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

65,305

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

Best Answer
108,725

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

Your Answer

Add photo

Related Questions

Search Jeep Grand Cherokee Questions

Jeep Grand Cherokee Experts

#1 inuevafreak
inuevafreak
Reputation 2,030
#2 Tom Demyan
Tom Demyan
Reputation 1,810
#3 thejeepdoctor
thejeepdoctor
Reputation 1,730
View All

Related Models For Sale

Used Jeep Cherokee
420 Great Deals out of 60,233 listings starting at $2,500
Used Jeep Wrangler
267 Great Deals out of 18,571 listings starting at $2,995
Used Ford Explorer
779 Great Deals out of 74,624 listings starting at $750
Used Toyota 4Runner
257 Great Deals out of 20,308 listings starting at $1,995
Used Dodge Durango
253 Great Deals out of 22,834 listings starting at $1,500
Used Chevrolet Tahoe
566 Great Deals out of 27,189 listings starting at $999
Used Ford F-150
2,229 Great Deals out of 208,628 listings starting at $1,499
Used Chevrolet Silverado 1500
1,732 Great Deals out of 166,791 listings starting at $1,800
Used BMW X5
434 Great Deals out of 16,326 listings starting at $2,000
Used Ford Mustang
364 Great Deals out of 46,804 listings starting at $1,999
Used Chevrolet Camaro
154 Great Deals out of 32,700 listings starting at $1,995
Used Jeep Liberty
239 Great Deals out of 7,226 listings starting at $990

Used Cars For Sale

2017 Jeep Grand Cherokee Overland 4WD For Sale
4 Great Deals out of 4,176 listings starting at $37,988
2016 Jeep Grand Cherokee Overland 4WD For Sale
5 Great Deals out of 171 listings starting at $34,876
2015 Jeep Grand Cherokee Overland 4WD For Sale
16 Great Deals out of 458 listings starting at $25,900
2014 Jeep Grand Cherokee Overland 4WD For Sale
28 Great Deals out of 759 listings starting at $20,000
2013 Jeep Grand Cherokee Overland 4WD For Sale
3 Great Deals out of 168 listings starting at $14,585