22 Manifold absolute pressure or barometric pressure sensor out of self test range
How to read it
Code 22 reads as 2 flashes, pause, 2 flashes on the check-engine light. Jumper the self-test input to signal return at the test connector, then run the key on engine off self test and the running self test, counting the check-engine flashes each time.
New to flash codes? The OBD-I code reading guide walks through the paperclip method, code 12, and reading two-digit codes.
What does Ford code 22 mean?
22. Manifold absolute pressure or barometric pressure sensor out of self test range. This code sets when your vehicle computer detects manifold absolute pressure or barometric pressure sensor out of self test range.
Common causes of 22
- Damaged or disconnected vacuum hose to the sensor
- Faulty manifold absolute pressure or barometric pressure sensor
- Open or shorted sensor wiring
- High altitude or high atmospheric pressure outside the test window
- Excessive EGR flow affecting manifold pressure
How to fix 22
- Confirm the code and check the sensor vacuum hose first
- Inspect the sensor connector and wiring for corrosion and opens
- Compare the sensor reading to expected values for your altitude
- Test the sensor against the factory specification
- Replace the sensor only after the hose and wiring test good