Slightly rough idle
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Old July 8th, 2011, 12:03 AM   #1
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Slightly rough idle


I've been noticing a little bit of a rough idle lately, possibly a cylinder miss? I've never really felt a cylinder miss, its just been described by my dad, which he said was usually fixed with new plugs. Anyone have some input for me or suggestions?
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Old July 8th, 2011, 12:24 AM   #2
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it could be carbon in the iac, bad spark plugs, bad coil pack. Is it showing a code? Even if its not get a code read and report back with the news
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Old July 8th, 2011, 12:35 AM   #3
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I'm not sure if its throwing a code, I've got a code up already because of a exhaust leak. I'll check tomorrow though
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Old July 8th, 2011, 07:13 PM   #4
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it will feel like it has less power and the car will sound like a tractor while your going down the road.
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Old July 8th, 2011, 07:26 PM   #5
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Buy a can of MAF sensor cleaner and try that. If that doesn't fix things, then start looking at Spark Plugs, coil pack, or even vacuum leaks. I'm not sure if you have a CAI or not, but i'd check the vacuum line on that as well. Start with the easiest things first, then work towards the harder ones. If it was a cylinder miss, then you'd definitely notice it as well. It could also be dirty injectors, have you ran any injector cleaner through it lately?
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