22627AA280 Subaru SEN ASSY-PRESS, Price: 203.71$, Weight: 0.018kg
| Make | Number | Name | Availability | Weight, kg | Ship in, Days | Price |
|---|---|---|---|---|---|---|
Subaru |
22627AA280 |
SEN ASSY-PRESS |
1 |
0.018 |
2-3 |
203.71$ |
Compatibility
Engine Pressure Sensor Assembly
This pressure sensor assembly is a key input for the engine control unit (ECU). It monitors pressure in the intake/manifold area so the ECU can calculate accurate air load and adjust fuel delivery and ignition timing. When readings are correct, your Subaru starts easier, idles smoother, and accelerates cleanly ?.
Why This Part Is Needed
Modern engines rely on precise pressure signals to keep the air-fuel mix stable in every condition—cold start, cruising, uphill load, and quick throttle changes. This sensor helps keep emissions controlled and fuel economy where it should be.
How It Works
Inside the unit is a calibrated sensing element that converts pressure changes into an electrical signal. The ECU compares that signal with other sensors (like throttle position and temperature) to fine-tune:
- Fuel injection pulse
- Ignition advance
- Idle stability and throttle response
What Happens If It’s Broken
A failing sensor can send incorrect pressure data, causing the ECU to “guess” and run the engine off-target. Common results include:
- Check Engine Light ⚠️
- Hesitation, flat acceleration, or stalling
- Rough idle and hard starting
- Poor fuel mileage and higher emissions
Compatibility
- Impreza
- Forester