Code result
P2BF2
Fuel Control System B Too Lean Bank 2
Moderate severity
What it means
Fuel control system B on bank 2 reports a persistently lean condition. Long-term fuel trim is at the positive limit, indicating insufficient fuel delivery or unmetered air ingress.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Vacuum leak downstream of MAF
highOne of the most commonly reported causes for this code — check this first.
Fuel rail pressure low
mediumA plausible cause — test and verify before replacing parts.
Related help
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