Parts for your 2006 Ford Transit-Throttle position sensors

2006 Ford Transit throttle position sensor: does it have one?

According to Ford’s workshop information (TIS), Autodata, and Haynes service manuals covering the 2000–2006 Transit range, a conventional throttle position sensor (TPS) only applies to 2006 Ford Transit models fitted with the petrol engine. Diesel Duratorq TDDi/TDCi models sold widely in Australia and New Zealand do not use a traditional throttle plate for engine load control, so they don’t have a standalone TPS on a throttle body. Instead, they rely on an accelerator pedal position (APP) sensor and, on many variants, an electronically controlled intake throttle/anti‑shudder valve with its own position feedback. Petrol models, and some late 2006 electronic-throttle setups, do have TPS functionality—either as a separate sensor on a cable throttle body or integrated within an electronic throttle body assembly.

Where fitted, the TPS tells the engine control module exactly how far the throttle is open, so fuelling, ignition timing, idle speed control and gearbox shift logic can stay smooth and efficient. On a 2006 Transit petrol, a crook TPS can show up as a hunting idle, flat spots on take-off, poor fuel economy, or a MIL/engine light with codes like P0120–P0124. Techs will usually confirm it with scan data (watching throttle angle) and a multimeter sweep test to spot dead spots.

Servicing is straightforward. During routine maintenance, it’s worth cleaning the throttle body bore and plate, checking the TPS connector for green death (corrosion), and making sure the engine earths are solid. If your Transit has a separate TPS, replacement typically goes like this: disconnect the battery, pull the intake duct, unplug the sensor, remove the two screws, fit the new sensor (don’t force or over-rotate the shaft), plug it in, and refit. On many electronic throttle bodies, the TPS is built-in—so you replace the entire throttle body instead of the sensor alone.

After any throttle or TPS work, carry out an idle relearn/procedure per workshop guidance—usually a key-on cycle and a few minutes of stable idle, then a short drive so the ECU can trim itself. Use quality parts that match your VIN, as there are variations across the 2006 changeover. If your Transit is a diesel, don’t chase a non-existent TPS, similar symptoms are more often tied to the APP sensor, EGR/throttle flap operation, boost leaks, or MAF/MAP issues.

• Common TPS symptoms where fitted: rough idle, hesitation, surging, harsh shifts, MIL on.
• Handy tip: inspect wiring looms near the throttle body for chafing—heat and vibration are common culprits.

FAQ: Does my 2006 Ford Transit diesel have a TPS?

Not a conventional one. Diesel variants don’t use a throttle plate to meter air, so there’s no separate TPS like on a petrol throttle body. They do use an accelerator pedal position sensor and, on many models, an intake throttle/anti‑shudder valve with position feedback. If you’re diagnosing stumbles or limp mode on a diesel, start with APP, MAF/MAP, EGR/throttle flap checks and vacuum/boost leaks.

FAQ: Where is the TPS on a 2006 Transit petrol?

On cable-throttle petrol models, it’s mounted on the side of the throttle body where the spindle passes through. On electronic-throttle setups, the TPS function is integrated within the throttle body assembly, so you won’t see a separate, serviceable sensor—replacement means swapping the whole unit.

FAQ: Do I need to perform a relearn after TPS or throttle body replacement?

Yes. After replacing a TPS or throttle body, perform the idle/throttle relearn so the ECU can store correct closed and open positions. That’s usually a key-on wait, stable idle period, and a short road test. A scan tool can speed things up if a guided routine is available.