Home/DTC Codes/Lincoln/MKX/2014-2014 3.7L V6/P0177

P0177

Fuel Composition Sensor Circuit Range/Performance

2014-2014 Lincoln MKX 3.7L V6

Low SeverityPowertrainGeneric (SAE)

The 2014 Lincoln MKX is equipped with a 3.7L V6 engine. Below you'll find detailed p0177 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.

Description

The fuel composition sensor reading is outside expected range.

Symptoms

Check Engine Light
Incorrect fueling

Common Causes

Contaminated sensor
Sensor calibration issue
Mixed fuel types

Diagnostic Steps

Compare sensor reading to known fuel type
Test sensor output range

Repair Notes

Replace sensor.

Related Codes

P0176Fuel Composition Sensor Circuit

Other Powertrain Codes

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Common Questions

What does code P0177 mean on a 2014-2014 Lincoln MKX?

P0177 stands for "Fuel Composition Sensor Circuit Range/Performance". The fuel composition sensor reading is outside expected range.

What are the symptoms of P0177 on a Lincoln MKX?

Common symptoms of P0177 include: Check Engine Light, Incorrect fueling.

What causes P0177 on a 2014-2014 Lincoln MKX?

Common causes of P0177 include: Contaminated sensor, Sensor calibration issue, Mixed fuel types.

Last updated: March 2026

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