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engine code p0171

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Old 18 June 2013, 11:40 AM
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grant_wrxsti
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Default engine code p0171
took my car to Subaru this morning and was diagnosed with p0171 and p0172.

fuel running to lean/rich. anyone have any ideas what these could be and cost of fixing.
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Old 18 June 2013, 10:59 PM
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jason_2013
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What model of Subaru is it. Also is it standard or what mods has it got. Any actual problem with the way it drives?
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Old 18 June 2013, 11:37 PM
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grant_wrxsti
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Its a 2003 wrx sti with the ppp fitted no other mods...runs fine and is boosting...idle speed fine.
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Old 19 June 2013, 12:01 AM
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RICHARD J
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Originally Posted by grant_wrxsti
Its a 2003 wrx sti with the ppp fitted no other mods...runs fine and is boosting...idle speed fine.
Air leak, MAF or O2 sensor.
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Old 06 October 2013, 06:38 PM
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Tafflowe
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I just had the same problem got O2 sensor replaced and it comes on after the car gets a little jumpy
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