i have a 1993 chevy with the 4.3 v6 and it starts and runs fine until it warms up then after driving it starts idling very high and sometimes when i stop at a stoplight it will die

Asked by Mar 09, 2017 at 11:13 AM about the Chevrolet Silverado 1500

Question type: Maintenance & Repair

1 Answer

78,055

Check for vacuum leaks. Take some carburetor cleaner with the engine running and spray along the intake manifold gasket, and the throttle body base gasket. You would notice a change in the rpms if there is a vacuum leak. Snug up the intake manifold bolts and replace the throttle body base gasket.

Your Answer

Chevrolet Silverado 1500 Experts

  • #1
    John Carson
    Reputation
    2,920
  • #2
    Rowefast
    Reputation
    2,150
  • #3
    Andrew Olsen
    Reputation
    1,870
View All

Related Models For Sale

Used GMC Sierra 1500
1,233 Great Deals out of 62,575 listings starting at $1,200
Used Ford F-150
3,221 Great Deals out of 226,654 listings starting at $1,250
Used Chevrolet Silverado 2500HD
444 Great Deals out of 29,859 listings starting at $2,795
Used Dodge Ram 1500
372 Great Deals out of 11,032 listings starting at $1,699
Used Toyota Tundra
707 Great Deals out of 34,610 listings starting at $1,500
Used Ram 1500
1,447 Great Deals out of 120,627 listings starting at $4,250
Used Toyota Tacoma
642 Great Deals out of 40,695 listings starting at $2,000
Used Chevrolet Tahoe
900 Great Deals out of 39,381 listings starting at $1,775
Used Chevrolet Colorado
343 Great Deals out of 38,892 listings starting at $1,200
Used Ford F-250 Super Duty
458 Great Deals out of 47,284 listings starting at $1,495
Used Chevrolet Camaro
499 Great Deals out of 31,073 listings starting at $3,495
Used GMC Sierra 2500HD
116 Great Deals out of 13,909 listings starting at $1,500
Used Chevrolet Silverado 2500
7 Great Deals out of 241 listings starting at $3,000
Used Nissan Titan
302 Great Deals out of 19,811 listings starting at $3,298
Used Chevrolet Silverado 1500HD
11 Great Deals out of 283 listings starting at $3,811

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.