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Irregular Idle

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Old Nov 14, 2017, 11:07 PM   #1
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Drives: 2011 Evo X GSR

Irregular Idle

A friend actually Brought this to my attention, but my car seems to be sputtering ever so slightly, and the car tries to adjust by idling at higher rpms. I recently changed the plugs maybe a month ago. What could be the issue here?
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Old Nov 15, 2017, 04:15 AM   #2
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Drives: 2010 EVO X GSR

Did you only do the plugs? A boost leak is another possibility, I'd run a leak test.
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Old Nov 16, 2017, 12:36 PM   #3
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Check each plug's torque.

Listen for a vacuum leak.

Replace the fuel pressure regulator relay.
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