Back to 2018 Lincoln MKX

2018 LINCOLN MKX

2.7L EcoBoost V6AWDAUTOMATICgasturbo
5 active safety recalls on this vehicle — view recalls
Repairs0Labor1190Torque10012Fluid15DTC1932Battery0Maintenance0Recalls5
P0103moderate severityPowertrain

Mass Air Flow (MAF) Circuit High Input

on 2018 Lincoln MKX 2.7L EcoBoost V6 · AWD

What this code means

The MAF sensor signal voltage is higher than the maximum expected value.

Symptoms

  • Check Engine Light
  • Lean fuel condition
  • Poor acceleration
  • Engine surge

Common causes

  • Faulty MAF sensor
  • Short to voltage in signal wire
  • Water damage to sensor

Diagnostic steps

  1. Check MAF sensor connector
  2. Test signal voltage
  3. Inspect wiring for shorts to power
  4. Test sensor output

Repair notes

Replace MAF sensor or repair wiring.

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 →