Volvo S80 A performance sedan that offers top notch luxury, outstanding handling and so much more.

Codes P0171 and P0174

  #1  
Old 07-21-2012, 02:24 PM
Member
Thread Starter
Join Date: Feb 2009
Posts: 35
Default Codes P0171 and P0174

Have both codes 0171 and 0174 both systems 1 and 2 too lean banks 1 and 2. Car is a 2001 2.9l non turbo with 178K miles on it. original CAT converter and original sensors. Where do I start? I can replace the spark plugs, which were replaced about 25K miles ago. and I have a K&N air filter. Should I replace the spark plugs clean the K&N air filter and clean the MAF meter? does that make sense to start there?

What drives these codes to come up?

Thanks
 
  #2  
Old 08-05-2012, 08:29 PM
Member
Thread Starter
Join Date: Feb 2009
Posts: 35
Default P0171 and P0174

I continue to chase this problem. I do have a K&N air filter that I cleaned. I also just took the MAF sensor out and cleaned it with a CRC MAF sensor spray cleaner. I did read that this could be a primary problem if the MAF sensor gets dirty from the K&N filter. Will report back on how this cleaning did. I cleared the codes and ran the car to reset the air fuel ratios. Will take several trips to see if the codes reappear.
 
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Turbo_Boss
Volvo XC90
8
01-01-2018 01:08 PM
adr3naline fix
Volvo S70
1
09-14-2013 01:02 AM
gruzin
Volvo S80
0
03-22-2010 06:04 PM
JimKW
Volvo V70
17
04-14-2009 08:52 PM
seala8
Volvo S70
1
01-04-2009 01:48 PM


Thread Tools
Search this Thread
Quick Reply: Codes P0171 and P0174


Advertising
Featured Sponsors
Vendor Directory

Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service

© 2019 MH Sub I, LLC dba Internet Brands

We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.