Kia_Sephia_Rio_Spectra_Optima_1998-2006

TroubleCodes (76 of 130)

Print

2.4L L4 VIN 6 Std



Trouble Code: P0300

Random Cylinder Misfire Detected

Trouble Code Conditions: Engine runtime 3 seconds, engine speed change under 1200 rpm, and the PCM detected a random misfire condition in more than one cylinder during the 200 revolution or the 1000 revolution test range. Note: If the misfire is severe, the MIL will flash on/off on the 1st trip!

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

Trouble Code Conditions: Engine runtime 3 seconds, engine speed change under 1200 rpm, and the PCM detected a misfire condition present in one cylinder during the 200 (Catalyst) or 1000 revolution (Emission) test range. Note: If the misfire is severe, the MIL will flash on/off on the 1st trip!

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

Trouble Code Conditions: Engine runtime 3 seconds, engine speed change under 1200 rpm, and the PCM detected a misfire condition present in one cylinder during the 200 (Catalyst) or 1000 revolution (Emission) test range. Note: If the misfire is severe, the MIL will flash on/off on the 1st trip!

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

Trouble Code Conditions: Engine runtime 3 seconds, engine speed change under 1200 rpm, and the PCM detected a misfire condition present in one cylinder during the 200 (Catalyst) or 1000 revolution (Emission) test range. Note: If the misfire is severe, the MIL will flash on/off on the 1st trip!

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

Trouble Code Conditions: Engine runtime 3 seconds, engine speed change under 1200 rpm, and the PCM detected a misfire condition present in one cylinder during the 200 (Catalyst) or 1000 revolution (Emission) test range. Note: If the misfire is severe, the MIL will flash on/off on the 1st trip!

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

Trouble Code Conditions: Engine runtime 3 seconds, engine speed change under 1200 rpm, and the PCM detected a misfire condition present in one cylinder during the 200 (Catalyst) or 1000 revolution (Emission) test range. Note: If the misfire is severe, the MIL will flash on/off on the 1st trip!

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

Trouble Code Conditions: Engine runtime 3 seconds, engine speed change under 1200 rpm, and the PCM detected a misfire condition present in one cylinder during the 200 (Catalyst) or 1000 revolution (Emission) test range. Note: If the misfire is severe, the MIL will flash on/off on the 1st trip!

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: P0315

Segment Time Acquisition Incorrect

Trouble Code Conditions: A misfire induces a decrease in the engine speed and causes a variation in the segment period. Monitor segment time adaptation.

Possible Causes:



Improperly installed target wheel
 
Contact resistance in connectors
 
Faulty PCM
 
Faulty CKPS
 

Trouble Code: P0320

Ignition Failure System Circuit Malfunction

Trouble Code Conditions: Engine running and the PCM detected an unexpected circuit condition on the Ignition Failure System circuit to the ignition coil.

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)

Trouble Code Conditions: Engine running at over 1000 rpm for 5 seconds, and the PCM did not detect enough variation in the KS signals (e.g., 0.049 volt).

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: P0330

Knock Sensor Circuit Malfunction (Bank 2)

Trouble Code Conditions: Engine running at over 1000 rpm for 5 seconds, and the PCM did not detect enough variation in the KS signals (e.g., 0.049 volt).

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

Trouble Code Conditions: Engine cranking for 5 seconds, and the PCM did not detect any CKP sensor signals, or the vehicle was driven to a speed over 15.5 mph, and the PCM did not detect any CKP sensor signals for 5 seconds.

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: P0336

Crankshaft Position Sensor Performance

Trouble Code Conditions: Engine running and the PCM detected the number of CKP sensor signals counted (between the reference mark gap) did not equal the Actual number of available teeth (i.e., the CKP signals were out or the normal window" of operation with the CMP sensor signals okay).

Possible Causes:



CKP sensor signal circuit connections loose (intermittent fault)
 
CKP sensor wiring harness has a connection fault (intermittent)
 
CKP to Target Wheel "air gap" is incorrect
 
CKP sensor is damaged or has failed
 

Trouble Code: P0340

Camshaft Position Sensor Circuit Malfunction

Trouble Code Conditions: Engine speed over 600 rpm, and the PCM detected less than one CMP sensor signal was present, condition met for 1.5 seconds.

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: P0341

Camshaft Position Sensor Circuit Malfunction

Trouble Code Conditions: No signal or no signal switching is detected. Crankshaft sensor is normal. Battery voltage is between 10 and 16 volts.

Possible Causes:



Open or short in CMPS circuit
 
Faulty CMPS
 
Faulty PCM
 

Trouble Code: P0342

Camshaft Position Sensor Low Input

Trouble Code Conditions: Engine speed over 600 rpm, and the PCM detected an unexpected low voltage condition on the CMP sensor signal circuit.

Possible Causes:



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

Trouble Code: P0343

Camshaft Position Sensor High Input

Trouble Code Conditions: Engine cranking and the PCM detected the CMP sensor signal was above a threshold value stored in memory during the CCM test.

Possible Causes:



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

Trouble Code Conditions: Engine started, engine running for 4 seconds, and the PCM detected an unexpected voltage condition either the ignition coil primary or on the ignition coil secondary circuit during the CCM test.

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: P0401

Insufficient EGR System Flow Detected

Trouble Code Conditions: Engine started, engine speed from 1000-2000 rpm, ECT sensor more than 176ºF, closed throttle position switch indicating "on", EGR solenoid commanded open for 2 seconds, and the PCM detected too small an amount of change in EGR flow during the EGR test.

Possible Causes:



EGR valve or EGR differential pressure sensor is damaged
 
EGR solenoid valve is damaged or has failed
 
MAP sensor is damaged or out of calibration
 
Leaks or restrictions in these EGR components:
 

Trouble Code: P0403

EGR Solenoid Circuit Malfunction

Trouble Code Conditions: Engine started, system voltage more than 10.0 volts, and the PCM did not detect any solenoid surge voltage (system voltage +2 volts) when the EGR solenoid was cycled from "on" to "off" during the CCM test.

Possible Causes:



EGR solenoid control circuit open or shorted to ground
 
EGR solenoid control circuit shorted to VREF or system power
 
EGR solenoid is damaged or has failed
 
PCM has failed (the EGR solenoid driver may be open/shorted)
 

Trouble Code: P0420

Catalyst Efficiency Below Normal (Bank 1)

Trouble Code Conditions: DTC P0130, P0133, P0134, P0135, P0136, P0139, P0140 and P0141 not set, engine started, engine running in closed loop at a speed of 45-60 mph for 2-3 minutes, and the PCM detected that the rear HO2S and front HO2S voltage amplitudes were too similar.

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 is contaminated with fuel or moisture
 

Trouble Code: P0421

Main Catalyst Efficiency Deterioration (Bank 1)

Trouble Code Conditions: DTC P0136, P0139 and P0140 not set, engine running at 3000 rpm or high in closed loop at 45-60 mph for 140 seconds, and the PCM detected the rear HO2S and front HO2S signals were too similar.

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)

Trouble Code Conditions: DTC P0150, P0154, P0159, P0158, P0160 and P0161 not set, engine started, engine running at 3000 rpm or high in closed loop at 45-60 mph for 140 seconds, and the PCM detected the rear HO2S and front HO2S signals were too similar in the Catalyst Monitor test.

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

Trouble Code Conditions: ECT sensor signal less than158°F at startup, IAT sensor signal more than 9.05°F, system voltage more than 10.9 volts engine runtime 15-20 minutes at cruise speed, then returned to idle speed, VSS indicating 0 mph, load value 2.2 ms, canister load factor less than 4.0, fuel tank pressure less than 0.5" Hg, then after the Idle Control system and Fuel Trim stabilized, the PCM detected a continuous purge condition in the EVAP system during the Purge flow test.

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

Trouble Code Conditions: ECT sensor signal less than158°F at startup, IAT sensor signal more than 9.05°F, system voltage more than 10.9 volts engine runtime 15-20 minutes at cruise speed, then returned to idle speed, VSS indicating 0 mph, load value 2.2 ms, canister load factor less than 4.0, fuel tank pressure less than 0.5" Hg, then after the Idle Control system and Fuel Trim had stabilized, the PCM detected a fuel vapor leak (as small as 0.040") in the EVAP system during the EVAP Leak Test.

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: P0444

EVAP Emission System- Purge Control Valve Circuit Open

Trouble Code Conditions: Engine running. Checking output signals from PCSV every 10 seconds, under detecting condition.

Possible Causes:



Poor connection
 
Open or short to ground in harness
 
PCVS
 
PCM
 

Trouble Code: P0445

EVAP Emission System- Purge Control Valve Circuit Shorted

Trouble Code Conditions: Engine running. Checking output signals from PCSV every 10 seconds, under detecting condition.

Possible Causes:



Poor connection
 
Short to battery in harness
 
PCVS
 
PCM
 

Trouble Code: P0446

EVAP Emission System- Vent Control Circuit

Trouble Code Conditions: CCV stuck open. Time after engine start greater than 600 seconds. Idle speed controller activated. Coolant temperature less than 12 degrees F.

Possible Causes:



Poor connection
 
CCV
 
ECM/PCM
 

Trouble Code: P0447

EVAP Emission System- Vent Control Circuit Open

Trouble Code Conditions: Detects a short to ground or open circuit on vent valve output circuit. No disabling faults present. Engine running.

Possible Causes:



Poor connection
 
Open or short in power circuit
 
Open or short in control circuit
 
CCV
 
ECM/PCM
 

Trouble Code: P0448

EVAP Emission System- Vent Control Circuit Shorted

Trouble Code Conditions: Detects a short to battery on vent valve output circuit. No disabling faults present. Engine running.

Possible Causes:



Poor connection
 
Short to battery in CCV circuit
 
CCV
 
ECM/PCM
 

Trouble Code: P0449

EVAP Emission System- Vent Valve/Solenoid Circuit

Trouble Code Conditions: Circuit continuity check open.

Possible Causes:



Poor connection
 
Open or short to ground in power circuit
 
CCV
 
ECM/PCM
 

Trouble Code: P0451

EVAP Pressure Sensor Performance

Trouble Code Conditions: Engine at idle speed with the vehicle speed indicating 0 mph, then with the EVAP Vent Control solenoid commanded "on", the PCM detected the FTP sensor signal variation was less than 15 mv.

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

Trouble Code Conditions: Key on or engine running and the PCM detected the Fuel Tank Pressure (FTP) sensor signal was less than 0.14 volt during the test.

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

Trouble Code Conditions: Key on or engine running and the PCM detected the Fuel Tank Pressure (FTP) sensor signal was more than 4.90 volts during the test.

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: P0454

EVAP Emission System- Pressure Sensor Intermittent

Trouble Code Conditions: The PCM measures pressure stability in the fuel tank, by means of a sensor for a predetermined duration. If fluctuation is larger than predetermined threshold a DTC is set. Sensor signal noise check.

Possible Causes:



Contact resistance in connectors
 
Faulty FTPS
 
Faulty ECM/PCM
 
Faulty FTPS
 

Trouble Code: P0455

EVAP System Large Leak Detected

Trouble Code Conditions: ECT input at 38-95°F at startup, engine running at a steady throttle at over 6.2 mph for over 2 minutes, and the PCM detected the FTP sensor signal indicated more than -15 kPa in the EVAP Leak test.

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

Trouble Code Conditions: ECT input at 38-95°F at startup, vehicle driven at a steady speed of over 6.2 mph for 2 minutes, and then the PCM detected a very small leak (less than 0.020") in the EVAP system during the Leak test.

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

Trouble Code Conditions: Engine running and the PCM detected the Fuel Level sensor input did not match the fuel level during the CCM test.

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: P0461

Fuel Level Sensor A Circuit Range/Performance

Trouble Code Conditions: Filtered and unfiltered signal of fuel sensor are monitored.

Possible Causes:



Poor connection
 
Faulty fuel level sensor
 
Faulty PCM
 

Trouble Code: P0462

Fuel Level Sensor Input Low (Sticking)

Trouble Code Conditions: Key on or engine running system voltage more than 10 volts, and the PCM detected the fuel level sensing unit signal was less than 0.2 volt.

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
 

 
label.common.footer.alt.autozoneLogo