P2636
Fuel Pump B Low Flow/Performance
P2636 is an OBD-II diagnostic trouble code meaning: Fuel Pump B Low Flow/Performance. Common causes: fuel pump b malfunction, problems with pump wiring or connectors. Estimated repair cost: $56–167.
Symptoms
- Reduced engine power
- Dips during acceleration
- Unstable operation at high speeds
- Difficulty starting the engine
- Check Engine Light Is On
Causes
- Fuel pump B malfunction
- Problems with pump wiring or connectors
- Clogged fuel filter
- Pump Circuit Low Voltage
- Fuel pump relay malfunction
How to Fix
- Check the voltage and continuity of the fuel pump B circuit
- Check the resistance of the pump windings
- Replace the fuel filter if necessary
- Check the pressure in the fuel system
- If necessary, replace fuel pump B
Related codes
Error P2636 by Vehicle Brand
FAQ
What does the P2636 code mean?
P2636 is an OBD-II diagnostic trouble code that indicates: Fuel Pump B Low Flow/Performance
What causes a P2636 error code?
The most common causes of P2636 include: Fuel pump B malfunction; Problems with pump wiring or connectors; Clogged fuel filter; Pump Circuit Low Voltage.
How do I fix a P2636 diagnostic trouble code?
To fix P2636: Check the voltage and continuity of the fuel pump B circuit. Check the resistance of the pump windings. Replace the fuel filter if necessary. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2636?
Limited driving only, diagnose soon
How much does it cost to fix P2636?
The estimated repair cost for P2636 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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