Standard Ignition AS333 Manifold Absolute Pressure Sensor

Manifold Absolute Pressure Sensor for Mini and Land Rover

Standard Ignition AS333 is a manifold absolute pressure sensor built for direct replacement on select Mini Cooper and Land Rover Freelander applications. It includes an O-ring for the sensor seal and uses a 4-terminal blade connection with a female plug-in connector for straightforward OE-style service.

Key Features

• Manifold Absolute Pressure Sensor for engine load and intake manifold pressure input
• Fits 2002-2008 Mini Cooper, N/A
• Fits 2002-2005 Land Rover Freelander, N/A
• Female connector with round and rectangular connector shape
• 4-terminal blade design with 1 vacuum port
• Black finish with O-ring included
• Standard Ignition AS333 replacement sensor

Detailed Description

Standard Ignition AS333 is a MAP sensor used to report intake manifold pressure to the engine control system, helping the vehicle manage fuel delivery and ignition timing based on engine load. This part is a direct-fit style replacement for select Mini Cooper and Land Rover Freelander models, making it a practical choice when servicing drivability or sensor-related faults. The AS333 part number is also referenced in cross-application listings for the same use case, and AS333 is commonly searched alongside Mini Cooper MAP sensor and Land Rover Freelander manifold absolute pressure sensor queries.

This part cross-references URO 12140872648 for the same application.

What It Helps Address

• Check engine light related to manifold pressure sensor performance
• Rough idle caused by incorrect intake manifold pressure readings
• Hesitation or poor throttle response under load
• Fuel mixture issues tied to inaccurate engine load input
• Hard starting or unstable running when the MAP signal is out of range

Installation Notes and Tips

Verify connector style, vacuum port layout, and mounting location before installation. The sensor uses a plug-in female connector and includes an O-ring seal; no wiring harness, mounting bracket, or hardware is included. Inspect the intake sealing surface and vacuum passage for contamination before installing the new sensor. For fitment searches, this part is commonly listed for 2002-2008 Mini Cooper and 2002-2005 Land Rover Freelander, and the AS333 part number should be matched to the original sensor configuration.

Quality Assurance

Standard Ignition is a recognized aftermarket source for engine management and emission control components. AS333 is built to match the specified connector, terminal, and sealing configuration for the listed applications.