P14A3
Pressure Of Diesel Particulate Filter Implausible To Atmospheric Pressure Or Boost Pressure
P14A3 is an OBD-II diagnostic trouble code meaning: Pressure Of Diesel Particulate Filter Implausible To Atmospheric Pressure Or Boost Pressure. Common causes: dpf pressure sensor malfunction, leaks in the exhaust system. Estimated repair cost: $56–278.
Symptoms
- Increased fuel consumption
- Reduced engine power
- Check engine light comes on
- Problems with diesel particulate filter regeneration
- Black smoke from the exhaust pipe
Causes
- DPF pressure sensor malfunction
- Leaks in the exhaust system
- DPF clogged
- Problems with sensor wiring
- Engine control unit malfunction
How to Fix
- Check the exhaust system for leaks
- Check the operation of pressure sensors
- Clean or replace the particulate filter
- Check the integrity of wiring and connectors
- Scan the control unit for errors
Related codes
FAQ
What does the P14A3 code mean?
P14A3 is an OBD-II diagnostic trouble code that indicates: Pressure Of Diesel Particulate Filter Implausible To Atmospheric Pressure Or Boost Pressure
What causes a P14A3 error code?
The most common causes of P14A3 include: DPF pressure sensor malfunction; Leaks in the exhaust system; DPF clogged; Problems with sensor wiring.
How do I fix a P14A3 diagnostic trouble code?
To fix P14A3: Check the exhaust system for leaks. Check the operation of pressure sensors. Clean or replace the particulate filter. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P14A3?
Limited driving only, diagnose soon
How much does it cost to fix P14A3?
The estimated repair cost for P14A3 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat