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Old 12-29-2014, 05:36 PM   #3
mump
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Join Date: May 2011
Location: Johnstown, PA
Posts: 195
Actually, I had a really noticeable flat spot under hard throttle this summer when I was trouble shooting my MAF issues. This is how I fixed it:

Every time I was working on the car and then driving it, I got a flat spot at 4500 rpms. To get rid of it, let the car completely cool off, say overnight. Next morning, disconnect the battery for a couple mins. Reconnect battery. Turn the key on but don't start it (don't touch the pedals) for a minute. Turn the car off. Start the car and let it idle for 5 mins. You should be good to go from there.

Sounds silly, but if I didn't do that - that flat spot would hit hard, esp. ripping down the autobahn.
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