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Mercury Milan Fault Codes

You can find common Mercury Milan fault codes on this page that when clicked take you to a detailed description.

You can also type in the fault code you are getting below to find a more detailed description.

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Mercury Milan Recalls

When a car manufacturer detects a problem with a model they put out a recall notice and more often than not offer to fix the problem free of charge.

You can check to see if your Mercury Milan has any recall notices on our sister site AutoRecalls.co, sorted by model year.

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Common Milan Fault Codes

These are the most common Milan fault codes that people are searching for.

Error Icon P0022

Intake Camshaft Position Timing - Over-Retarded (Bank 2)

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Severity Icon 6/10

Error Icon P0174

System Too Lean (Bank 2)

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Severity Icon 8/10

Error Icon P0301

Cylinder 1 Misfire Detected

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Severity Icon 7/10

Error Icon P0430

Catalyst System Efficiency Below Threshold (Bank 2)

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Error Icon P0410

Secondary Air Injection System Malfunction

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Severity Icon 7/10

Error Icon P0420

Catalyst System Efficiency Below Threshold (Bank 1)

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Severity Icon 7/10

Error Icon P0171

System Too Lean (Bank 1)

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Severity Icon 8/10

Error Icon P0304

Cylinder 4 Misfire Detected

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Error Icon P0117

Engine Coolant Temperature Circuit Low Input

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Error Icon P0202

Injector Circuit Malfunction - Cylinder 2

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Error Icon P1450

Unable To Bleed Up Fuel Tank Vacuum

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Severity Icon 3/10

Error Icon P0456

Evaporative Emissions System Small Leak Detected

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Severity Icon 6/10

Error Icon P0020

Intake Camshaft Position Actuator Circuit / Open (Bank 2)

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Error Icon P2004

Intake Manifold Runner Control (IMRC )

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Error Icon P1299

Cylinder Head Overtemperature Protection Active

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Error Icon P1000

System readiness test not complete

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Severity Icon 7/10

Error Icon P2096

Post Catalyst Fuel Trim System Too Lean Bank 1

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Error Icon P1151

Lack Of HO2S21 Switch - Sensor Indicates Lean

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Error Icon P1506

Idle Air Control Overspeed Error

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Error Icon B1318

Battery Voltage Low

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Severity Icon 7/10

Error Icon P2196

O2 Sensor Signal Stuck Rich

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Severity Icon 7/10

Error Icon P0010

Intake Camshaft Position Actuator Circuit / Open (Bank 1)

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Severity Icon 9/10

Error Icon P0011

Intake Camshaft Position Timing - Over-Advanced (Bank 1)

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Severity Icon 9/10

Error Icon P0012

Intake Camshaft Position Timing - Over-Retarded (Bank 1)

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Severity Icon 7/10

Error Icon P0013

Exhaust Camshaft Position Actuator Circuit / Open (Bank 1)

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Severity Icon 8/10

Error Icon P0014

Exhaust Camshaft Position Timing - Over-Advanced (Bank 1)

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Severity Icon 8/10

Error Icon P0016

Crankshaft Position Camshaft Position Correlation Bank 1 Sensor A

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Severity Icon 8/10

Error Icon P0017

Crankshaft Position Camshaft Position Correlation Bank 1 Sensor B

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Severity Icon 4/10

Error Icon P0036

Heated Oxygen Sensor (HO2S) Heater Control Circuit Bank 1 Sensor 2

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Severity Icon 4/10

Error Icon P0102

Mass or Volume Air Flow Circuit Low Voltage Input

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Severity Icon 8/10

Error Icon P0106

Manifold Absolute Pressure/Barometric Pressure Circuit Range/Performance Problem

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Severity Icon 8/10

Error Icon P0113

Intake Air Temperature Circuit High Input

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Severity Icon 4/10

Error Icon P0128

Coolant Thermostat (Coolant Temp Below Thermostat Regulating Temperature)

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Severity Icon 6/10

Error Icon P0131

O2 Sensor Circuit Low Voltage (Bank 1 Sensor 1)

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Severity Icon 7/10

Error Icon P0134

O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 1)

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Severity Icon 6/10

Error Icon P0135

O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 1)

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Severity Icon 4/10

Error Icon P0137

O2 Sensor Circuit Low Voltage (Bank 1 Sensor 2)

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Severity Icon 6/10

Error Icon P0138

O2 Sensor Circuit High Voltage (Bank 1 Sensor 2)

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Severity Icon 6/10

Error Icon P0141

O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)

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Severity Icon 5/10

Error Icon P0172

System Too Rich (Bank 1)

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Severity Icon 5/10

Error Icon P0175

System Too Rich (Bank 2)

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Severity Icon 9/10

Error Icon P0300

Random/Multiple Cylinder Misfire Detected

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Severity Icon 8/10

Error Icon P0302

Cylinder 2 Misfire Detected

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Severity Icon 8/10

Error Icon P0303

Cylinder 3 Misfire Detected

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Severity Icon 8/10

Error Icon P0305

Cylinder 5 Misfire Detected

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Severity Icon 8/10

Error Icon P0306

Cylinder 6 Misfire Detected

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Severity Icon 3/10

Error Icon P0325

Knock Sensor 1 Circuit (Bank 2 or Single Sensor)

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Severity Icon 8/10

Error Icon P0332

Knock Sensor 2 Circuit Low Input (Bank 2)

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Severity Icon 8/10

Error Icon P0335

Crankshaft Position Sensor A Circuit Malfunction

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Severity Icon 6/10

Error Icon P0341

Camshaft Position Sensor Circuit Range/Performance

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Severity Icon 7/10

Error Icon P0401

Exhaust Gas Recirculation Flow Insufficient Detected

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Severity Icon 3/10

Error Icon P0441

Evaporative Emission Control System Incorrect Purge flow

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Severity Icon 3/10

Error Icon P0442

Evaporative Emission Control System Leak Detected

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Severity Icon 3/10

Error Icon P0446

Evaporative Emission Control System Vent Control Circuit Malfunction

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Severity Icon 4/10

Error Icon P0449

Evaporative Emission Control System Vent Valve/Solenoid Circuit Malfunction

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Severity Icon 4/10

Error Icon P0455

System Gross Leak Evaporative Emission

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Severity Icon 5/10

Error Icon P0463

Fuel Level Sensor Circuit High Input

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Severity Icon 3/10

Error Icon P0496

Evaporative Emission System High Purge Flow

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Severity Icon 3/10

Error Icon P0507

Idle Control System RPM higher Than Expected

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Severity Icon 9/10

Error Icon P0700

Transmission Control System Malfunction

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Severity Icon 6/10

Error Icon P2097

Post Catalyst Fuel Trim System Too Rich Bank 1

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Severity Icon 9/10

Error Icon P2135

Throttle/Pedal Position Sensor/Switch A / B Voltage Correlation

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Severity Icon 9/10

Error Icon P2138

Throttle/Pedal Position Sensor/Switch D/E Voltage Correlation

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Severity Icon 7/10

Error Icon P219A

Bank 1 Air/Fuel Ratio Imbalance

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