being drawn in from leaks in gaskets or other seals
 
O2S element is deteriorated or has failed
 
A "fuel control" sensor is out of calibration (ECT, IAT or MAP)
 

Trouble Code: P0175



Fuel System Too Rich (Bank 1)

Possible Causes:



One or more injectors leaking or pressure regulator is leaking
 
O2S element is deteriorated or has failed
 
EVAP vapor recovery system has failed (canister full of fuel)
 
Base engine fault (i.e., cam timing incorrect, engine oil too high
 
A "fuel control" sensor is out of calibration (ECT, IAT or MAP)
 

Trouble Code: P0196



Engine Oil temperature Sensor Range/Performance

Possible Causes:



Contact resistance in connectors
 
faulty OTS
 

Trouble Code: P0197



Engine Oil temperature Sensor Low Input

Possible Causes:



Short circuit to ground
 
Contact resistance in connectors
 
faulty OTS
 

Trouble Code: P0198



Engine Oil temperature Sensor High Input

Possible Causes:



Open circuit to battery
 
Contact resistance in connectors
 
faulty OTS
 

Trouble Code: P0201



Cylinder 1 Injector Circuit Malfunction

Possible Causes:



Main relay power supply circuit to the injector is open
 
Fuel injector 1 control circuit is open or shorted to ground
 
Fuel injector 1 is damaged or has failed
 
Injector "driver" circuit in the PCM is damaged or has failed
 

Trouble Code: P0202



Cylinder 2 Injector Circuit Malfunction

Possible Causes:



Main relay power supply circuit to the injector is open
 
Fuel injector 2 control circuit is open or shorted to ground
 
Fuel injector 2 is damaged or has failed
 
Injector "driver" circuit in the PCM is damaged or has failed
 

Trouble Code: P0203



Cylinder 3 Injector Circuit Malfunction

Possible Causes:



Main relay power supply circuit to the injector is open
 
Fuel injector 3 control circuit is open or shorted to ground
 
Fuel injector 3 is damaged or has failed
 
Injector "driver" circuit in the PCM is damaged or has failed
 

Trouble Code: P0204



Cylinder 4 Injector Circuit Malfunction

Possible Causes:



Main relay power supply circuit to the injector is open
 
Fuel injector 4 control circuit is open or shorted to ground
 
Fuel injector 4 is damaged or has failed
 
Injector "driver" circuit in the PCM is damaged or has failed
 

Trouble Code: P0230



Fuel Pump Circuit Malfunction

Possible Causes:



Fuel pump control circuit is open or shorted to ground
 
Fuel pump relay power circuit from ignition switch is open
 
Fuel pump relay is damaged or has failed
 
PCM has failed
 

Trouble Code: P0261



Fuel Injector 1 Circuit Low Input

Possible Causes:



Main relay power supply circuit to the injector is open
 
Fuel injector 1 control circuit is shorted to ground
 
Fuel injector 1 is damaged or has failed
 
Injector "driver" circuit in the PCM is damaged or has failed
 

Trouble Code: P0262



Fuel Injector 1 Circuit High Input

Possible Causes:



Fuel injector 1 control circuit is shorted to system power (B+)
 
Fuel injector 1 is damaged or has failed
 
Injector 1 "driver" circuit in the PCM is damaged or has failed
 

Trouble Code: P0264



Fuel Injector 2 Circuit Low Input

Possible Causes:



Main relay power supply circuit to the injector is open
 
Fuel injector 2 control circuit is shorted to ground
 
Fuel injector 2 is damaged or has failed
 
Injector 2 "driver" circuit in the PCM is damaged or has failed
 

Trouble Code: P0265



Fuel Injector 2 Circuit High Input

Possible Causes:



Fuel injector 2 control circuit is shorted to system power (B+)
 
Fuel injector 2 is damaged or has failed
 
Injector 2 "driver" circuit in the PCM is damaged or has failed
 

Trouble Code: P0267



Fuel Injector 3 Circuit Low Input

Possible Causes:



Main relay power supply circuit to the injector is open
 
Fuel injector 3 control circuit is shorted to ground
 
Fuel injector 3 is damaged or has failed
 
Injector 3 "driver" circuit in the PCM is damaged or has failed
 

Trouble Code: P0268



Fuel Injector 3 Circuit High Input

Possible Causes:



Fuel injector 3 control circuit is shorted to system power (B+)
 
Fuel injector 3 is damaged or has failed
 
Injector 3 "driver" circuit in the PCM is damaged or has failed
 

Trouble Code: P0270



Fuel Injector 4 Circuit Low Input

Possible Causes:



Fuel injector 4 control circuit is shorted to system power (B+)
 
Fuel injector 4 is damaged or has failed
 
Injector 4 "driver" circuit in the PCM is damaged or has failed
 

Trouble Code: P0271



Fuel Injector 4 Circuit High Input

Possible Causes:



Fuel injector 4 control circuit is shorted to system power (B+)
 
Fuel injector 4 is damaged or has failed
 
Injector 4 "driver" circuit in the PCM is damaged or has failed
 

Trouble Code: P0273



Cylinder 5- Injector Circuit Low

Possible Causes:



Open in power supply harness
 
Short to ground in control harness
 
Contact resistance in connectors
 
Faulty injector
 

Trouble Code: P0274



Cylinder 5- Injector Circuit High

Possible Causes:



Open or short to battery control harness
 
Contact resistance in connectors
 
Faulty injector
 

Trouble Code: P0276



Cylinder 6- Injector Circuit Low

Possible Causes:



Open in power supply harness
 
Short to ground in control harness
 
Contact resistance in connectors
 
Faulty injector
 

Trouble Code: P0277



Cylinder 6- Injector Circuit High

Possible Causes:



Open or short to battery control harness
 
Contact resistance in connectors
 
Faulty injector
 

 
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