2010 Mercury Mariner Support Question
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Question posted by richardgussler1 on April 24th, 2015
Engine Fault Lit In Info Panel
engine light stays lit up all the time when driving.
Current Answers
Answer #1: Posted by freginold on May 22nd, 2015 4:52 AM
When the check engine light comes on, there is a code (or multiple codes) that is generated and stored in the engine computer. Many auto parts will scan your car and read the codes for free, or you could do it yourself with a OBD scan tool. A good but inexpensive one is the Autel MaxiScan MS300. You can also buy smaller scanners that work over Bluetooth or Wi-Fi, that connect to your iPhone or computer and display the code there. Once you have the code, it makes it a lot easier to troubleshoot the problem.
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