Obd codes po171,po174

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Feb 21, 2014 | 12:13 PM

Ness925

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Joined: Oct 2012

Posts: 60

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From: MARYLAND

Obd codes po171,po174

IM GETTing codes po171 bank1 too lean
po174bank2 too lean
can someone tell me what the fix is thx
2009 xf s/c

Last edited by Ness925; Feb 21, 2014 at 12:20 PM.

Feb 21, 2014 | 12:15 PM

Brutal

Joined: Sep 2008

Posts: 7,255

Likes: 2,209

From: Damon /Houston, Texas

without knowing what engine and model you have for a Jaguar my only responce right off the batt is, black electrical tape over the light

Feb 21, 2014 | 03:31 PM

sir2

Senior Member

Joined: Aug 2012

Posts: 107

Likes: 22

From: anonymous

Quote:

Originally Posted by Ness925

IM GETTing codes po171 bank1 too lean
po174bank2 too lean
can someone tell me what the fix is thx
2009 xf s/c

lean codes are usually vacuum leaks. bring it to a shop and have them smoke the engine to see where to vac leak is coming from.

common faults for that code is the side gasket between the super charger and intercooler

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