Hyundai Aftermarket

Engine, Intake, Exhaust Modifications to your Normally Aspirated Hyundai engine. Cold Air Intakes, Spark Plugs/wires, Cat back Exhaust...etc.

Very Rough Idle, Bouncing Rpm's

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Old Aug 1, 2009 | 12:16 PM
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  #31  
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Role Reversal
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There is a vacum leak.
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Old Aug 1, 2009 | 12:35 PM
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SOCKS_old
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or the wiring is f***ed from FIC to MAF
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Old Aug 1, 2009 | 01:00 PM
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  #33  
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that would do it too.
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