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2001 v40 codes

Help, Advice, Owners' Discussion and DIY Tutorials on S40 and V40. In this forum you'll find S40/V40-specific owners asking and answering questions on maintenance, ownership, repairs, tutorials and almost every do-it-yourself thing you can do to save money owning these Volvos.

1996 - 2004 S40
1996 - 2004 V40
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gregandleah
Posts: 1
Joined: 28 November 2015
Year and Model: 2001 V40
Location:

2001 v40 codes

Post by gregandleah »

after several codes replaced both o2 sensors new platinum plugs new coil pacs new wires cleaned maf reset codes still getting misfire codes for all cylinders and po172 which is "engine too rich bank1", rough starting idle up and down, after it warms up runs great next is maf sensor but the misfire codes have me stumped any suggestions
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alschnertz
Posts: 701
Joined: 29 April 2011
Year and Model: 1995 854T
Location: Connecticut
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Post by alschnertz »

Try cleaning the IAC (idle air control).
'60 PV544, '68 220, '70 145S, '86 745T, '95 854T, '01 S40
'84 Prelude
'06 MPV
'13 Ford Focus SE
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