Question about Mercury Grand Marquis
The check engine light is not a big cause for concern. Most of the time it relates to emmision controls or engine controls, but it will not die on you from one of these conditions. Simply get a auto parts store to pull the code for you and find out what is causing the light to come on. I know Autozone pulls codes for free, once you find out what is tripping the light we can go from there on fixing it. If you do manage to reset the light if the problem is still there the light will return. What happened earlier was the cars computer reseting and relearning the idle speed.
Posted on Mar 24, 2011
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Posted on Jan 02, 2017
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