P0627
Critical Severity (Level 5)Fuel Pump A Control Circuit/Open
OBD-II diagnostic trouble code P0627indicates a fault detected by the vehicle's onboard computer. This code applies to all OBD-II compliant vehicles and should be addressed promptly to avoid potential engine or emissions system damage.
Severity Level 5 — Critical
This code indicates a critical issue that may cause severe engine damage or complete engine failure. Stop driving immediately and have the vehicle towed to a repair shop. Continuing to drive could result in catastrophic engine damage and costly repairs.
Common Symptoms
- Check engine light on
- Reduced fuel economy
- Possible rough idle or hesitation
Possible Causes
- Fuel Pump A Control Circuit/Open
- Manufacturer-specific condition
- Fault in related component or circuit
Common Fixes
- Diagnose with professional OBD2 scan tool
- Check manufacturer TSBs
- Inspect related components per service manual
Estimated Repair Cost
$500 – $2000(typical range; varies by vehicle make and model)
These are estimated costs based on generic repair data. Actual costs may vary depending on your vehicle, location, and labor rates.
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