Is It Safe to Drive With a P2228 Code?
Common Symptoms of a P2228 Fault
P2228 Symptoms at a Glance
EML on
Reduced fuel economy
Rough or unstable idle
Hesitation or power loss, especially at altitude
Possible Causes of P2228
A P2228 code can be triggered by faults across several systems. Identifying the exact root cause requires proper diagnostic equipment and live data — not just reading the code.
Common Causes of P2228
Faulty BARO Sensor
The sensor itself has failed or degraded.
Wiring or Connector Damage
Corrosion, a pinched harness or water intrusion.
ECM 5V Reference Fault
The ECM's sensor supply circuit is faulty.
Integrated MAP Sensor
On some vehicles the BARO function is built into the MAP sensor.
Why we don't list the exact part: A P2228 code tells you what's happening but not why. Replacing parts without diagnosis is the most common way drivers waste money. A proper diagnosis identifies the specific cause first.
🔍 Get Your Exact Diagnosis
Find Out Exactly What's
Causing Your P2228 — 1st cause free, full report £1.99
Causing Your P2228 — 1st cause free, full report £1.99
MotorLoom cross-references your P2228 against known fault patterns for your exact make, model and mileage — giving you the most likely specific cause, UK repair cost and MOT risk instantly.
Most likely specific cause for your exact vehicle
UK repair cost estimate (parts + labour)
MOT pass/fail risk assessment
Whether it's safe to continue driving
Find Your Problem Now →
First cause free · Full report £1.99 · Instant results
1st cause FREE
Full report £1.99
P2228 and Your MOT
A stored P2228 fault code will cause your car to fail its MOT due to the illuminated engine management light. Get the fault diagnosed and repaired, then have the code cleared before booking your test.