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Bad idle and misfir...
 
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Bad idle and misfire

  

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I got 1999 honda civic (d16y) that idle on 2000 or more. After i removed the map sensor she drop to 1200. I clean it and still same problem is the map sensor bad ? 

And she misfire i put new spark plugs and same. Is it the coils or the distributor or the fuel injector ?


2 Answers
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It could be all the things you’ve mentioned.

Check your IAC (Idle Air Control) valve. Also, watch Scotty’s video on how to make your car run better with a little spray cleaner. 

Did you scan for any trouble codes?


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Definitely the MAP sensor is not functioning properly. Buy an OEM one and replace it.


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