trouble codes

Asked by Viper_987654385 Mar 26, 2017 at 06:54 PM about the 2002 Jeep Grand Cherokee Limited 4WD

Question type: Maintenance & Repair

performed diagnostic on my 02 Grand
Cherokee Limited 4.7L......p0161
appeared....i then installed the "bank 2
sensor 2" O2 sensor....once installed, i
performed another self- diagnostic test and
both p0161 and p0158 trouble codes
appeared......im puzzled.....what's next?

1 Answer
223,755

Rowefast answered 7 years ago

P0161 JEEP - O2 Sensor 2/2 Heater Performance...Possible causes; Faulty Rear Heated Oxygen Sensor Bank 2, Rear Heated Oxygen Sensor Bank 2 harness is open or shorted, Rear Heated Oxygen Sensor Bank 2 circuit poor electrical connection, Inappropriate fuel pressure, Faulty fuel injectors, Intake air leaks, Exhaust gas leaks... Replacing the Rear Heated Oxygen Sensor Bank 2 usually takes care of the problem.......P0158 JEEP - O2 Sensor 2/2 Circuit High...Possible causes; Faulty Rear Heated Oxygen Sensor Bank 2, Rear Heated Oxygen Sensor Bank 2 harness is open or shorted, Rear Heated Oxygen Sensor Bank 2 circuit poor electrical connection, Inappropriate fuel pressure, Faulty fuel injectors, Intake air leaks, Exhaust gas leaks.

Mark helpful

Your Answer:

Related Questions

  • trouble codes 1 Answer

    performed diagnostic on my 02 Grand Cherokee Limited 4.7L......p0161 appeared....i then installed the "bank 2 sensor 2" O2 sensor....once installed, i performed another self- diagnostic test and ...

    2002 Jeep Grand Cherokee Limited 4WD

    -

    Maintenance & Repair

  • Can a diagnostic computer read trouble when there's no trouble codes set ? 1 Answer

    I have a 1997 Jeep Grand Cherokee Laredo 4.0l it idles rough and when it gets warm it starts blowing white smoke that smells like fuel. But I'm getting no trouble codes. I have changed the fuel pu...

    1997 Jeep Grand Cherokee Laredo 4WD

    -

    Maintenance & Repair

  • trouble codes 1 Answer

    2002 Jeep Grand Cherokee Limited 4WD

    -

    Maintenance & Repair

  • Trouble Codes 3 Answers

    hello!!!....i have a 2002 Grand Cherokee Limited 4.7L.....my check engine light came on, so i conducted a self-diagnostic test and the test revealed a p0161 code.......i was advised to replace th...

    2002 Jeep Grand Cherokee Limited 4WD

    -

    Maintenance & Repair

  • codes 1 Answer

    What does the following codes mean PO520 PO524

    2005 Jeep Grand Cherokee Limited 4WD

    -

    Maintenance & Repair

Own this car?

Share your experience with others.

2002 Jeep Grand Cherokee

Write a car review

Review another car

Shortcuts

Search Jeep Grand Cherokee Questions

CarGurus Experts

  • #1
    Hornet_2497
    Reputation
    8,960
  • #2
    Gene Arnett
    Reputation
    7,010
  • #3
    thejeepdoctor
    Reputation
    6,560
View All

Know more, shop wisely

Search

Related Models For Sale

Used Dodge Durango
888 Great Deals out of 22,359 listings starting at $850
Used Jeep Wrangler
3,290 Great Deals out of 61,527 listings starting at $3,500
Used Jeep Cherokee
1,227 Great Deals out of 14,486 listings starting at $3,950
Used Ford F-150
6,443 Great Deals out of 163,388 listings starting at $992
Used Toyota 4Runner
994 Great Deals out of 10,885 listings starting at $3,500
Used Ford Explorer
2,324 Great Deals out of 55,788 listings starting at $1,995
Used Chevrolet Tahoe
1,381 Great Deals out of 34,533 listings starting at $1,550
Used Chevrolet Silverado 1500
4,255 Great Deals out of 121,345 listings starting at $1,999
Used Chevrolet Camaro
598 Great Deals out of 8,387 listings starting at $1,877

Used Cars For Sale

2024 Jeep Grand Cherokee Limited 4WD For Sale
19 Great Deals out of 5,262 listings starting at $32,995
2023 Jeep Grand Cherokee Limited 4WD For Sale
129 Great Deals out of 898 listings starting at $26,800
2022 Jeep Grand Cherokee Limited 4WD For Sale
92 Great Deals out of 777 listings starting at $20,675
2021 Jeep Grand Cherokee Limited 4WD For Sale
167 Great Deals out of 1,719 listings starting at $13,995
2020 Jeep Grand Cherokee Limited 4WD For Sale
64 Great Deals out of 789 listings starting at $11,900

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.