P0627 — Fuel Pump "A" Control Circuit/Open
Category: Powertrain Severity: High
Updated:
DTC code P0627 means: Fuel Pump "A" Control Circuit/Open. It falls under the "Powertrain" category, with an estimated severity of High. Common causes include failed fuel pump control module, faulty pump relay and open wiring; it's worth confirming the diagnosis before replacing parts.
Possible causes
- Failed fuel pump control module
- Faulty pump relay
- Open wiring
- Corroded pump connector
Symptoms
- No start
- Engine stalls
- No pump hum at key-on
How to diagnose it step by step
- Check fuse and relay.
- Inspect the pump module.
- Check wiring continuity.
- Replace the failed component.
How to fix it
Check the fuse, relay and fuel pump control module (on many Fords it sits near the tank and corrodes). Check continuity of the control wire.
Estimated repair cost
Relay: $10–50. Pump module: $150–400.
Frequently asked questions
What does DTC code P0627 mean?
Fuel Pump "A" Control Circuit/Open.
Is code P0627 serious?
Severity High. Have it checked as soon as possible, especially if it affects safety or the catalytic converter.
Can I keep driving with code P0627?
Not reliable.
Related codes
P0620 P0615 P0641 P0606 P0605 P0604 P0603 P0602 P0601 P0600
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