Parts for your 2019 Audi Q5-Map sensor

2019 Audi Q5 MAP sensor: purpose, service tips, and common questions

Technical sources confirm the 2019 Audi Q5 (FY) is fitted with a MAP (manifold absolute pressure) sensor, sometimes called a charge air pressure or T-MAP (pressure + temperature) sensor. Audi’s Workshop Manuals (Elsa/ElsaPro) for the FY-platform Q5 list the MAP/charge pressure sender (G31/G71) for the 2.0 TFSI EA888 Gen.3/Gen.3B and the SQ5’s EA839 V6. The Audi Self‑Study Programmes for these engines describe load calculation using manifold and charge pressure sensing, and the ETKA parts catalogue shows the corresponding pressure sensor assemblies. Ross‑Tech’s diagnostic documentation for Q5 (FY) fault codes (such as P0106/P0236) also references the MAP/charge pressure sender on these models.

On the 2019 Audi Q5, the MAP sensor feeds the engine control unit with real‑time intake manifold/charge pressure data so fuelling, ignition timing, and turbo boost are spot‑on. On the 2.0 TFSI, it’s typically mounted to the intake manifold or charge pipe and may combine intake air temperature in the same housing. Accurate pressure data helps the Q5 deliver smooth off‑the‑mark response, solid mid‑range torque, and tidy fuel economy across Aussie and Kiwi conditions.

There’s no scheduled replacement interval for the MAP sensor, it’s a monitor-and-replace‑if‑faulty item. Still, it benefits from sensible servicing. Oil mist and soot can film over the sensor tip, skewing readings. During routine servicing, technicians often perform a quick visual check for cracked connectors, chafed wiring, or signs of oil contamination. Where contamination is present, a careful clean with sensor‑safe electronics cleaner (never harsh solvents) can restore readings. If the sensor throws fault codes, shows implausible pressure values on scan data, or the vehicle exhibits limp mode, poor economy, hesitant acceleration, or black smoke, replacement is the pragmatic fix.

Replacement is straightforward workshop work: disconnect the plug, remove the retaining fastener(s), lift the sensor, swap the O‑ring, lightly lubricate the new seal, and refit to the specified torque. Because part numbers vary by engine code and build, VIN‑matching through the Audi catalogue is best practice. After fitting, clearing fault codes and performing a short road test while watching live data ensures the Q5’s turbo and fuelling strategies relearn correctly. With a healthy MAP sensor, the 2019 Q5 keeps its effortless, low‑down shove and consistent fuel figures that drivers expect.

• Signs of trouble: check‑engine light, rough idle, hard starting, flat spots, high fuel use, or boost‑control faults.
• Good habits: keep the intake tract and PCV system tidy to reduce oil mist, ensure connectors are clean and latched.

Popular questions

Where is the MAP sensor on a 2019 Audi Q5?
On most 2.0 TFSI Q5 models it’s mounted on the intake manifold near the throttle body, or in the charge pipe after the intercooler. The exact spot can vary by engine code, but it’s a small two‑pin or four‑pin sensor held by a screw and sealed with an O‑ring.

Technicians typically spot it quickly under the bonnet by tracing the intake plumbing. A scan tool can also confirm the correct sensor by watching the pressure reading while unplugging the suspected unit.

What are the symptoms of a failing MAP sensor on the Q5?
Common symptoms include a check‑engine light, sluggish acceleration, surging, poor fuel economy, hard starts, or the vehicle dropping into limp mode. Diagnostic trouble codes like P0106, P0236 or related pressure‑sensor plausibility faults are frequent clues.

If left unchecked, incorrect load readings can cause rich running and soot, so timely diagnosis and repair are worthwhile.

Can the MAP sensor be cleaned, or should it be replaced?
If the sensor is simply contaminated with oil mist, a cautious clean using a sensor‑safe electronics cleaner can help. Avoid touching the sensing element or using aggressive solvents.

When the sensor is electrically faulty, cracked, or consistently implausible on scan data, replacement is the reliable solution. Always renew the O‑ring seal and verify readings post‑fit.