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1988 MPFI Subaru Trouble Codes
See also: Generic OBD-II Codes - Other Subaru OBD Codes
These codes are for 1988 and later Subaru models with Multi-Point Fuel Injection (MPFI) (including Legacy).
| Code | Description |
|---|---|
| 11 | Crank angle sensor or circuit |
| 12 | Starter switch or circuit |
| 13 | Cam position sensor or circuit (TDC sensor on Justy) |
| 14 | Fuel injector no. 1 (Legacy, Impreza, Justy, SVX); Fuel injector 1 and 2 (XT, Loyale, GL, DL) |
| 15 | Fuel injector no. 2 (Legacy, Impreza, Justy, SVX); Fuel injector 3 and 4 (Loyale, GL, DL); Fuel injector 5 and 6 (XT6) |
| 16 | Fuel injector no. 3 (Legacy, Impreza, Justy, SVX); Fuel injector 3 and 4 (XT) |
| 17 | Fuel injector no. 4 (Legacy, Impreza, SVX); Fuel injector 1 and 2 (XT6) |
| 18 | Fuel injector no. 5 (SVX) |
| 19 | Fuel injector no. 6 (SVX) |
| 21 | Coolant temperature sensor or circuit |
| 22 | Knock sensor or circuit (right side on SVX) |
| 23 | Air flow meter or circuit (exc. Justy); Pressure sensor (Justy) |
| 24 | Air control valve or circuit (exc. Justy); Idle speed control solenoid valve (Justy) |
| 25 | Fuel Injector 3 and 4 (XT6) |
| 26 | Air temperature sensor (Justy) |
| 28 | Knock sensor no. 2 (SVX, left side) |
| 29 | Crank angle sensor (SVX, no. 2) |
| 31 | Throttle position sensor or circuit |
| 32 | Oxygen sensor or circuit (no. 1, right side on SVX) |
| 33 | Vehicle speed sensor (VSS) or circuit |
| 34 | EGR solenoid valve |
| 35 | Canister purge solenoid or circuit |
| 36 | Air suction solenoid valve (Impreza); Igniter circuit (Justy) |
| 37 | Oxygen sensor (no. 2, left side , SVX) |
| 38 | Engine torque control (SVX) |
| 41 | Air/fuel adaptive control |
| 42 | Idle switch or circuit |
| 43 | Throttle switch (Justy) |
| 44 | Wastegate duty solenoid (turbo) |
| 45 | Pressure duty solenoid (turbo)/atmospheric pressure sensor circuit (non-turbo) |
| 49 | Airflow sensor |
| 51 | Neutral switch (manual transmission)/inhibitor switch (automatic transmission) |
| 52 | Parking brake switch (exc. Justy)/Clutch switch (Justy) |
| 55 | EGR temperature sensor |
| 56 | EGR system |
| 61 | Parking brake switch (Loyale)/Fuel tank pressure control solenoid valve (Impreza) |
| 62 | Fuel temperature sensor (Impreza)/Electric load signal (Justy) |
| 63 | Fuel tank pressure sensor (Impreza)/Blower fan switch (Justy) |
| 65 | Vacuum pressure sensor |
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