Bosch Sensor, Boost Pressure 0281002137
Intake manifold pressure sensor by Bosch, compatible with various car models, including Opel and Vauxhall, to accurately measure air pressure.
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Overview of the Bosch Intake Manifold Pressure Sensor (0281002137)
The Bosch Intake Manifold Pressure Sensor, identified by part number 0281002137, is a critical component in modern internal combustion engines. It measures the pressure within the intake manifold, providing essential data to the engine control unit (ECU) for precise fuel metering, ignition timing, and overall engine performance.
Key Functionalities
- Pressure Measurement: Accurately gauges the absolute pressure in the suction pipe or intake manifold.
- Altitude Compensation: Adjusts readings based on atmospheric changes, ensuring optimal engine operation at varying elevations.
- Signal Output: Transmits a voltage signal (typically 0.5 V to 4.5 V) that the ECU interprets as pressure data.
Technical Specifications
| Parameter | Description |
|---|---|
| Model Number | 0281002137 (also listed as 0 281 002 137 in many catalogs) |
| Type | MAP (Manifold Absolute Pressure) Sensor |
| Connection | 3‑pin electrical connector with a standard sensor housing |
| Operating Temperature | -40 °C to +125 °C |
| Signal Range | 0.5 V – 4.5 V (corresponding to 0–1 bar) |
| Pressure Range | 0 kPa to 100 kPa (ambient to ~1 bar) |
| Mounting Method | Threaded or snap‑fit, compatible with most OEM intake manifolds |
| Material | High‑temperature plastic housing; metal sensor element |
Compatibility and Applications
The sensor is designed for a wide range of vehicles, particularly those from the Opel, Vauxhall, Chevrolet, and Fiat families. Common models include:
- Opel Astra H / G / Vectra B / Zafira
- Vauxhall Frontera, Meriva, Corsa, and Astra Mk5
- Chevrolet models with similar intake manifold designs
- Fiat Scania and other commercial vehicles sharing the same sensor architecture
Installation Guide
- Disconnect the battery: Ensure safety before working on electrical components.
- Locate the intake manifold: The sensor is typically mounted near the throttle body or directly on the suction pipe.
- Remove the old sensor: Unscrew or detach the connector, taking care not to damage the wiring harness.
- Install the new Bosch sensor: Align the mounting flange and secure it with the provided screws. Reconnect the electrical plug firmly.
- Reconnect the battery and start the engine: Verify that the ECU recognizes the sensor and that there are no diagnostic trouble codes (DTCs) related to MAP.
Performance Benefits
- Enhanced Fuel Efficiency: Accurate pressure readings allow the ECU to calculate optimal fuel injection, reducing consumption.
- Improved Engine Response: Real‑time data ensures timely adjustments to throttle and ignition, resulting in smoother acceleration.
- Reduced Emissions: Precise air–fuel mixture control helps meet stringent emission standards.
Troubleshooting Common Issues
| Symptom | Possible Cause | Solution |
|---|---|---|
| No engine start or rough idle | Faulty MAP sensor signal | Replace the sensor with a new Bosch unit. |
| Engine stalls under load | Incorrect pressure reading due to vacuum leak | Check intake manifold for leaks; replace sensor if necessary. |
| DTC P0101 or P0102 (MAP sensor malfunction) | Electrical connection issue or damaged wiring | Inspect connector pins and repair or replace the harness. |
Quality Assurance and Reliability
The Bosch 0281002137 sensor is manufactured under stringent quality control protocols, ensuring:
- Long service life: Designed to withstand high temperatures and mechanical stresses for thousands of operating hours.
- Robust electrical performance: Stable voltage output with minimal drift over time.
- Compliance with OEM specifications: Meets or exceeds original equipment manufacturer (OEM) standards for all supported vehicle models.
Conclusion
The Bosch Intake Manifold Pressure Sensor (0281002137) is an indispensable component that delivers precise pressure data to the engine control system. Its robust construction, altitude‑adaptive capability, and broad compatibility make it a reliable choice for maintaining optimal engine performance across a diverse range of vehicles.
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 57.58 EUR  49.33 EUR  60.75 EUR |
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| Tags | BOSCH Sensor Boost Pressure 0281002137 |
| Identifiers | |
| Brand |  Bosch is a brand of power tools and appliances. The company was founded in 1886 and produces a wide range of power tools, appliances, and accessories. Bosch tools are known for their quality and durability, and the company is a leader in innovation and design. |
| MPN | Bosch 0281002137 |
| Model | Bosch 0281002137 |
| ID | 6970935 |
| Dimensions / Weight | |
| Key Features | |
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