P5PR188G1A Mazda SENSOR,AIR&FUEL RATI, Price: 141.38$, Weight: 0.185kg
| Make | Number | Name | Availability | Weight, kg | Ship in, Days | Price |
|---|---|---|---|---|---|---|
Mazda |
P5PR188G1A |
SENSOR,AIR&FUEL RATI |
4 |
0.185 |
2-3 |
141.38$ |
Air & Fuel Ratio Sensor for Mazda Engine Management
This sensor is a key part of the fuel injection and emissions system. It measures the oxygen content in the exhaust so the ECU can calculate the correct air-to-fuel mixture in real time. A precise mixture helps your Mazda start faster, idle smoother, and keep fuel economy and power where they should be ✅.
Why This Part Is Needed
Modern engines must run near the ideal burn point to protect the catalytic converter and meet emission limits. This air/fuel feedback sensor gives the ECU accurate data during cruising, acceleration, and warm-up, preventing the engine from running too rich or too lean.
How It Works
Mounted in the exhaust stream, it uses a heated sensing element to read oxygen levels. The heater brings it to operating temperature quickly, then the signal is converted by the ECU into fuel trim corrections for the injectors ?.
If the Sensor Fails
A faulty unit can cause a check engine light, rough idle, hesitation, higher fuel use, fuel smell, failed inspection, and possible catalytic converter damage over time ⚠️. Replace promptly to restore correct fuel control.