I have a 2001 ford Ranger I have a code for p0171 system too lean bank one. I already changed intake gasket still have code coming up. what else can I look for

Asked by Jun 21, 2017 at 05:56 PM

Question type: Maintenance & Repair

2 Answers

85,675

The O2 sensor on that side may be bad.

28,045

easy stuff first..fuel pressure/filter ok..we never know ox sensors ok?..is there a vacuum leak??have you sprayed the intake area/all hoses? egr ok?spay it too all over and under... a dirty airflow sensor ... just clean or replace the MAF

Your Answer

Shortcuts

Maintenance & Repair Experts

  • #1
    Tom Demyan
    Reputation
    185,980
  • #2
    dandyoun
    Reputation
    97,220
  • #3
    tennisshoes
    Reputation
    82,410
View All

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.