P2A90
Alternative Fuel Pump C Performance
P2A90 is an OBD-II diagnostic trouble code meaning: Alternative Fuel Pump C Performance. Common causes: alternate fuel pump malfunction, problems with pump wiring or connectors. Estimated repair cost: $56–167.
Symptoms
- Unstable engine operation
- Loss of power during acceleration
- Difficulty starting the engine
- Increased fuel consumption
- Stalling engine
Causes
- Alternate fuel pump malfunction
- Problems with pump wiring or connectors
- Clogged fuel filter
- Low voltage in the pump power circuit
- Fuel pump relay malfunction
How to Fix
- Check the voltage in the fuel pump circuit
- Inspect the connectors and wiring of the pump
- Replace the fuel filter if necessary
- Check the pressure in the fuel system
- If necessary, replace the alternative fuel pump
Related codes
Error P2A90 by Vehicle Brand
FAQ
What does the P2A90 code mean?
P2A90 is an OBD-II diagnostic trouble code that indicates: Alternative Fuel Pump C Performance
What causes a P2A90 error code?
The most common causes of P2A90 include: Alternate fuel pump malfunction; Problems with pump wiring or connectors; Clogged fuel filter; Low voltage in the pump power circuit.
How do I fix a P2A90 diagnostic trouble code?
To fix P2A90: Check the voltage in the fuel pump circuit. Inspect the connectors and wiring of the pump. Replace the fuel filter if necessary. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2A90?
Limited driving only, diagnose soon
How much does it cost to fix P2A90?
The estimated repair cost for P2A90 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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