Parts for your 2007 Ford Fiesta-Map sensor

2007 Ford Fiesta MAP Sensor — What it does, where it lives, and how to keep it sweet

Technical references confirm the 2007 Ford Fiesta does use a MAP (manifold absolute pressure) sensor. The Ford Technical Information System (TIS) workshop manual for the 2002–2008 Fiesta range lists a MAP/boost pressure sensor as part of the engine management on Duratec petrol and TDCi diesel variants. The Haynes Ford Fiesta Petrol & Diesel 2002–2008 manual details testing and replacement of the MAP (boost pressure) sensor, and Autodata’s component locations place it on the intake manifold for petrol models and on the charge-air/intercooler pipe or manifold on TDCi diesels. So yes—this model absolutely has a MAP sensor, and it’s an important one.

On a 2007 Fiesta, the MAP sensor measures the absolute pressure in the intake so the ECU can figure out engine load. That lets it trim fuel, spark timing and, on the diesels, manage turbo boost and EGR to keep things smooth and efficient. Petrol variants typically run a speed‑density strategy, relying on the MAP signal (plus RPM and intake air temperature) rather than a big airflow meter. On the TDCi, the MAP doubles as a boost pressure sensor and is prone to soot and oil mist, so it appreciates a bit of TLC.

It’s not a scheduled replacement item, but it’s worth inspecting under the bonnet at each service, especially if the car does lots of short trips or dusty kays. Typical warning signs are:

• Rough idle, flat spots, or sluggish take‑off
• Higher fuel use or black smoke on a diesel
• Check Engine light with codes like P0106–P0108

Quick checks with a scan tool help: with key on/engine off, the reading should be close to local barometric pressure (around 100 kPa at sea level). At warm idle, expect roughly 25–35 kPa on a healthy petrol engine. If figures look off, confirm the wiring and plug first—bent pins and brittle connectors are common culprits.

For cleaning, use a plastic‑safe, residue‑free electronics cleaner, avoid harsh solvents and don’t poke the sensing port. On TDCi models, gently clean away oily soot from the tip. If replacement’s needed, match the part number and seal, avoid cheap no‑name sensors, and snug the screws gently to avoid cracking the housing. After fitting, clear fault codes and let the ECU relearn at idle for a few minutes. As part of regular servicing, pairing MAP checks with air filter and PCV inspections will help keep the Fiesta perky and economical across Aussie and Kiwi conditions.

Popular questions about 2007 Ford Fiesta MAP sensor

Does my 2007 Fiesta have both a MAP and a MAF?
Petrol models generally rely on the MAP sensor rather than a separate MAF. TDCi diesels usually have both—a MAF near the airbox and a MAP/boost sensor on the manifold or charge pipe. Both signals help the ECU manage fuelling and boost accurately.

Where is the MAP sensor located on a 2007 Fiesta?
On Duratec petrol engines it’s typically mounted on or near the intake manifold, close to the throttle body. On TDCi diesels, look on the intake manifold or the intercooler/charge pipe for a small sensor with a plug and an exposed tip into the airflow.

Can I drive with a faulty MAP sensor?
The car may still run, but it can be gutless, use more fuel and trigger the Check Engine light. Prolonged driving with bad sensor data can stress the catalytic converter (petrol) or DPF (diesel). It’s best to diagnose promptly and repair to keep things tidy and reliable.