Spectra MP142 Manifold Absolute Pressure Sensor

Spectra MP142 Manifold Absolute Pressure Sensor

Spectra MP142 is a manifold absolute pressure sensor for emission control applications. It is built to meet or exceed OE specifications for fit, form, and function, with direct-fit coverage for select Mazda MPV and Mazda Miata applications.

Key Features

• Manifold absolute pressure sensor for emission control systems
• OE-style fit, form, and function for straightforward replacement
• Direct-fit coverage for Mazda MPV and Mazda Miata applications
• Also listed as a barometric pressure sensor on select Mazda Miata applications
• Cross-references Standard Ignition AS149 for the same application

Application Details

Fits 2000-2006 Mazda MPV, N/A. Fits 1999-2005 Mazda Miata, N/A, Barometric Pressure Sensor. This Spectra MP142 sensor is a practical replacement choice when servicing a Mazda MPV or Mazda Miata with a failed MAP or barometric pressure input. The MP142 part number is also referenced in aftermarket catalogs for related OE-style applications.

Common Issues This Part May Address

• Rough idle caused by inaccurate manifold pressure readings
• Hard starting related to incorrect engine load data
• Check engine light triggered by MAP sensor faults
• Poor throttle response from unstable pressure signals
• Fuel trim problems caused by incorrect air-density information

Installation Notes and Tips

Verify the connector style, sensor location, and calibration requirements before installation. Compare the original sensor to Spectra MP142 and confirm the vehicle application against the listed Mazda MPV and Mazda Miata fitment. Clear diagnostic trouble codes after installation and recheck engine data if the vehicle previously stored MAP-related faults.

Quality Assurance

Spectra states that this sensor is engineered to meet or exceed OE specifications for fit, form, and function. That focus supports consistent replacement quality for emission control service on Mazda MPV and Mazda Miata applications.