what can cause my rpm's to drop at a stoplight?

Asked by Jul 29, 2014 at 09:05 AM about the 2003 Nissan Sentra SE-R

Question type: Maintenance & Repair

while at a stop sign or stoplight my rpm's on my 2003 Nissan Sentra SER drop below 500rpm's. If i drive without the ac on it does not happen only when i have the ac on. What can be causing this?

5 Answers

36,815

The A.C. sensor is not working. The A.C. is putting a load on the engine and the rpm is dropping.

1 of 1 people found this helpful.

thank you

109,845

Idle speed control could have also failed, do you have a check engine light on?

1 of 1 people found this helpful.

No

109,845

A live data scan would be my next suggestion, a shop should be able to read what is not operating. as it should.

Your Answer

Sentra

Looking for a Used Sentra in your area?

CarGurus has 53,401 nationwide Sentra listings starting at $1,150.

ZIP:

Nissan Sentra Experts

  • #1
    L_R
    Reputation
    1,420
  • #2
    Doran Harney
    Reputation
    1,340
  • #3
    Tom Demyan
    Reputation
    1,110
View All

Related Models For Sale

Used Nissan Altima
1,174 Great Deals out of 74,524 listings starting at $900
Used Toyota Corolla
930 Great Deals out of 70,174 listings starting at $1,479
Used Honda Civic
623 Great Deals out of 52,142 listings starting at $1,491
Used Honda Accord
852 Great Deals out of 88,504 listings starting at $1,444
Used Toyota Camry
1,107 Great Deals out of 76,443 listings starting at $1,100
Used Hyundai Elantra
558 Great Deals out of 46,365 listings starting at $999
Used Nissan Maxima
335 Great Deals out of 20,542 listings starting at $1,175
Used Hyundai Sonata
600 Great Deals out of 54,111 listings starting at $1,500
Used Ford Focus
607 Great Deals out of 69,871 listings starting at $1,000
Used Mazda MAZDA3
250 Great Deals out of 27,150 listings starting at $1,500
Used Volkswagen Jetta
552 Great Deals out of 32,825 listings starting at $800

Used Cars For Sale

2017 Nissan Sentra For Sale
104 Great Deals out of 11,852 listings starting at $9,495
2016 Nissan Sentra For Sale
139 Great Deals out of 4,083 listings starting at $7,500
2015 Nissan Sentra For Sale
153 Great Deals out of 3,211 listings starting at $6,900
2014 Nissan Sentra For Sale
140 Great Deals out of 3,611 listings starting at $5,191
2013 Nissan Sentra For Sale
53 Great Deals out of 1,544 listings starting at $3,490

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.