1994 explorer keeps showing open loop on o2 sensor could this be a problem with not having power ?

Asked by dennismast Dec 03, 2012 at 07:06 PM about the 1994 Ford Explorer

Question type: General

1 Answer

176,065

Yes. That would put the engine in the limp mode to get you home. The O2 sensor sends info to the ECU to regulate the amount of fuel going into the engine - that would be closed loop . When the O2 sensor fails, the ECU richens the mixture and sometimes reduces the power to protect the engine.

Your Answer:

CarGurus Experts

  • #1
    OJ
    Reputation
    30,850
  • #2
    TransAm77
    Reputation
    7,790
  • #3
    Gene Arnett
    Reputation
    7,280
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Ford F-150
315 Great Deals out of 13,484 listings starting at $4,888
Used Chevrolet Tahoe
10 Great Deals out of 763 listings starting at $7,499
Used Jeep Grand Cherokee
138 Great Deals out of 3,611 listings starting at $4,295
Used Toyota 4Runner
21 Great Deals out of 542 listings starting at $8,960
Used GMC Yukon
11 Great Deals out of 919 listings starting at $5,890

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.