rough idle

Asked by Jan 24, 2017 at 02:42 PM about the 2003 Chevrolet Suburban LS 1500 4WD

Question type: Maintenance & Repair

Rough idle when in gear or park. New plugs, wires,
fuel pressure sensor. Check engine light on &
sometimes blinks.

1 Answer

73,125

Try cleaning the Mass Air Flow Sensor with electrical cleaner and also clean the throttle plate in the throttle body. May want to look at the spark plugs also.

Your Answer

Chevrolet Suburban Experts

  • #1
    Andrew Olsen
    Reputation
    1,010
  • #2
    Neal Turner
    Reputation
    900
  • #2
    Eric Fritz
    Reputation
    900
View All

Related Models For Sale

Used GMC Yukon XL
7 Great Deals out of 490 listings starting at $2,800
Used Chevrolet Tahoe
5 Great Deals out of 645 listings starting at $6,871
Used GMC Yukon
11 Great Deals out of 866 listings starting at $5,950
Used Ford Expedition
16 Great Deals out of 357 listings starting at $2,995
Used Cadillac Escalade ESV
156 listings starting at $8,950
Used Chevrolet Silverado 1500
186 Great Deals out of 10,634 listings starting at $2,500
Used Cadillac Escalade
3 Great Deals out of 388 listings starting at $4,980
Used Chevrolet Silverado 2500HD
11 Great Deals out of 813 listings starting at $5,995
Used Toyota Sequoia
7 Great Deals out of 85 listings starting at $3,150
Used Ford F-150
444 Great Deals out of 9,123 listings starting at $3,000
Used Lincoln Navigator
94 listings starting at $7,888
Used Nissan Armada
4 Great Deals out of 161 listings starting at $4,999
Used Dodge Durango
65 Great Deals out of 1,006 listings starting at $2,998
Used Ford Explorer
42 Great Deals out of 1,369 listings starting at $3,900

Used Cars For Sale

2017 Chevrolet Suburban LS 1500 4WD For Sale
23 listings starting at $52,900
2016 Chevrolet Suburban LS 1500 4WD For Sale
7 listings starting at $44,000
2015 Chevrolet Suburban LS 1500 4WD For Sale
2 listings starting at $42,967
2014 Chevrolet Suburban LS 1500 4WD For Sale
2 listings starting at $25,999
2013 Chevrolet Suburban LS 1500 4WD For Sale
2 listings starting at $29,496

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.