You can find common Mercury Mariner 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.
Search Mercury Mariner Codes
Do you know the fault code already? Enter it in the box below and hit "Search Codes".
Mercury Mariner 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 Mariner has any recall notices on our sister site AutoRecalls.co, sorted by model year.View Mercury Mariner Recalls »
Common Mariner Fault Codes
These are the most common Mariner fault codes that people are searching for.
Exhaust Gas Recirculation Flow MalfunctionLearn More
Gear 2 Incorrect RatioLearn More
Gear 4 Incorrect RatioLearn More
O2 Sensor Signal Stuck Lean Bank 1 Sensor 2Learn More
Unable To Bleed Up Fuel Tank VacuumLearn More
System readiness test not completeLearn More
Keep Alive Power Voltage Too LowLearn More
Cylinder Head Overtemperature Protection ActiveLearn More
Lack Of HO2S21 Switch - Sensor Indicates LeanLearn More
Idle Air Control Overspeed ErrorLearn More
Battery Voltage LowLearn More
- Manufacturer: Mercury