Year - 1993 - 1994
Model - Impreza
11
CKP Sensor
Harness and connector. If OK, replace the CKP
12
Starter switch
Harness and connector. If OK, replace the starter switch
13
CMP sensor
Harness and connector. If OK, replace the CMP
14
Fuel iniector No.1
Harness and connector. If OK, replace the fuel injector
15
Fuel iniector No.2
Harness and connector. If OK, replace the fuel injector
16
Fuel iniector No.3
Harness and connector. If OK, replace the fuel injector
17
Fuel iniector No.4
Harness and connector. If OK, replace the fuel injector
21
ECT sensor
Harness and connector. If OK, replace the ECT sensor
23
MAF sensor
MAF sensor
24
IAC valve
IAC valve
31
Throttle position sensor
Harness and connector. If OK, replace the TPS
32
Oxygen sensor
Harness and connector/heated oxygen sensor/fuel pressure/injectors/intake air leaks
33
Vehicle speed sensor 2
Harness and connector. If OK, replace the VSS
34
EGR solenoid valve
Harness and connector. If OK, replace the EGR solenoid valve
35
EVAP purge valve
Harness and connector. If OK, replace the EVAP purge valve
36
Air suction solenoid valve
Harness and connector. If OK, replace the air suction solenoid valve
41
Fuel trim
Check harness and air temperature sensor
51
Neutral switch (MT)
Injector connections and injection circuit
51
Inhibitor switch (AT)
Injector connections and injection circuit
55
EGR gas temperarure sensor
Harness and connector. If OK, replace the EGR temperature sensor
56
EGR system
EGR valve, operation and passages for blockage
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