Kia Sorento 2003-05

3.5L V6 - Auto 2

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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: 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: 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



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: P0205



Cylinder 5 Injector Circuit Malfunction

Possible Causes:



Main relay power supply circuit to the injector is open
 
Fuel injector 5 control circuit is open or shorted to ground
 
Fuel injector 5 is damaged or has failed
 
Injector "driver" circuit in the PCM is damaged or has failed
 

Trouble Code: P0206



Cylinder 6 Injector Circuit Malfunction

Possible Causes:



Main relay power supply circuit to the injector is open
 
Fuel injector 6 control circuit is open or shorted to ground
 
Fuel injector 6 is damaged or has failed
 
Injector "driver" circuit in the PCM is damaged or has failed
 

Trouble Code: P0300



Random Cylinder Misfire Detected

Possible Causes:



Vehicle driven under low fuel condition (less than 1/8 of a tank)
 
CKP or CMP sensor signal erratic or out of phase
 
Base engine problem affecting two or more engine cylinders
 
Ignition system problem affecting two or more engine cylinders
 

Trouble Code: P0301



Cylinder 1 Misfire Detected

Possible Causes:



Fuel metering (fuel injector dirty) problem affecting Cylinder 1
 
Base engine (compression) problem affecting Cylinder 1
 
Ignition system (spark plug or plug wire) problem on Cylinder 1
 

Trouble Code: P0302



Cylinder 2 Misfire Detected

Possible Causes:



Fuel metering (fuel injector dirty) problem affecting Cylinder 2
 
Base engine (compression) problem affecting Cylinder 2
 
Ignition system (spark plug or plug wire) problem on Cylinder 2
 

Trouble Code: P0303



Cylinder 3 Misfire Detected

Possible Causes:



Fuel metering (fuel injector dirty) problem affecting Cylinder 3
 
Base engine (compression) problem affecting Cylinder 3
 
Ignition system (spark plug or plug wire) problem on Cylinder 3
 

Trouble Code: P0304



Cylinder 4 Misfire Detected

Possible Causes:



Fuel metering (fuel injector dirty) problem affecting Cylinder 4
 
Base engine (compression) problem affecting Cylinder 4
 
Ignition system (spark plug or plug wire) problem on Cylinder 4
 

Trouble Code: P0305



Cylinder 5 Misfire Detected

Possible Causes:



Fuel metering (fuel injector dirty) problem affecting Cylinder 5
 
Base engine (compression) problem affecting Cylinder 5
 
Ignition system (spark plug or plug wire) problem on Cylinder 5
 

Trouble Code: P0306



Cylinder 6 Misfire Detected

Possible Causes:



Fuel metering (fuel injector dirty) problem affecting Cylinder 6
 
Base engine (compression) problem affecting Cylinder 6
 
Ignition system (spark plug or plug wire) problem on Cylinder 6
 

Trouble Code: P0320



Ignition Failure System Circuit Malfunction

Possible Causes:



IFS circuit to the PCM is open or shorted to ground
 
IFS ground circuit is open
 
IFS is damaged or has failed
 
PCM has failed
 

Trouble Code: P0325



Knock Sensor Circuit Malfunction (Bank 1)

Possible Causes:



Knock sensor signal circuit open or shorted to ground
 
Knock sensor signal circuit shorted to VREF or system power
 
Knock sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0335



Crankshaft Position Sensor Circuit Malfunction

Possible Causes:



CKP sensor signal circuit open or shorted to ground
 
CKP sensor signal circuit shorted to VREF or system power
 
CKP sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0340



Camshaft Position Sensor Circuit Malfunction

Possible Causes:



CMP sensor signal circuit is open or shorted to ground
 
CMP sensor signal circuit is shorted to VREF or system power
 
CMP sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0350



Ignition Coil Primary/Secondary Circuit Malfunction

Possible Causes:



Ignition coil primary circuit open or shorted together
 
Ignition coil secondary components (coil or plug wires) arching
 
Ignition coil is damaged or has failed
 
PCM has failed
 

Trouble Code: P0421



Main Catalyst Efficiency Deterioration (Bank 1)

Possible Causes:



Air leaks at the exhaust manifold or in the exhaust pipes
 
Catalytic converter is damaged or has failed
 
Front HO2S or rear HO2S is contaminated with fuel or moisture
 
Front HO2S or rear HO2S heater is damaged or has failed
 
Front HO2S or rear HO2S is contaminated with fuel or moisture
 

Trouble Code: P0431



Main Catalyst Efficiency Deterioration (Bank 2)

Possible Causes:



Air leaks at the exhaust manifold or in the exhaust pipes
 
Catalytic converter is damaged or has failed
 
Front HO2S or rear HO2S is contaminated with fuel or moisture
 
Front HO2S or rear HO2S heater is damaged or has failed
 
Front HO2S or rear HO2S is contaminated with fuel or moisture
 

Trouble Code: P0441



EVAP System Malfunction

Possible Causes:



Small hoses or cuts present in the EVAP vapor hoses/lines
 
EVAP canister purge solenoid is damaged or is stuck open
 
PCM has failed
 

Trouble Code: P0442



EVAP System Small Leak (0.040") Detected

Possible Causes:



Fuel filler cap damaged, cross-threaded or loosely installed
 
Small leaks or cuts present in the EVAP vapor hoses/lines
 
EVAP purge valve is damaged or has failed
 
PCM has failed
 

Trouble Code: P0443



EVAP Purge Control Valve Circuit Malfunction

Possible Causes:



Injector Fuse (B+) open to the Purge solenoid power circuit
 
Purge control solenoid control circuit is open or grounded
 
Purge control solenoid circuit is shorted to system power (B+)
 
Purge control solenoid is damaged or has failed
 
PCM has failed (Purge solenoid driver may be open or shorted)
 

Trouble Code: P0446



EVAP Emission System- Vent Control Circuit

Possible Causes:



Poor connection
 
CCV
 
ECM/PCM
 

Trouble Code: P0451



EVAP Pressure Sensor Performance

Possible Causes:



FTP sensor signal or ground circuit has high resistance
 
FTP sensor is damaged or out of calibration
 
EVAP canister close valve (CCV) is stuck closed
 
PCM has failed
 

Trouble Code: P0452



EVAP Pressure Sensor Circuit Low Input

Possible Causes:



FTP sensor signal circuit is shorted to ground
 
FTP sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0453



EVAP Pressure Sensor Circuit High Input

Possible Causes:



FTP sensor signal circuit is open
 
FTP sensor ground circuit is open
 
FTP sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0455



EVAP System Large Leak Detected

Possible Causes:



Fuel filler cap damaged, cross-threaded or loosely installed
 
Small leaks or cuts present in the EVAP vapor hoses/lines
 
EVAP purge valve is damaged or has failed
 
PCM has failed
 

Trouble Code: P0456



EVAP System Very Small Leak (0.020") Detected

Possible Causes:



Fuel filler is damaged, cross-threaded, loose or missing
 
Fuel filler pipe is damaged, or a fuel vapor hose is leaking
 
Rollover valve or ORVR (valve) had failed allowing fuel in lines
 
Canister close valve clogged or stuck in open or closed position
 
Purge solenoid valve is damaged or installed improperly
 
FTP sensor is damaged or has failed
 
Leaks in the charcoal canister, or at the fuel tank seals
 

Trouble Code: P0460



Fuel Level Sensor Circuit Malfunction

Possible Causes:



Empty fuel tank, or the fuel level indicator mechanism is stuck
 
Fuel gauge incorrectly installed
 
Fuel level indicator signal circuit is open or shorted to ground
 
Fuel tank has been overfilled, or fuel level indicator is damaged
 
PCM has failed
 

Trouble Code: P0463



Fuel Level Sensor Input High (Sticking)

Possible Causes:



Fuel level sending unit signal circuit shorted to VREF
 
Fuel level sending unit signal circuit shorted to system power
 
Fuel level sensing unit is damaged or the fuel tank is damaged
 
BCM or PCM has failed
 

Trouble Code: P0500



Vehicle Speed Sensor Circuit Malfunction

Possible Causes:



VSS signal circuit is open or shorted to ground
 
VSS signal circuit is shorted to VREF or to system power (B+)
 
VSS is damaged or has failed
 
PCM has failed
 

Trouble Code: P0506



Idle Speed Lower Than Expected

Possible Causes:



High resistance between the main relay and IAC valve
 
High resistance between PCM and IAC valve control circuits
 
IAC valve is damaged or has failed
 
The throttle plate is carbon fouled (it may need to be cleaned)
 

 
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