Rough idle smoking after running a while

Asked by Feb 21, 2016 at 05:26 AM about the 2002 Jeep Grand Cherokee Overland 4WD

Question type: Maintenance & Repair

cranked up it runs fine but after running for 30
minutes it will have a rough idle and smoke

2 Answers

73,765

Sounds like it may need a tune-up, a going over, throttle body cleaning, checked for codes. The 02 sensor could be a cause.

1 of 1 people found this helpful.
Best Answer Mark helpful
114,195

What color smoke? Black is unburnt fuel, blue is oil and white is engine coolant(water).

Your Answer

Jeep Grand Cherokee Experts

  • #1
    inuevafreak
    Reputation
    2,120
  • #2
    Tom Demyan
    Reputation
    1,890
  • #3
    thejeepdoctor
    Reputation
    1,820
View All

Related Models For Sale

Used Jeep Cherokee
365 Great Deals out of 47,069 listings starting at $2,795
Used Jeep Wrangler
315 Great Deals out of 16,229 listings starting at $2,500
Used Ford Explorer
852 Great Deals out of 63,389 listings starting at $995
Used Dodge Durango
305 Great Deals out of 21,420 listings starting at $2,195
Used Toyota 4Runner
298 Great Deals out of 21,851 listings starting at $1,700
Used Chevrolet Tahoe
653 Great Deals out of 39,510 listings starting at $1,000
Used Ford F-150
2,317 Great Deals out of 183,061 listings starting at $1,000
Used Chevrolet Silverado 1500
2,134 Great Deals out of 167,340 listings starting at $1,995
Used BMW X5
444 Great Deals out of 12,266 listings starting at $2,000
Used Ford Mustang
730 Great Deals out of 38,316 listings starting at $895
Used Chevrolet Camaro
416 Great Deals out of 30,789 listings starting at $3,550

Used Cars For Sale

2018 Jeep Grand Cherokee Overland 4WD For Sale
1,517 listings starting at $40,331
2017 Jeep Grand Cherokee Overland 4WD For Sale
3 Great Deals out of 1,539 listings starting at $33,000
2016 Jeep Grand Cherokee Overland 4WD For Sale
121 listings starting at $43,703
2015 Jeep Grand Cherokee Overland 4WD For Sale
25 Great Deals out of 515 listings starting at $24,995
2014 Jeep Grand Cherokee Overland 4WD For Sale
24 Great Deals out of 641 listings starting at $17,750

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.