service engine light

Asked by 4233 Nov 16, 2012 at 11:15 PM about the 2009 Volkswagen Jetta

Question type: Maintenance & Repair

Took the car to the dealer for the engine light. Found fault in the particulate trap. The service regeneration and tested and set basic settings on egr and turbo. They also went ahead and added a soft ware update criteria/01 ecn 23h1. The fuel milage went from 45 to 38.6 . Dealer  says that s the way it will be. How do I get back to 45 or better on the mileage?? are there any chips that will do this for me.or other after market upgrade??  Thanks hlarsonfarm@gmail.com

1 Answer
2,850

jwhalen70 answered 11 years ago

Tell them to undo what they did, if they serviced it correctly u would not get worse gas milage. Take it to different dealer, tell them what car is doing now. Because thats not how it is. Milage just doesnt go down because of a software update,

Mark helpful

Your Answer:

Related Questions

  • service engine light 1 Answer

    Took the car to the dealer for the engine light. Found fault in the particulate trap. The service regeneration and tested and set basic settings on egr and turbo. They also went ahead and added a soft...

    2009 Volkswagen Jetta

    -

    Maintenance & Repair

  • Engine Light / Engine Cutting out? 2 Answers

    My daughter has a 97 jetta and in the last few weeks the engine light has started to come on intermittently; and the engine has started to die as you attempt to accelerate. It isn't all of time so be...

    1997 Volkswagen Jetta GL

    -

    Maintenance & Repair

  • check engine light on 1 Answer

    I replaced the mass flow sensor and a map sensor and reset it it but the OBD2 reader but the check engine light still on?

    2006 Volkswagen Jetta 2.5L

    -

    Maintenance & Repair

  • epc/check engine light 2 Answers

    i change my spark plus and air filter and cleaned the throttle body it was dirty in my 2016 jetta and now the epc light is on and the check engine light is on? what should i do now i am not sure how...

    2016 Volkswagen Jetta 1.4T SE FWD

    -

    Maintenance & Repair

  • Check engine light turns on 5 Answers

    So my husband was about to park in the driveway and the check engine light turned on and the car turned off and the check engine light turned on. After a few attempts the car started and the light...

    1999 Volkswagen Jetta New GLS

    -

    Maintenance & Repair

Shortcuts

Search Volkswagen Jetta Questions

CarGurus Experts

  • #1
    Deathjam4
    Reputation
    12,380
  • #2
    Goodwrench707
    Reputation
    5,400
  • #3
    Ed92626
    Reputation
    4,630
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Volkswagen Passat
25 Great Deals out of 498 listings starting at $3,499
Used Volkswagen Jetta GLI
6 Great Deals out of 300 listings starting at $1,704
Used Honda Civic
198 Great Deals out of 4,034 listings starting at $440
Used Toyota Camry
46 Great Deals out of 1,149 listings starting at $2,500
Used Toyota Corolla
135 Great Deals out of 2,300 listings starting at $103
Used Honda Accord
50 Great Deals out of 973 listings starting at $2,995
Used Volkswagen Golf
41 Great Deals out of 521 listings starting at $4,880
Used Volkswagen Tiguan
71 Great Deals out of 2,765 listings starting at $1,704
Used Volkswagen Golf GTI
19 Great Deals out of 533 listings starting at $1,704
Used BMW 3 Series
64 Great Deals out of 1,204 listings starting at $2,500
Used Hyundai Elantra
157 Great Deals out of 3,058 listings starting at $1,995
Used Mazda MAZDA3
77 Great Deals out of 1,309 listings starting at $3,499
Used Nissan Altima
25 Great Deals out of 680 listings starting at $3,795
Used Volkswagen Jetta SportWagen
4 listings starting at $8,500
Used Nissan Sentra
64 Great Deals out of 1,894 listings starting at $3,995

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.