garajizOBD-II code · generic
P21F8
Fuel Control System B Too Lean at Idle Bank 1
- System
- P2 — Powertrain / emissions (generic)
- Severity
- Moderate (3/5)
- Can I keep driving?
- Drive with caution
What does P21F8 mean?
P21F8 is defined as “Fuel Control System B Too Lean at Idle Bank 1”.
Drive gently and only as far as you need to; have it checked as soon as possible.
Related codes
- P21F7Fuel Control System B Too Rich Off Idle Bank 2
- P21F9Fuel Control System B Too Rich at Idle Bank 1
- P21F6Fuel Control System B Too Lean Off Idle Bank 2
- P21FAFuel Control System B Too Lean at Idle Bank 2
- P21F5Fuel Control System B Too Rich Off Idle Bank 1
- P21FBFuel Control System B Too Rich at Idle Bank 2
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This page is general information; an exact diagnosis needs measurements and a technician’s check.