2005 MPV running lean MAF sensor has been replaced but CEL is still on. What next?

2005 MAZDA MPV
77,000 MILES
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MARKMPV
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code P2187 and Check Engine light on
Apr 27, 2012 at 6:26 PM
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FIXITMR
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what motor?
Apr 27, 2012 at 6:44 PM
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MARKMPV
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3.0 L
Apr 27, 2012 at 7:09 PM
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FIXITMR
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look for vacuum leaks usually hoses.
Apr 27, 2012 at 7:21 PM
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MARKMPV
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no vacuum leaks noted. Could it be a fuel injection issue? Maybe fuel injector cleaner in the tank could resolve?
Apr 27, 2012 at 7:25 PM
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FIXITMR
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alot of people use seafoam.
Apr 28, 2012 at 1:29 AM
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