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Fault code P2187

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Old May 10th, 2013, 20:20   #1
Aveton Gifford
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Default Fault code P2187

Right, continuing with my engine running strangely, I have now purchased a code reader and used it with the Torque app and this was the result I got

P2187-Powertrain system too lean at idle bank 1

Anybody able to shed some light on what this means please?
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Old May 10th, 2013, 20:41   #2
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I'm probably on a different planet, but...
Front Lambda getting a faulty reading from MAF????
Perhaps the MAF is fouled or faulty.
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Old May 10th, 2013, 21:24   #3
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I thought it could be the MAF, but having looked it up online, there was a recall on S40's due to this fault code and it was because the PCV units were splitting, and mine started playing up not long after I cleaned mine out, so maybe one of the pipes is loose?

I will check this and then check the MAF

Anybody have any other ideas??
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Old May 11th, 2013, 16:49   #4
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Anybody any other ideas at all?
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Old May 11th, 2013, 19:49   #5
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Probably an air leak somewhere after the MAF
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Old May 18th, 2013, 23:53   #6
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Quote:
Originally Posted by Marmitespreader View Post
I'm probably on a different planet, but...
Front Lambda getting a faulty reading from MAF????
Perhaps the MAF is fouled or faulty.
You were right, new MAF and the light hasn't come back on (yet!)

Now all I need to do is sort out this hesitation under hard acceleration and when going uphill!
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