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Old 03-14-2018, 10:42 AM   #2 (permalink)
JARblue
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Join Date: Mar 2011
Location: Austin, TX
Age: 43
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The car redlines by itself in neutral? That seems crazy. And certainly isn't good for it

My idle revs increase sometimes. But I'm talking like from normal idle (~1K RPMs) to maybe 2500 or 3000 RPMs at most. It's usually due to dirty MAF sensors or throttle bodies. I clean them and the idle revs settle right back down to normal.

It sounds like you have a different issue though. Hope someone else can chime in and help.
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