97 6 cyl, astro- got full tune up still idling rough at stops-like a truck. better in neutral while

Asked by vanski Sep 24, 2013 at 10:28 AM about the 1997 Chevrolet Astro Cargo

Question type: Maintenance & Repair

should I trust a gas additive or buy a sensor- the check engine light was on before my friend did full tune up-fuel ,filter-cap,wires,sparks,oil. added rear fluid. runs great open road? affraid of garages-have been sabatoged in past. Will be moving soon dont neeed van trouble- What eles should I do -heading up to mountain country. Thanks guys-Dee

2 Answers
3,400

wlogan answered 11 years ago

check close for vacumn leak, iac valve ?

2 people found this helpful.
Mark helpful
155

AmmoGuy answered 11 years ago

!) Check for vacum leak. I had one @ PCV valve. 2) Throttle valve could be dirty/carboned -up. Make sure it is c-l-e-a-n!! Aim small, miss small.

2 people found this helpful.
Mark helpful

Your Answer:

Related Questions

Shortcuts

Search Chevrolet Astro Cargo Questions

CarGurus Experts

  • #1
    GuruT54GH
    Reputation
    570
  • #2
    James Ramond
    Reputation
    200
  • #3
    idg4ever
    Reputation
    120
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Chevrolet Astro
4 listings
Used GMC Safari Cargo
1 listing
Used GMC Savana Cargo
16 Great Deals out of 442 listings starting at $5,800
Used Ford Transit Cargo
33 Great Deals out of 1,026 listings starting at $10,999

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. Content will be removed if CarGurus becomes aware that it violates our policies.