Idleing rough

Asked by Dec 06, 2015 at 09:24 AM about the 1999 Chevrolet C/K 1500 LS 4WD

Question type: Maintenance & Repair

I have 1999 chevy silverado with 5.7. Motor runs smooth until you come to a stop.
The idle drops to barely  running and is rough. Take off and runs well. Why is it
running rough at a stop

2 Answers

37,975

Time for a tune up? Get things checked out...

16,395

A bad Intake Air Control (IAC) valve has this symptom. Wouldn't hurt to clean the throttle body and MAF sensor, clean/replace air filter.

1 out of 1 people think this is helpful.

Your Answer

Add photo

Related Questions

  • Rough idle at startup 6 answers

    Just changed my fuel pump on my 95 chevy cause it was runinng very badly ... So now it runs fine ... Only problem is at startup the idle is very low but after a few seconds it idle perfectly . any ...

    1995 Chevrolet C/K 1500

    -

    Maintenance & Repair

  • Rough Idle/Stalling 4 answers

    ***NOVICE*** Hey I've got a 93 K1500 5.0 V8. Started idling rough about a week ago, would sometimes stall at stop lights. RPM would drop as low as 500. Replaced the fuel filter at the suggestion of...

    1993 Chevrolet C/K 1500 Silverado Standard Cab SB 4WD

    -

    Maintenance & Repair

  • check engine light toruble, rough idle 2 answers

    I have a 98 chevy c1500 and the check engine light is on I took it to a shop and they scaned the code and it said it was the cam and crank shaft position sensor. so I replaced both of them now the l...

    1998 Chevrolet C/K 1500 Cheyenne Extended Cab SB

    -

    Maintenance & Repair

  • Hard idle and dies 1 answer

    I have a '94 1500 and my problem is it will hard idle and then dies... I start it then it will idle normal for about 30 seconds and die unless i rev the engine or if i shift it into gear it will go...

    1994 Chevrolet C/K 1500 Silverado Extended Cab SB

    -

    Maintenance & Repair

  • Rough idle 5 answers

    I just bought a used 2012 Chevy Colorado the inline 4 cylinder LT. The truck has a rough idle we scanned it because the CEL has been on for misfires in cylinder 2. I got it through a dealer and w...

    2012 Chevrolet Colorado LT1 Crew Cab

    -

    Maintenance & Repair

Search Chevrolet C/K 1500 Questions

Chevrolet C/K 1500 Experts

#1 Andrew Olsen
Andrew Olsen
Reputation 2,780
#2 John Saffrahn
John Saffrahn
Reputation 2,350
#3 Rowefast
Rowefast
Reputation 1,190
View All

Related Models For Sale

Used Chevrolet Silverado 1500
2,705 Great Deals out of 148,971 listings starting at $995
Used GMC Sierra 1500
1,175 Great Deals out of 58,310 listings starting at $2,495
Used Ford F-150
3,449 Great Deals out of 206,327 listings starting at $1,273
Used Chevrolet C/K 2500
261 listings starting at $3,900
Used Dodge Ram 1500
551 Great Deals out of 13,019 listings starting at $1,800
Used Chevrolet Tahoe
1,103 Great Deals out of 31,962 listings starting at $1,495
Used Chevrolet C/K 3500
260 listings starting at $2,995
Used Toyota Tacoma
799 Great Deals out of 33,979 listings starting at $2,499
Used Chevrolet S-10
10 Great Deals out of 1,632 listings starting at $995
Used Toyota Tundra
705 Great Deals out of 28,578 listings starting at $2,500

Used Cars For Sale