Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSSUBARU2004OUTBACK BASE, 4D WAGON, EJ251, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSELECTRICAL COMPONENT LOCATIONSELECTRICAL COMPONENT LOCATORSOLENOIDS & SOLENOID VALVES
2004 Subaru Outback Base, 4D Wagon, EJ251, Standard
Solenoids & Solenoid Valves
2004 Subaru Outback Base, 4D Wagon, EJ251, StandardSECTION Solenoids & Solenoid Valves
SOLENOIDS & SOLENOID VALVES LOCATION
| Component | Location |
|---|---|
| Air Assist Injector Solenoid Valve (2.5L, Except U5) (E42) | On intake manifold. See Figure. |
| Atmospheric Pressure Solenoid Valve (Pick-Up) (F143) | Right rear corner of vehicle. See Figure. |
| Atmospheric Pressure Solenoid Valve (Sedan) (R143) | Rear center of vehicle. See Figure. |
| Atmospheric Pressure Solenoid Valve (Wagon) (R143) | Rear center of vehicle. See Figure. |
| AVSC Solenoid (Left) (Turbo) (E37) | Top left of engine. See Figure. |
| AVSC Solenoid (Right) (Turbo) (E38) | Top right of engine. See Figure. |
| CPC Solenoid Valve (Turbo) (E4) | Left front of engine. See Figure. |
| CPC Solenoid Valve (2.5L, Except U5) (E4) | Right rear of engine. See Figure. |
| CPC Solenoid Valve (2.5L, U5) (E4) | Left rear of engine. See Figure. |
| CPC Solenoid Valve (3.0L) (E4) | Front of engine. See Figure. |
| Cruise Control Actuator (2.5L) (B7) | At right side of engine compartment. See Figure. |
| Cruise Control Actuator (3.0L) (B7) | At right side of engine compartment. See Figure. |
| EGR Solenoid Valve (2.5L, Except U5) (E18) | Left rear of engine. See Figure. |
| EGR Solenoid Valve (2.5L, U5) (E18) | Left rear of engine. See Figure. |
| EGR Solenoid Valve (3.0L) (E18) | Left front of engine. See Figure. |
| Exhaust Gas Recirculation Valve (2.5L) (B328) | Front of engine. See Figure. |
| Fuel Injector No. 1 (Turbo) (E5) | Top right of engine. See Figure. |
| Fuel Injector No. 1 (2.5L, U5) (E5) | Top right of engine. See Figure. |
| Fuel Injector No. 1 (3.0L) (E5) | Top right of engine. See Figure. |
| Fuel Injector No. 2 (Turbo) (E16) | Top left of engine. See Figure. |
| Fuel Injector No. 2 (2.5L, U5) (E16) | Top left of engine. See Figure. |
| Fuel Injector No. 2 (3.0L) (E16) | Top left of engine. See Figure. |
| Fuel Injector No. 3 (Turbo) (E6) | Top right of engine. See Figure. |
| Fuel Injector No. 3 (2.5lL, U5) (E6) | Top right of engine. See Figure. |
| Fuel Injector No. 3 (3.0L) (E6) | Top right of engine. See Figure. |
| Fuel Injector No. 4 (Turbo) (E17) | Top left of engine. See Figure. |
| Fuel Injector No. 4 (2.5L, U5) (E17) | Top left of engine. See Figure. |
| Fuel Injector No. 4 (3.0L) (E17) | Top left of engine. See Figure. |
| Fuel Injector No. 5 (3.0L) (E43) | Top right of engine. See Figure. |
| Fuel Injector No. 6 (3.0L) (E44) | Top left of engine. See Figure. |
| Fuel Pump Control Solenoid (Wagon) (R124, R125) | Near fuel tank. See Figure. |
| Idle Air Control Solenoid Valve (2.5L, Except U5) (E7) | On throttle body. See Figure. |
| Idle Speed Control Solenoid Valve (3.0L) (E7) | On throttle body. See Figure. |
| Induction Valve Control Solenoid (3.0L) (E30) | On top front center of engine. See Figure. |
| Injector #1 (2.5L, Except U5) (E5) | Top right of engine. See Figure. |
| Injector #2 (2.5L, Except U5) (E16) | Top left of engine. See Figure. |
| Injector #3 (2.5L, Except U5) (E6) | Top right of engine. See Figure. |
| Injector #4 (2.5L, Except U5) (E17) | Top left of engine. See Figure. |
| Internal Pressure Solenoid Valve (Pick-Up) (F144) | Rear center of vehicle. See Figure. |
| Internal Pressure Solenoid Valve (Sedan) (R144) | Rear center of vehicle. See Figure. |
| Internal Pressure Solenoid Valve (Wagon) (R144) | Rear center of vehicle. See Figure. |
| Key Lock Solenoid (2.5L) (B73) | On ignition key cylinder. See Figure. |
| Key Lock Solenoid (3.0L) (B73) | On ignition key cylinder. See Figure. |
| Pressure Control Solenoid Valve (Pick-Up) (R68) | Center rear of fuel tank. See Figure. |
| Pressure Control Solenoid Valve (Sedan) (R68) | Center rear of fuel tank. See Figure. |
| Pressure Control Solenoid Valve (Wagon) (R68) | Center rear of fuel tank. See Figure. |
| Starter (Magnet) (2.5L) (B14) | Left side of engine. See Figure. |
| Starter (Magnet) (2.5L Turbo) (B14) | Left side of engine. See Figure. |
| Starter (Magnet) (3.0L) (B14) | Left side of engine. See Figure. |
| Tumble Generator Valve (Left) (Turbo) E51) | Left rear of engine. See Figure. |
| Tumble Generator Valve (Right) (Turbo) (E55) | Right front of engine. See Figure. |
| Tumble Generator Valve (2.5L, U5) E51) | Top rear of engine. See Figure. |
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.