NTK TH0177 Throttle Position Sensor

NTK Throttle Position Sensor TH0177

The NTK TH0177 throttle position sensor is built for precise throttle input monitoring on select Mazda and Toyota applications. It uses a plastic housing, a rectangular female connector, and a 4-terminal blade design for throttle body mounting.

Key Features

• Throttle body mounted design
• Plastic sensor housing
• Rectangular 1-connector configuration
• 4-terminal blade connection
• Female connector with male terminals
• No mounting hardware or mounting bracket included

Product Details

NTK’s technical sensor line is backed by OE-focused engineering and extensive validation, including thermal shock, vibration, and OBD verification testing. The TH0177 is manufactured to meet or exceed OE specifications and is part of NTK’s full-line sensor coverage for import and domestic vehicles. This part number, TH0177, is used in throttle position sensor applications for 1989-1995 Mazda MPV, 1990-1991 Mazda 929, 1987 Toyota Corolla, and 1987 Toyota MR2. This part cross-references Standard Ignition TH202 for the same application.

Common Symptoms This Part May Address

• Erratic throttle response
• Rough or unstable idle
• Hesitation during acceleration
• Throttle angle signal faults
• Check engine light related to throttle position input

Installation Notes

Install the sensor on the throttle body and verify connector orientation before final assembly. Confirm the blade terminals and rectangular connector match the vehicle harness, and inspect the throttle body for wear or contamination before replacement. After installation, clear diagnostic codes and verify throttle signal output with a scan tool or multimeter.

Quality Assurance

NTK sensors are produced under OE-driven standards and tested for demanding operating conditions to support accurate signal performance. The TH0177 is engineered to meet or exceed OE specifications for the listed Mazda MPV, Mazda 929, Toyota Corolla, and Toyota MR2 applications.