Description
A turbocharger is only as smart as the sensor that tells the ECU where the wastegate is. When that signal drifts, boost becomes a guess.
The Throttle Response Actuator Position Sensor replaces the fatigued OEM part on Ford 1.6L and 2.0L turbocharged engines, Volvo compact platform models, and Mazda MZR-CD variants. The Hall-effect internal magnet reads wastegate position without contact, so mechanical wear does not degrade the signal over time unlike a potentiometer.
Installation is a single bolt, one electrical connector, and a bracket that lines up with the factory locating pin. No calibration, no scan-tool programming, no reflash. The ECU recognizes the voltage curve immediately and resumes closed-loop boost control on the next drive cycle.
Key Features
- ✪ OE-equivalent replacement for Ford, Volvo, and Mazda turbo models
- ✪ Hall-effect position sensor delivers linear voltage signal to ECU
- ✪ Stainless steel shaft resists exhaust-side corrosion
- ✪ Plug-and-play with OEM connector no wiring modification required
- ✪ Pre-calibrated to factory tolerance no relearn procedure needed
Technical Specifications
- OE Reference: 3M5Q-6K682-BA and cross-reference variants
- Sensor Type: Hall-effect, 3-wire (5V reference, signal, ground)
- Output: Linear voltage sweep from closed to open position
- Shaft Material: Corrosion-resistant stainless steel
- Connector: OEM 3-pin weather-pack direct fit
- Compatibility: Ford Focus, Volvo S40/V50, Mazda 3 MPS specific years
Application Scenarios
Direct replacement for Ford Focus, Volvo S40/V50, and Mazda 3 turbocharged models. Suitable for DIY mechanics and professional workshops performing turbo system diagnostics and wastegate actuator repairs.
Frequently Asked Questions
Q: What symptoms indicate a failing position sensor?
Inconsistent boost, reduced power above certain RPM, check engine light with boost-related fault codes.
Q: Do I need to remove the turbo to install this?
No. The sensor mounts externally on the wastegate actuator assembly accessible from above the engine bay.
Q: Will this fix my turbo underboost code?
Only if the code is caused by a sensor signal fault. Use a multimeter to verify reference voltage and output sweep before replacing.
Q: How long does installation take?
About 15 minutes with basic hand tools a small socket and a screwdriver for the retaining clip.
Q: Does this fit the Focus ST or RS?
The 2.0L EcoBoost ST shares the same sensor. The RS uses a different position sensor confirm part number before ordering.
Q: Is this a genuine OEM part?
This is an OE-equivalent replacement built to factory specifications. It is not a Ford OEM part but meets the same performance standards.
Q: What tools do I need for installation?
Basic hand tools: a socket set, flathead screwdriver, and a multimeter for testing the signal output.
Restore the signal. Restore the spool.
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