what would most likely cause (intermittent,not all the time) fast idle at stop light..thks

Asked by Dec 09, 2014 at 07:33 PM about the 2004 Hyundai Elantra GT

Question type: Maintenance & Repair

used car bought from car dealer near St.Louis,Mo.the car has 120K miles on it.don't know if previous owner followed maintenance schedule.

1 Answer

Vacuum leak is most common cause of high idle, if your IAC (Idle Air Control) valve is clean and working. You won't notice at speed because of the high flow of air in to intake. If your CEL is on an OBDII scan is called for here

2 of 2 people found this helpful.

Your Answer

Add photo

Related Questions

Search Hyundai Elantra Questions

Hyundai Elantra Experts

#1 pittgirl
pittgirl
Reputation 1,990
#2 Carrie Shelton
Carrie Shelton
Reputation 1,370
#3 tenspeed
tenspeed
Reputation 1,090
View All

Related Models For Sale

Used Hyundai Sonata
868 Great Deals out of 48,082 listings starting at $1,495
Used Honda Civic
872 Great Deals out of 85,333 listings starting at $500
Used Toyota Corolla
977 Great Deals out of 69,758 listings starting at $2,000
Used Toyota Camry
1,216 Great Deals out of 84,969 listings starting at $750
Used Honda Accord
1,048 Great Deals out of 68,868 listings starting at $1,000
Used Hyundai Accent
197 Great Deals out of 11,856 listings starting at $1,995
Used Nissan Altima
1,295 Great Deals out of 75,735 listings starting at $1,695
Used Mazda MAZDA3
404 Great Deals out of 29,726 listings starting at $1,495
Used Kia Optima
569 Great Deals out of 28,806 listings starting at $1,750
Used Ford Focus
788 Great Deals out of 55,064 listings starting at $1,200
Used Nissan Sentra
605 Great Deals out of 52,500 listings starting at $1,000

Used Cars For Sale

2018 Hyundai Elantra For Sale
5,190 listings starting at $14,010
2017 Hyundai Elantra For Sale
61 Great Deals out of 21,545 listings starting at $9,499
2016 Hyundai Elantra For Sale
183 Great Deals out of 3,365 listings starting at $8,490
2015 Hyundai Elantra For Sale
73 Great Deals out of 1,791 listings starting at $6,999
2014 Hyundai Elantra For Sale
93 Great Deals out of 2,334 listings starting at $6,997

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.