ACDelco 2171437 Manifold Absolute Pressure MAP Sensor

The ACDelco 2171437 is a professional-grade Manifold Absolute Pressure (MAP) Sensor designed to restore proper fuel injection system operation. The MAP sensor monitors intake manifold pressure and transmits real-time data to the engine control module (ECM), allowing precise calculation of air density and fuel delivery for optimal combustion efficiency.

Key Features:

• Direct-fit OE replacement designed to match original equipment specifications
• Accurately measures intake manifold absolute pressure for precise fuel trim control
• Engineered to restore factory-level engine performance and fuel efficiency
• Built to ACDelco's professional-grade quality standards for reliable, long-term operation
• Helps eliminate symptoms such as rough idle, poor acceleration, and increased fuel consumption caused by a faulty MAP sensor

The ACDelco 2171437 MAP Sensor is a trusted OE-quality replacement for vehicles requiring precise manifold pressure monitoring. Proper MAP sensor function is critical to fuel injection system performance, emissions compliance, and overall drivability.