Kia_Sephia_Rio_Spectra_Optima_1998-2006

TroubleCodes (32 of 130)

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1.8L L4 VIN 1 Std



Trouble Code: P0201

Cylinder 1 Injector Circuit Malfunction

Trouble Code Conditions: Engine running and the PCM detected the identified fuel injector control circuit signal was more than the upper limit, or that it was less than the lower limit, or that no control signal was present.

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

Trouble Code Conditions: Engine running and the PCM detected the identified fuel injector control circuit signal was more than the upper limit, or that it was less than the lower limit, or that no control signal was present.

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

Trouble Code Conditions: Engine running and the PCM detected the identified fuel injector control circuit signal was more than the upper limit, or that it was less than the lower limit, or that no control signal was present.

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

Trouble Code Conditions: Engine running and the PCM detected the identified fuel injector control circuit signal was more than the upper limit, or that it was less than the lower limit, or that no control signal was present.

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: P0261

Fuel Injector 1 Circuit Low Input

Trouble Code Conditions: Engine running and the PCM detected the Injector 1 signal was in a low signal state (0 volt) with the injector commanded off in the test.

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

Trouble Code Conditions: Engine running and the PCM detected the Injector 1 signal was in a high signal state (12 volts) with the injector commanded off in the test.

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

Trouble Code Conditions: Engine running and the PCM detected the Injector 2 signal was in a low signal state (0 volt) with the injector commanded off in the test.

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

Trouble Code Conditions: Engine running and the PCM detected the Injector 2 signal was in a high signal state (12 volts) with the injector commanded off in the test.

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

Trouble Code Conditions: Engine running and the PCM detected the Injector 3 signal was in a low signal state (0 volt) with the injector commanded off in the test.

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

Trouble Code Conditions: Engine running and the PCM detected the Injector 3 signal was in a high signal state (12 volts) with the injector commanded off in the test.

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

Trouble Code Conditions: Engine running and the PCM detected the Injector 4 signal was in a low signal state (0 volt) with the injector commanded off in the test.

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

Trouble Code Conditions: Engine running and the PCM detected the Injector 4 signal was in a high signal state (12 volts) with the injector commanded off in the test.

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: 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: 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: 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: 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: P0422

Catalyst Efficiency Below Normal (Bank 1)

Trouble Code Conditions: DTC P0100, P0102, P0103, P0136, P0139, P0140, P0171 and P0172 not set, engine running in closed loop at 720-2520 rpm, vehicle speed from 45-60 mph for 80 seconds, and the PCM detected the averaged Catalyst malfunction index was higher than the Threshold value for 3 seconds.

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: P0440

EVAP System Malfunction

Trouble Code Conditions: Engine started, ECT sensor signal less than158ºF at startup, IAT sensor signal more than 9.5ºF, system voltage over 10.0 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 hoses or cuts present in the EVAP vapor hoses/lines
 
EVAP purge valve is damaged or has failed
 

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: P0443

EVAP Purge Control Valve Circuit Malfunction

Trouble Code Conditions: Key on or engine running and the PCM detected an unexpected voltage condition on the EVAP Purge Control solenoid circuit.

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: P0445

EVAP Vent Control Circuit Malfunction

Trouble Code Conditions: Key on or engine running and the PCM detected an unexpected voltage condition on the EVAP Vent Control solenoid circuit.

Possible Causes:



Vent control solenoid power circuit from Main Relay is open
 
Vent control solenoid control circuit is open or grounded
 
Vent control solenoid circuit is shorted to system power (B+)
 
Vent control solenoid is damaged or has failed
 
PCM has failed (Vent solenoid driver may be open or shorted)
 

Trouble Code: P0446

EVAP Vent Control Circuit Malfunction

Trouble Code Conditions: Key on or engine running and the PCM detected an unexpected voltage condition on the EVAP Vent Control solenoid circuit.

Possible Causes:



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

Trouble Code: P0450

EVAP Pressure Sensor Circuit Malfunction

Trouble Code Conditions: Key on or engine running and the PCM detected the Fuel Tank Pressure sensor signal was more than 4.9 volts or less than 0.14 volt.

Possible Causes:



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

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: 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: P0463

Fuel Level Sensor Input High (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 more than 4.5 volts.

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: P0501

Vehicle Speed Sensor Performance

Trouble Code Conditions: Engine running in gear at high speed and lover for over 1 second, and the PCM did not detect any VSS signals.

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: P0505

Idle Speed System Malfunction

Trouble Code Conditions: Engine running at idle speed while in closed loop, and the PCM detected the Actual idle speed more than 100-200 rpm above or below the Target idle speed during the test.

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)
 

Trouble Code: P0506

Idle Speed Lower Than Expected

Trouble Code Conditions: Engine running at idle speed while in closed loop, and the PCM detected the Actual idle speed was more than 100 rpm below the Target idle speed during the CCM test.

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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