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#1
04-08-2021, 11:59 PM
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2015 Dart misfire problems.
There isn't a Dart sub forum, so I hope it's ok to post here.
But my wife's car has been having what seems to be a misfire or a fluttering thing going on. It happens when sitting idle or giving it gas. I have changed the plugs, coils and the fuel pump relay. Even put it on the computer at autozone and it said I needed to change the map censor which I did. At first it will run fine. But after a while it will start to misfire/flutter again. Was going to replace the fuel pump but wanted to get other opinions. Have no idea what to try next before I take it to the shop. Thanks. 
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#2
05-05-2021, 03:45 AM
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Re: 2015 Dart misfire problems.
What a lazy dead forum. Ill go somewhere else.
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#3
07-06-2021, 12:58 AM
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Re: 2015 Dart misfire problems.
i know right
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#4
07-08-2021, 12:47 PM
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Re: 2015 Dart misfire problems.
There's really no diagnostic code for "MAP sensor is bad" but rather there are codes that indicate sensor readings that are not what is expected. Based on your symptoms, I would suspect you have a vacuum leak somewhere that is causing the MAP sensor code and the fluttering/misfire. A vacuum leak will cause the system to see more air and run leaner than what the MAP sensor expects.
-Rod
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