running rich

Asked by Ray21551 Jan 04, 2020 at 01:25 PM about the 2004 Ford F-150 Heritage 2 Dr XLT Standard Cab LB

Question type: Maintenance & Repair

is it worth replacing O2 sensor before plugs and plug wires when engine runs
rich, little rough idle?

2 Answers

F_O_R answered 4 years ago

If they are bad, replace them. There are no plug wires, you have coils on plugs.

1 people found this helpful.
Mark helpful

Ray21551 answered 4 years ago

Replaced both o2 sensors. It's running better but still has a noxious exhaust smell and rough idle when in gear.

Mark helpful

Your Answer:

Related Questions

Looking for a Used F-150 Heritage in your area?

CarGurus has thousands of nationwide listings and the tools to find you a great deal.

Postal Code:

Shortcuts

Search Ford F-150 Heritage Questions

CarGurus Experts

  • #1
    Robert Belden
    Reputation
    200
  • #2
    moabmusher
    Reputation
    160
  • #3
    James Fletcher
    Reputation
    120
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Ford F-150
321 Great Deals out of 14,968 listings starting at $1,712
Used Ford F-150 SVT Lightning
3 listings starting at $35,989
Used Toyota Tundra
35 Great Deals out of 1,184 listings starting at $8,500
Used Chevrolet Silverado 1500
202 Great Deals out of 5,975 listings starting at $2,975
Used Ford Expedition
23 Great Deals out of 821 listings starting at $7,888
Used Ford Ranger
18 Great Deals out of 1,529 listings starting at $2,888
Used GMC Sierra 1500
148 Great Deals out of 7,258 listings starting at $3,950

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.