I have a 2003 chevy Silverado with codes stating p0171 p0174 90101 what does this mean

Asked by Jan 07, 2015 at 05:23 PM

Question type: Maintenance & Repair

1 Answer

375

The alternator may have vaguely been connected to the codes. The codes are for lean fuel mixture on bank 1 (P0171) and bank 2 (P0174). A low voltage condition due to the alternator being bad could possibly have caused this.

Your Answer:

Maintenance & Repair Experts

  • #1
    Tom Demyan
    Reputation
    209,370
  • #2
    dandyoun
    Reputation
    104,030
  • #3
    tennisshoes
    Reputation
    92,980
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.