1993 mercury grand marq
#1
1993 mercury grand marq
check engine light comes on after driving the car for 10 to 20 minutes. what could be the problem. engine size is v8
#2
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Join Date: Dec 2001
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well first you need to have codes read if you have a local autozone sometimes they are able to do it for you.
just guessing most likely a o2 sensor or clogged egr passageway is the most common reason for the light to come on for this model but wont no for sure until you have your codes read.
just guessing most likely a o2 sensor or clogged egr passageway is the most common reason for the light to come on for this model but wont no for sure until you have your codes read.