what causes jetta four 1,6engine to loose power during acceleratio and back fire when it reaches 1,5rev/min.?

Asked by Thomas Dec 27, 2014 at 05:55 AM about the Volkswagen Jetta

Question type: Maintenance & Repair

it causes spark plugs to have a black thin layer of carbon as if its over flooding and a black auxhaust gas comes out. it idles good problem starts when accelerating. i fitted a new petrol pump,timing belt and spark plugs but it is still doing the same thing.

1 Answer

45,825

well first place to start is what is the exact year and engine so i know where to start please and thanks.

1 people found this helpful.

Your Answer:

CarGurus Experts

  • #1
    Deathjam4
    Reputation
    12,620
  • #2
    Goodwrench707
    Reputation
    5,410
  • #3
    o_jayne
    Reputation
    2,680
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Volkswagen Jetta GLI
4 Great Deals out of 319 listings starting at $7,481
Used Volkswagen Passat
15 Great Deals out of 389 listings starting at $2,999
Used Honda Civic
159 Great Deals out of 3,391 listings starting at $2,230
Used Toyota Camry
49 Great Deals out of 952 listings starting at $2,212
Used Honda Accord
44 Great Deals out of 907 listings starting at $2,799
Used Toyota Corolla
120 Great Deals out of 1,950 listings starting at $1,995
Used Volkswagen Golf
22 Great Deals out of 423 listings starting at $3,987
Used Volkswagen Tiguan
61 Great Deals out of 2,656 listings starting at $4,934
Used Volkswagen Golf GTI
22 Great Deals out of 546 listings starting at $5,900
Used Hyundai Elantra
159 Great Deals out of 3,192 listings starting at $1,850
Used Mazda MAZDA3
76 Great Deals out of 1,519 listings starting at $2,299
Used Volkswagen Jetta SportWagen
2 listings starting at $7,741
Used Nissan Sentra
67 Great Deals out of 1,830 listings starting at $2,495
Used BMW 3 Series
76 Great Deals out of 1,183 listings starting at $1,995
Used Nissan Altima
27 Great Deals out of 672 listings starting at $2,000

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.