P28FA
Exhaust Pressure Too Low Bank 2
P28FA is an OBD-II diagnostic trouble code meaning: Exhaust Pressure Too Low Bank 2. Common causes: exhaust system leak (bank 2), malfunction of the exhaust gas pressure sensor. Estimated repair cost: $17–89.
Symptoms
- Check Engine light comes on
- Reduced engine power
- Increased fuel consumption
- Unusual noises from the exhaust system
- Rough engine operation
Causes
- Exhaust system leak (bank 2)
- Malfunction of the exhaust gas pressure sensor
- Problems with the turbocharger (if installed)
- Clogged or damaged catalytic converter
- Open or short circuit in the pressure sensor circuit
How to Fix
- Check the tightness of the exhaust system of bank 2
- Check the condition and connection of the exhaust gas pressure sensor
- Test the exhaust gas pressure sensor
- Check the condition of the catalytic converter
- Check the integrity of the wiring harness to the pressure sensor
Related codes
Error P28FA by Vehicle Brand
FAQ
What does the P28FA code mean?
P28FA is an OBD-II diagnostic trouble code that indicates: Exhaust Pressure Too Low Bank 2
What causes a P28FA error code?
The most common causes of P28FA include: Exhaust system leak (bank 2); Malfunction of the exhaust gas pressure sensor; Problems with the turbocharger (if installed); Clogged or damaged catalytic converter.
How do I fix a P28FA diagnostic trouble code?
To fix P28FA: Check the tightness of the exhaust system of bank 2. Check the condition and connection of the exhaust gas pressure sensor. Test the exhaust gas pressure sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P28FA?
Yes, but get it checked soon
How much does it cost to fix P28FA?
The estimated repair cost for P28FA is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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