Subaru Car 1998-05

2.5L H4 - Std 8

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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
 

Trouble Code: P1702



Automatic Transmission diagnosis Input Signal Circuit Malfunction

Possible Causes:



Check harness between TCM and CCM
 

Trouble Code: P1711



Engine Torque Control Signal No. 1 Circuit Malfunction

Possible Causes:



Check input signal for ECM
 
Check poor contact
 
Check harness between ECM and TCM connector
 

Trouble Code: P1712



Engine Torque Control Signal No. 2 Circuit Malfunction

Possible Causes:



Check input signal for ECM
 
Check poor contact
 
Check harness between ECM and TCM connector
 

 
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