Fuel System
Code P0231
Fuel Pump Low Voltage
Plain English Meaning:Fuel pump not getting enough power
🛑
Red: Stop Driving & Tow
Vehicle may stop running
P0231 Symptoms
- •Hard start stalling
Most Common Causes of P0231
1Weak wiring failing pump
P0231 Repair Playbook
Required Mechanic Tests
A qualified shop should perform these tests before replacing any parts to ensure they aren't guessing:
Check voltage under load
Typical Fix Paths & Estimated Costs
Replace pump or wiring $200–$1000
🛒
Parts for P0231 Repair
Common replacement parts for fuel system codes. (Paid links)
🚗 Get Vehicle-Specific Search
Select your car to update the links above for a guaranteed fit.
Paid links — we may earn a commission. Please verify fitment details on the retailer site.
Fair Pricing Guides
Check our database for average parts, labor, and expected repair costs before heading to a mechanic.