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What does code 7EA engine mean?
7EA is not a trouble code. Some OBD scanners display this code when it needs more info, such as which component group to check. Your engine light may have come on due to a temporary misread of an engine sensor. Clear the Check Engine light, and keep an eye on it. I prefer to use the scanner to reset the CE.
What is code $07 e8?
The code you have points to too much air in the exhaust so you either have an air leak in the vaccum system after the Maf or indeed a bad Marf sensor thats misreporting what air is passing by it.
