Lean code on bank 1 and 2

Tiny
NICKTODD
  • MEMBER
  • 2005 FORD TAURUS
  • 3.0L
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 104,500 MILES
I keep getting a lean code for both banks (bank 1 and bank 2) and I cannot seam to figure out why.
Saturday, August 19th, 2017 AT 11:54 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,512 POSTS
Hello,

You will get a lean code on both banks if the MAF sensor is bad and needs to be replaced. When this sensor gets a little off it will cause the fuel delivery to be off because the computer sees it as less air going into the engine and gives it less fuel. This kind of problem may not give a MAF code.

Here is a guide to help you get the problem fixed:

https://www.2carpros.com/articles/how-to-replace-a-mass-air-flow-sensor-maf

Here is the part:

https://www.amazon.com/gp/product/B00BG3WVTI/ref=as_li_qf_sp_asin_il_tl?ie=UTF8&tag=2carprcom-20&camp=1789&creative=9325&linkCode=as2&creativeASIN=B00BG3WVTI&linkId=61e8417afd101b688e7bc8341c92a156

Please let us know what happens.

Cheers, Ken
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Sunday, August 20th, 2017 AT 12:03 PM

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