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

73,175

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
231 Great Deals out of 13,144 listings starting at $1,495
Used Chevrolet Tahoe
641 Great Deals out of 37,383 listings starting at $1,800
Used GMC Yukon
432 Great Deals out of 20,896 listings starting at $2,495
Used Ford Expedition
374 Great Deals out of 21,502 listings starting at $1,500
Used Cadillac Escalade ESV
115 Great Deals out of 5,431 listings starting at $3,900
Used Chevrolet Silverado 1500
2,172 Great Deals out of 181,163 listings starting at $1,900
Used Cadillac Escalade
224 Great Deals out of 11,084 listings starting at $2,900
Used Chevrolet Silverado 2500HD
315 Great Deals out of 29,278 listings starting at $2,650
Used Toyota Sequoia
138 Great Deals out of 5,283 listings starting at $2,650
Used Ford F-150
2,175 Great Deals out of 181,307 listings starting at $1,000
Used Lincoln Navigator
92 Great Deals out of 4,973 listings starting at $1,900
Used Ford Excursion
5 Great Deals out of 790 listings starting at $2,750
Used Nissan Armada
149 Great Deals out of 8,649 listings starting at $2,995
Used Dodge Durango
285 Great Deals out of 20,417 listings starting at $999
Used Ford Explorer
802 Great Deals out of 62,721 listings starting at $999

Used Cars For Sale

2017 Chevrolet Suburban LS 1500 4WD For Sale
519 listings starting at $43,210
2016 Chevrolet Suburban LS 1500 4WD For Sale
19 listings starting at $37,995
2015 Chevrolet Suburban LS 1500 4WD For Sale
25 listings starting at $29,997
2014 Chevrolet Suburban LS 1500 4WD For Sale
10 listings starting at $21,900
2013 Chevrolet Suburban LS 1500 4WD For Sale
11 listings starting at $23,900

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.