Subaru IMPREZA GD 2007 Series Manual page 1698

asieps_tobira_IM_US.book 367 ページ ２０１２年１月１７日 火曜日 午後３時４８分
Symptom
7. Spark knock
8. After burning in exhaust system
*1: Check ignition coil and spark plug.
*2: Indicate the symptom occurring only in cold temperatures.
*3: Ensure the secure installation.
*4: Check fuel injector, fuel pressure regulator and fuel filter.
*5: Inspect air leak in air intake system.
General Diagnostic Table
Problem parts
1) Manifold absolute pressure sensor
2) Mass air flow and intake air temperature sensor
3) Engine coolant temperature sensor
4) Knock sensor
5) Fuel injection parts (*4)
6) Fuel pump and fuel pump relay
1) Manifold absolute pressure sensor
2) Mass air flow and intake air temperature sensor
3) Engine coolant temperature sensor (*2)
4) Fuel injection parts (*4)
5) Fuel pump and fuel pump relay
EN(STI)(diag)-367
ENGINE (DIAGNOSTICS)