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Old 08-16-2011, 09:17 AM   #4
2006 ion2
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Join Date: Jun 2007
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2007 ION-2 Sedan
Default Re: p0171 p0106 p0506 DTCs...troubleshooting advice?

Replace the throttle body seal and intake manifold seals. They should be cheap enough, and should eliminate leaks that would cause these codes. Since you have a MAF sensor, you could also have a leak in your intake tubing joints or the maf mounting flange, so check those for tightness.
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