Asked by Apr 03, 2019 at 11:59 AM about the 2005 Hyundai Sonata

Question type: Maintenance & Repair

After engine reaches operating temperature, RPMs increase while in gear.  6 cylinder, automatic.  In PARK or NEUTRAL, idle is normal, when placed in gear, idle increases making it hard to hold car still at STOP signs or red lights.

1 Answer


Your engine probably has a bad idle air control valve or throttle body. If you see warning lights, take the car to an auto parts store and have associated codes read, probably free, then you'll know where the problem is.

1 people found this helpful.

Your Answer:

Hyundai Sonata Experts

  • #1
  • #2
  • #3
View All

Find great deals from top-rated dealersTM


Related Models For Sale

Used Hyundai Elantra
1,042 Great Deals out of 53,902 listings starting at $992
Used Honda Accord
1,159 Great Deals out of 70,492 listings starting at $1,100
Used Toyota Camry
1,325 Great Deals out of 73,431 listings starting at $995
Used Kia Optima
681 Great Deals out of 29,178 listings starting at $1,200
Used Nissan Altima
1,559 Great Deals out of 72,136 listings starting at $1,288
Used Honda Civic
873 Great Deals out of 59,068 listings starting at $1,288
Used Chevrolet Malibu
1,062 Great Deals out of 37,348 listings starting at $1,500
Used Toyota Corolla
1,364 Great Deals out of 61,992 listings starting at $1,400
Used Ford Fusion
1,050 Great Deals out of 46,040 listings starting at $1,200
Used Hyundai Santa Fe
283 Great Deals out of 31,609 listings starting at $1,795
Used Nissan Maxima
408 Great Deals out of 14,567 listings starting at $1,500
Used Hyundai Tucson
637 Great Deals out of 40,930 listings starting at $1,800
Used Mazda MAZDA6
203 Great Deals out of 8,116 listings starting at $700

Used Cars for Sale

2020 Hyundai Sonata For Sale
105 listings starting at $24,319
2019 Hyundai Sonata For Sale
12 Great Deals out of 11,935 listings starting at $12,148
2018 Hyundai Sonata For Sale
49 Great Deals out of 1,367 listings starting at $10,995
2017 Hyundai Sonata For Sale
145 Great Deals out of 3,618 listings starting at $6,950
2016 Hyundai Sonata For Sale
186 Great Deals out of 3,273 listings starting at $5,995

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.