Walker 225-91025 Manifold Absolute Pressure Sensor

Walker Products MAP Sensor for GM Applications

Walker Products 225-91025 is a manifold absolute pressure sensor built for select GM vehicles that need accurate intake manifold pressure input for engine management. It fits applications including Chevrolet Cavalier, Pontiac Sunfire, Oldsmobile Alero, Pontiac Grand Am, Chevrolet Malibu, Buick Skylark, and Oldsmobile Achieva.

Walker Products FSK focuses on fuel system and engine sensor components manufactured to meet or exceed OEM standards, with engineering and technical support behind the product line.

Key Features

• Manifold Absolute Pressure Sensor for engine load and airflow signal input
• 18.00 wiring harness length
• 3-terminal design with pin terminals
• Oval connector shape with female connector gender
• Male terminal gender for secure electrical connection
• Walker Products 225-91025 cross-references Bosch 18096 and 18097, plus Standard Ignition AS58

Detailed Description

The Walker Products 225-91025 MAP sensor is an OE-style replacement for vehicles that rely on manifold pressure data to help the engine control module manage fuel delivery and ignition timing. This part number is commonly searched for Chevrolet Cavalier MAP sensor replacement, Pontiac Sunfire MAP sensor replacement, and other GM compact and midsize applications from 1996 through 2002. If you are replacing a failing MAP sensor on a Chevrolet Malibu, Pontiac Grand Am, Buick Skylark, Oldsmobile Alero, or Oldsmobile Achieva, this sensor provides the correct connector style and terminal layout for the listed applications.

What It Helps Solve

• Rough idle caused by inaccurate manifold pressure readings
• Hard starting related to faulty engine load input
• Hesitation or stumble during acceleration
• Check engine light concerns tied to MAP sensor faults
• Fuel trim and drivability issues from inconsistent sensor output

Installation Notes and Tips

Verify connector shape, terminal count, and harness length before installation. Confirm the vehicle application by year and model, since fitment varies across Chevrolet Cavalier, Pontiac Sunfire, Pontiac Grand Am, Chevrolet Malibu, Buick Skylark, Oldsmobile Alero, and Oldsmobile Achieva listings. Inspect the connector and wiring for corrosion or damage before installing the new sensor, and clear diagnostic trouble codes after replacement if required by the repair procedure.

Quality Assurance

Walker Products has supplied fuel system and engine management components since 1946 and supports its product development with manufacturing, product management, and engineering resources. The Walker Products FSK line is backed by ISO 9001 and IATF 16949 certified quality systems and is built to meet OEM-level specifications for the listed applications.