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Air filter

Tiny
PISTOL PETE 310
  • MEMBER
  • 2001 CHEVROLET S-10
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 47,560 MILES
I have a 2001 chevy s-10 v6 4.3 engine and I replace the air filter with a high performance K & N filter. And I am getting two codes P0171 & P0174. I was reading online that it was getting to much air so that's why I am getting those codes HELP!
Wednesday, February 23rd, 2011 AT 4:31 AM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Lean fuel condition could be caused by one of the following below:

1. Vacuum leaks
2. EGR and PCV valve.
3. Low fuel pressure.
4. Dirty fuel injectors.
5. Mass Air Flow Sensor.
6. Oxygen Sensor.
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Wednesday, February 23rd, 2011 AT 4:34 AM
Tiny
MHPAUTOS
  • MECHANIC
  • 31,938 POSTS
I would be checking that oil from the K&N filter pad has not contaminated the air flow mere element, I have seen this before.

Mark (mhpautos)
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Wednesday, February 23rd, 2011 AT 4:43 AM

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