Denso 198-1003 Manifold Absolute Pressure Sensor

Denso MAP Sensor for Toyota and Lexus

Denso Manifold Absolute Pressure Sensor 198-1003 is built for precise intake manifold pressure measurement, helping the engine control system manage fuel delivery with greater accuracy. It is a compact, lightweight OE-style sensor with a simplified connection design for dependable performance in Toyota Tacoma, 4Runner, Tundra, Sequoia, Land Cruiser, and Lexus GX470 or LX470 applications.

Key Features

• Manifold Absolute Pressure Sensor for emission control and engine management
• Pin terminal design with 1 female oval connector and 3 male terminals
• Compact, lightweight construction with fewer connections
• High detection accuracy for precise fuel injection control
• OE-style replacement for select Toyota and Lexus vehicles

Product Details

Denso 198-1003 is part of the Manifold Absolute Pressure Sensor line, engineered to deliver accurate pressure readings that support stable air-fuel control and lower emissions. By providing the engine computer with reliable manifold pressure data, this sensor helps maintain consistent drivability in applications such as the Toyota Tacoma, Toyota Tundra, Toyota 4Runner, Toyota Sequoia, Toyota Land Cruiser, Lexus GX470, and Lexus LX470. This part cross-references Toyota (e.g., 89421-71010) for the same application.

What It Helps Solve

• Rough idle caused by inaccurate manifold pressure readings
• Hesitation or poor throttle response from faulty sensor input
• Check engine light related to MAP sensor performance
• Fuel mixture issues that can affect drivability and emissions
• Unstable engine operation from degraded sensor signal quality

Installation Notes and Tips

Verify connector shape, terminal count, and OE part number before installation. This sensor uses a 1-connector oval female interface with 3 male terminals, so matching the original electrical connection is important for proper fitment. Confirm vehicle application by year and model; Fits 2014-2023 Toyota Tacoma, N/A; Fits 2005-2013 Toyota Tacoma, N/A; Fits 2005-2009 Lexus GX470, N/A; Fits 2005-2009 Toyota 4Runner, N/A; Fits 2005-2009 Toyota Sequoia, N/A; Fits 2005-2009 Toyota Tundra, N/A; Fits 2006-2007 Lexus LX470, N/A; Fits 2006-2007 Toyota Land Cruiser, N/A; Fits 2005 Lexus LX470, N/A; Fits 2005 Toyota Land Cruiser, N/A; Fits 2004 Toyota 4Runner, N/A; Fits 2004 Toyota Sequoia, N/A; Fits 2004 Toyota Tundra, N/A.

Quality Assurance

Denso MAP sensors are built with sensing technology focused on accurate pressure detection and reliable engine control input. The design emphasizes fewer connections and OE-style construction to support consistent performance in the specified Toyota and Lexus applications.