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Mazda MPV
8223 messages, Last post on Dec 14, 2011 at 1:46 PM
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What is this discussion about? Mazda MPV, Van
#8222 of 8223 Trying to resolve P2187 and P2189 codes... by mpv2005
Dec 13, 2011 (11:21 pm)
The Check Engine light on my 2005 MPV with 89K miles, has been coming on. I'm getting either P2187 (System too lean at idle bank 1) or P2189 (System too lean at idle bank 2) codes.I removed the MAFS and sprayed it with electronic contact cleaner, but that did not resolve it.
The CE light sometimes turns off by itself, and it is more likely to come back on when the weather is wet. That leads me to think there may be a bad contact somewhere, but if its not the MAFS, what can it be?
The engine runs fine; idling, cold-start, acceleration, etc are fine.
I'm looking for suggestions on what can be causing the codes before I go to the dealer. Thanks!
- jipster (Dec 14, 2011 1:46 pm)
Replies to this message:
#8223 of 8223 Re: Trying to resolve P2187 and P2189 codes... [mpv2005] by jipster
Dec 14, 2011 (1:46 pm)
Replying to: mpv2005 (Dec 13, 2011 11:21 pm)
Oxygen sensors and IAC valve have been known to be problematic in the MPV. CE light in wet weather usually means ignition coils. But, you say van runs fine.
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