P0069 Manifold/barometric pressure sensor: readings don't match

By: Diagno editorial team · Updated: 2026-10-15

P0069 means: Manifold/barometric pressure sensor: readings don't match. The MAP sensor measures pressure in the intake manifold, which tells the computer the engine load. Drive gently and have the car checked soon. The repair usually costs about €40–250 in Estonia. The most common cause: sensor coated in oily grime or faulty.

What it means

The MAP sensor measures pressure in the intake manifold, which tells the computer the engine load. On turbo engines a similar sensor also reads boost pressure.

What you may notice

• Engine light on
• Less power
• Higher fuel consumption
• Rough idle

What could be wrong

1. 1Sensor coated in oily grime or faulty
2. 2Sensor vacuum hose loose or cracked
3. 3Air leak in the intake
4. 4Wire or connector

Repair difficulty: Easy

What you can check yourself

Check that the sensor hose (if fitted) is intact and on tight. The sensor can often be cleaned carefully. You can do the simpler checks yourself.

How we fix it

1. We read the sensor on the diagnostic tool and compare it with other sensors
2. We check the connector, supply and ground
3. We repair the wiring or replace the sensor

Standard SAE description: Manifold Absolute Pressure - Barometric Pressure Correlation