Subaru Car 1998-05

2.5L H4 - Auto 8

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Trouble Code: P2227



Barometric Pressure Circuit Range/Performance

Possible Causes:



Check any other DTC on display
 

Trouble Code: P2228



Barometric Pressure Circuit Low Input

Possible Causes:



Check any other DTC on display
 

Trouble Code: P2229



Barometric Pressure Circuit High Input

Possible Causes:



Check any other DTC on display
 

Trouble Code: P0011



Intake Camshaft Position Timing (over advanced) Bank 1

Possible Causes:



Check any other DTC on display
 
Using a scan tool, check current data. Check AVCS system.
 
Oil pipe clog
 
Clogged oil flow control solenoid valve
 
Intake camshaft damaged
 
Timing chain problem
 

Trouble Code: P0016



Crankshaft Position (camshaft position correlation) Bank 1

Possible Causes:



Check any other DTC on display
 
Using a scan tool, check current data. Check AVCS system.
 
Oil pipe clog
 
Clogged oil flow control solenoid valve
 
Intake camshaft damaged
 
Timing chain problem
 

Trouble Code: P0018



Crankshaft Position (camshaft position correlation) Bank 2

Possible Causes:



Check any other DTC on display
 
Using a scan tool, check current data. Check AVCS system.
 
Oil pipe clog
 
Clogged oil flow control solenoid valve
 
Intake camshaft damaged
 
Timing chain problem
 

Trouble Code: P0021



Intake Camshaft Position Timing (over advanced) Bank 2

Possible Causes:



Check any other DTC on display
 
Using a scan tool, check current data. Check AVCS system.
 
Oil pipe clog
 
Clogged oil flow control solenoid valve
 
Dirty engine oil
 
Intake camshaft damaged
 
Timing chain problem
 

Trouble Code: P0107



Manifold Absolute Pressure/Barometric Pressure Circuit Low Input

Possible Causes:



Using a scan tool, check current data
 
Check poor contact
 
Check output signal of ECM
 
Check input signal of ECM
 
Check harness between ECM and sensor connector
 

Trouble Code: P0108



Manifold Absolute Pressure/Barometric Pressure Circuit Low Input

Possible Causes:



Check output signal of ECM
 
Check input signal of ECM
 
Check harness between ECM and sensor connector
 
Check harness between the sensor connector
 
Check poor contact
 

Trouble Code: P0171



System Too Lean Bank 1

Possible Causes:



Check any other DTC on display
 
Check exhaust system
 
Check air intake system
 
Check fuel pressure
 
Check fuel injector
 
Check coolant temperature
 
Check intake manifold pressure sensor
 
Check intake air temperature sensor
 

Trouble Code: P0172



System Too Rich Bank 1

Possible Causes:



Check any other DTC on display
 
Check exhaust system
 
Check air intake system
 
Check fuel pressure
 
Check fuel injector
 
Check coolant temperature
 
Check intake manifold pressure sensor
 
Check intake air temperature sensor
 

Trouble Code: P0196



Engine Oil Temperature Sensor Circuit Range/Performance

Possible Causes:



Check any other DTC on display
 

Trouble Code: P0261



Fuel Injector Circuit Low Input No. 1

Possible Causes:



Check output signal from ECM
 
Check harness between injector and ECM connector
 
Check fuel injector
 
Check power supply line
 

Trouble Code: P0262



Fuel Injector Circuit High Input No. 1

Possible Causes:



Check output signal from ECM
 
Check harness between injector and ECM connector
 
Check any other DTC on display
 
Using a scan tool, check current data
 
Check air intake system
 
Check for misfire
 

Trouble Code: P0264



Fuel Injector Circuit Low Input No. 2

Possible Causes:



Check output signal from ECM
 
Check harness between injector and ECM connector
 
Check fuel injector
 
Check power supply line
 

Trouble Code: P0265



Fuel Injector Circuit High Input No. 2

Possible Causes:



Check output signal from ECM
 
Check harness between injector and ECM connector
 
Check any other DTC on display
 
Using a scan tool, check current data
 
Check air intake system
 
Check for misfire
 

Trouble Code: P0267



Fuel Injector Circuit Low Input No. 3

Possible Causes:



Check output signal from ECM
 
Check harness between injector and ECM connector
 
Check fuel injector
 
Check power supply line
 

Trouble Code: P0268



Fuel Injector Circuit High Input No. 3

Possible Causes:



Check output signal from ECM
 
Check harness between injector and ECM connector
 
Check any other DTC on display
 
Using a scan tool, check current data
 
Check air intake system
 
Check for misfire
 

Trouble Code: P0270



Fuel Injector Circuit Low Input No. 4

Possible Causes:



Check output signal from ECM
 
Check harness between injector and ECM connector
 
Check fuel injector
 
Check power supply line
 

Trouble Code: P0271



Fuel Injector Circuit High Input No. 4

Possible Causes:



Check output signal from ECM
 
Check harness between injector and ECM connector
 
Check any other DTC on display
 
Using a scan tool, check current data
 
Check air intake system
 
Check for misfire
 

Trouble Code: P0451



Evaporative Emission Control System Pressure Sensor Malfunction

Possible Causes:



Check any other DTC on display
 
Check fuel filler cap
 
Check pressure vacuum line
 

Trouble Code: P1301



Misfire Detected (high temperature exhaust gas)

Possible Causes:



Check any other DTC on display
 
Using a scan tool, check current data
 

Trouble Code: P1312



Exhaust Gas Temperature Sensor malfunction

Possible Causes:



Check any other DTC on display
 
Using a scan tool, check current data
 

Trouble Code: P1445



Air Assist Injector Solenoid Valve malfunction

Possible Causes:



Check any other DTC on display
 
Check air assist injector solenoid valve operation
 
Check air by passes hoses
 
Check fuel injector
 

Trouble Code: P1492



EGR Solenoid Valve Signal No. 1 Circuit Malfunction (low input)

Possible Causes:



Check power supply to EGR solenoid
 
Check harness between ECM and EGR solenoid valve connector
 
Check poor contact
 

Trouble Code: P1493



EGR Solenoid Valve Signal No. 1 Circuit Malfunction (high input)

Possible Causes:



Check other DTC on display
 
Check harness between ECM and EGR solenoid valve connector
 

Trouble Code: P1494



EGR Solenoid Valve Signal No. 2 Circuit Malfunction (low input)

Possible Causes:



Check power supply to EGR solenoid
 
Check harness between ECM and EGR solenoid valve connector
 
Check poor contact
 

Trouble Code: P1495



EGR Solenoid Valve Signal No. 2 Circuit Malfunction (high input)

Possible Causes:



Check other DTC on display
 
Check harness between ECM and EGR solenoid valve connector
 

Trouble Code: P1496



EGR Solenoid Valve Signal No. 3 Circuit Malfunction (low input)

Possible Causes:



Check power supply to EGR solenoid
 
Check harness between ECM and EGR solenoid valve connector
 
Check poor contact
 

Trouble Code: P1497



EGR Solenoid Valve Signal No. 3 Circuit Malfunction (high input)

Possible Causes:



Check other DTC on display
 
Check harness between ECM and EGR solenoid valve connector
 

Trouble Code: P1498



EGR Solenoid Valve Signal No. 4 Circuit Malfunction (low input)

Possible Causes:



Check power supply to EGR solenoid
 
Check harness between ECM and EGR solenoid valve connector
 
Check poor contact
 

Trouble Code: P1499



EGR Solenoid Valve Signal No. 4 Circuit Malfunction (high input)

Possible Causes:



Check other DTC on display
 
Check harness between ECM and EGR solenoid valve connector
 

Trouble Code: P1510



ISC Solenoid Valve Signal No. 1 Circuit Malfunction (low input)

Possible Causes:



Check power supply to idle air control solenoid valve
 
Check harness between ECM and idle control solenoid valve connector
 
Check poor contact
 

Trouble Code: P1511



ISC Solenoid Valve Signal No. 1 Circuit Malfunction (high input)

Possible Causes:



Check any other DTC on display
 
Check ground circuit for ECM
 
Check harness between ECM and idle control solenoid valve connector
 

Trouble Code: P1512



ISC Solenoid Valve Signal No. 2 Circuit Malfunction (low input)

Possible Causes:



Check power supply to idle air control solenoid valve
 
Check harness between ECM and idle control solenoid valve connector
 
Check poor contact
 

Trouble Code: P1513



ISC Solenoid Valve Signal No. 2 Circuit Malfunction (high input)

Possible Causes:



Check any other DTC on display
 
Check ground circuit for ECM
 
Check harness between ECM and idle control solenoid valve connector
 

Trouble Code: P1514



ISC Solenoid Valve Signal No. 3 Circuit Malfunction (low input)

Possible Causes:



Check power supply to idle air control solenoid valve
 
Check harness between ECM and idle control solenoid valve connector
 
Check poor contact
 

Trouble Code: P1515



ISC Solenoid Valve Signal No. 3 Circuit Malfunction (high input)

Possible Causes:



Check any other DTC on display
 
Check ground circuit for ECM
 
Check harness between ECM and idle control solenoid valve connector
 

Trouble Code: P1516



ISC Solenoid Valve Signal No. 4 Circuit Malfunction (low input)

Possible Causes:



Check power supply to idle air control solenoid valve
 
Check harness between ECM and idle control solenoid valve connector
 
Check poor contact
 

Trouble Code: P1517



ISC Solenoid Valve Signal No. 4 Circuit Malfunction (high input)

Possible Causes:



Check any other DTC on display
 
Check ground circuit for ECM
 
Check harness between ECM and idle control solenoid valve connector
 

 
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