Ford Taurus 2001 lx running lean

Asked by GuruTBH96 Jun 25, 2018 at 12:46 PM about the 2001 Ford Taurus LX

Question type: Maintenance & Repair

It's pulling three codes p1151, both downstream o2
senser are saying heater circuit malfunction. I can't
remember the codes on top of my head.

I've replaced the all sensers
I've checked the intake for vacuum leaks nothing.
I need some help finding the problem. Before
smog.

2 Answers

103,215

Try checking fuel pressure (pump, filter, regulator, injectors), double check for vacuum leaks, and check the EGR if it's sticking or stuck open. Then check exhaust for leaks.

Your Answer:

CarGurus Experts

  • #1
    Gene Arnett
    Reputation
    3,990
  • #2
    MrBlueOval
    Reputation
    3,790
  • #3
    Christopher Paden
    Reputation
    3,180
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Ford Explorer
86 Great Deals out of 2,065 listings starting at $2,999
Used Ford F-150
321 Great Deals out of 14,968 listings starting at $1,712
Used Chevrolet Impala
9 Great Deals out of 107 listings starting at $4,632
Used Ford Mustang
65 Great Deals out of 1,259 listings starting at $4,995
Used Toyota Camry
52 Great Deals out of 985 listings starting at $2,212
Used Honda Accord
40 Great Deals out of 910 listings starting at $1,599
Used Jeep Grand Cherokee
109 Great Deals out of 3,238 listings starting at $4,995
Used Ford Focus
23 Great Deals out of 487 listings starting at $2,250
Used Ford Expedition
23 Great Deals out of 821 listings starting at $7,888
Used Dodge Durango
46 Great Deals out of 2,266 listings starting at $5,500

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. Content will be removed if CarGurus becomes aware that it violates our policies.