Back to 2003 Lincoln Aviator

2003 LINCOLN AVIATOR

4.6L V8 DOHCAWDAUTOMATICgas
1 active safety recall on this vehicle — view recalls
Repairs0Labor513Torque4972Fluid9DTC763Battery0Maintenance0Recalls1
P0628high severityPowertrain

Fuel Pump A Control Circuit Low

on 2003 Lincoln Aviator 4.6L V8 DOHC · AWD

What this code means

Low voltage in fuel pump control circuit.

Symptoms

  • No start
  • Weak fuel pump

Common causes

  • Short to ground
  • Corroded wiring
  • Bad relay

Diagnostic steps

  1. Test voltage
  2. Check for shorts
  3. Test relay

Repair notes

Repair wiring or replace relay.

Other Powertrain codes on this vehicle

Building an app?
Free API access to all this data — 50 requests/day, no card required.
Get an API key →
Run a shop?
Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.
Try ShopBase →