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Old 11-06-2011, 10:33 AM   #13
thom4782
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Join Date: Sep 2010
Location: Foster City CA
Posts: 1,099
If the rough idle returns, you might consider the O2 sensors. I had a similar problem. No MAF or O2 codes, but I replaced MAF first and nothing changed. Then I replaced the O2 sensors car had 90K+ miles and they were getting tired. After driving for a few miles, the idle steadied right up and has been that way ever since.
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