garajizOBD-II code · generic
P0174
System Too Lean
- System
- P0 — Powertrain (generic)
- Severity
- Moderate (3/5)
- Can I keep driving?
- Drive with caution
What does P0174 mean?
P0174 is defined as “System Too Lean”.
Drive gently and only as far as you need to; have it checked as soon as possible.
Manufacturer-specific meanings
The same code can mean something different on some makes.
- Kia: Bank 2 System Too Lean
Related codes
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This page is general information; an exact diagnosis needs measurements and a technician’s check.