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

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

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

1,580

check close for vacumn leak, iac valve ?

2 out of 2 people think this is helpful.
55

!) 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 out of 2 people think this is helpful.

Your Answer

Add photo

Related Questions

  • 97 Chevy C1500 idles great, runs rough when put in gear 11 answers

    I've got a '97 C1500 that's been running great for me for the past 6 months. Just the other day I drove it down to my folks place and when I pulled in the driveway the engine started running rough. ...

    1997 Chevrolet C/K 1500 Cheyenne Standard Cab Stepside SB 4WD

    -

    Maintenance & Repair

  • 06 Cobalt Rough Idle/Stall when stopping or quick deceleration 52 answers

    Hello All, Here is the problem I have. 06 Cobalt LT 2.2l 103065 Miles When decelerating on the freeway to come to a virtual stop for traffic, when stopping at a stop light, when pulling out of the ...

    2006 Chevrolet Cobalt LT

    -

    Maintenance & Repair

  • Idling rough 3 answers

    Here's maybe a challenge for y'all. My truck is a 02 Chevy Silverado v6 4.3 liter & it's running awful. At an idol runs rough,hi rpm's at 3,000 + runs smoothly. Let off it wasn't 2 die . Does the s...

    2002 Chevrolet Silverado 1500 Ext Cab Short Bed 2WD

    -

    Maintenance & Repair

  • I was stopped at a red light, my vehicle was idling slightly rough, not too bad, I didn't think, then it cut off. 8 answers

    I did immediately start it back up, but coming to complete stops, were getting the same result. So, I would not let it idle, I just put the vehicle in neutral at a stopping point to keep it from c...

    2011 Chevrolet Equinox LTZ

    -

    Maintenance & Repair

  • idels rough when in drive, can a high idle make it run better? 1 answer

    Ill be at a stop light, the truck is warmed up and it will drop the rpms and run rough, shaking the front of the truck. the truck is straight piped and wanted to know if there is a way to raise my r...

    1997 GMC Sierra 1500 C1500 SL Extended Cab SB

    -

    Maintenance & Repair

Search Chevrolet Astro Cargo Van Questions

Chevrolet Astro Cargo Van Experts

#1 tenspeed
tenspeed
Reputation 80
#2 Tom Demyan
Tom Demyan
Reputation 60
#3 jimijobo
jimijobo
Reputation 50
View All

Related Models For Sale

Used Chevrolet Astro
247 listings starting at $1,815
Used Chevrolet Express
67 Great Deals out of 5,860 listings starting at $2,288
Used GMC Safari
107 listings starting at $2,995
Used GMC Savana Cargo
17 Great Deals out of 4,722 listings starting at $2,295
Used Ford Transit Cargo
60 Great Deals out of 19,305 listings starting at $13,499
Used GMC Savana
9 Great Deals out of 1,584 listings starting at $2,995
Used Ford E-150
157 listings starting at $3,650
Used Ford F-150
2,433 Great Deals out of 210,087 listings starting at $895