You can find common Mercury Mountaineer 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 Mountaineer 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 Mountaineer has any recall notices on our sister site AutoRecalls.co, sorted by model year.View Mercury Mountaineer Recalls »
Common Mountaineer Fault Codes
These are the most common Mountaineer fault codes that people are searching for.
Insufficient Coolant Temperature for Closed Loop Fuel ControlLearn More
Evaporative Emission Control System Leak DetectedLearn More
Misfire Detected On Startup (First 1000 Revolutions)Learn More
CAN Communication Bus FaultLearn More
System readiness test not completeLearn More
Cylinder Head Overtemperature Protection ActiveLearn More
Unable To Bleed Up Fuel Tank VacuumLearn More
DPFE Circuit High InputLearn More
Transmission Indeterminate Failure (Failed to Neutral)Learn More
Lack Of HO2S Switch - Sensor Indicates LeanLearn More
Lack Of HO2S21 Switch - Sensor Indicates LeanLearn More
Idle Air Control Overspeed ErrorLearn More
Battery Voltage LowLearn More
- Manufacturer: Mercury