I replaced the ecu,spark plugs, and my maf sensor on my 03 jetta gl 2.0l and now it won't turn over, it cranks but won't turn over any reason for this?

Asked by Mike Apr 02, 2015 at 07:04 AM about the 2003 Volkswagen Jetta GL 2.0 Sedan

Question type: Maintenance & Repair

1 Answer

4,475

The car is cranking and not starting because you've activated the immobilizer system when changing out the ECU. The replacement part needs to be coded to the vehicle, as will the keys.

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
3 Great Deals out of 387 listings starting at $499
Used Volkswagen Passat
12 Great Deals out of 396 listings starting at $4,700
Used Honda Civic
177 Great Deals out of 3,775 listings starting at $3,495
Used Honda Accord
44 Great Deals out of 913 listings starting at $1,599
Used Toyota Camry
53 Great Deals out of 996 listings starting at $2,212
Used Toyota Corolla
125 Great Deals out of 2,068 listings starting at $2,795
Used Volkswagen Golf
23 Great Deals out of 450 listings starting at $3,987
Used Hyundai Elantra
157 Great Deals out of 3,548 listings starting at $2,995
Used Volkswagen Golf GTI
25 Great Deals out of 604 listings starting at $4,900
Used Nissan Altima
21 Great Deals out of 722 listings starting at $1,400
Used Mazda MAZDA3
70 Great Deals out of 1,495 listings starting at $2,495
Used BMW 3 Series
73 Great Deals out of 1,177 listings starting at $1,995
Used Nissan Sentra
81 Great Deals out of 1,810 listings starting at $2,195
Used Audi A4
38 Great Deals out of 704 listings starting at $4,750

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.