P02A3
Cylinder 3 - Fuel Trim at Min Limit
P02A3 is an OBD-II diagnostic trouble code meaning: Cylinder 3 - Fuel Trim at Min Limit. Common causes: air leak in the intake tract, dirty or faulty fuel injectors. Estimated repair cost: $56–167.
Symptoms
- Unstable engine operation
- Power reduction
- Increased fuel consumption
- Misfire in cylinder 3
Causes
- Air leak in the intake tract
- Dirty or faulty fuel injectors
- Malfunction of the mass air flow sensor (MAF)
- Problems with the absolute pressure (MAP) sensor
- Exhaust gas recirculation (EGR) system malfunction
How to Fix
- Check the tightness of the intake tract
- Clean or replace fuel injectors
- Check the operation of the mass air flow sensor and MAP
- Diagnose the EGR system
- Check the fuel pump and system pressure
Related codes
Error P02A3 by Vehicle Brand
FAQ
What does the P02A3 code mean?
P02A3 is an OBD-II diagnostic trouble code that indicates: Cylinder 3 - Fuel Trim at Min Limit
What causes a P02A3 error code?
The most common causes of P02A3 include: Air leak in the intake tract; Dirty or faulty fuel injectors; Malfunction of the mass air flow sensor (MAF); Problems with the absolute pressure (MAP) sensor.
How do I fix a P02A3 diagnostic trouble code?
To fix P02A3: Check the tightness of the intake tract. Clean or replace fuel injectors. Check the operation of the mass air flow sensor and MAP. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P02A3?
Limited driving only, diagnose soon
How much does it cost to fix P02A3?
The estimated repair cost for P02A3 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat