Why is my car still misfiring?

Asked by Kevin Nov 08, 2021 at 08:41 AM about the 2005 BMW 3 Series 330xi Sedan AWD

Question type: Maintenance & Repair

I have a 2005 BMW 330xi was misfiring on all
cylinders. I changed all the spark plugs and coils
and it is still misfiring, except on cylinder 1.

1 Answer

7,845

You'll need to go through the basic diagnostics for a multi cylinder misfire, which can be found on various BMW forums. I suggest starting with checking for vacuum leaks and fuel pressure. The lean code could suggest that you're not getting enough fuel pressure.

Your Answer:

CarGurus Experts

  • #1
    Robert Charlson
    Reputation
    3,950
  • #2
    apbimmer98
    Reputation
    3,100
  • #3
    Abu Luca
    Reputation
    2,980
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used BMW 5 Series
18 Great Deals out of 323 listings starting at $4,500
Used BMW M3
8 Great Deals out of 89 listings starting at $15,995
Used Mercedes-Benz C-Class
98 Great Deals out of 1,450 listings starting at $3,799
Used Lexus IS
18 Great Deals out of 305 listings starting at $6,449
Used BMW M5
3 Great Deals out of 56 listings starting at $26,800
Used Dodge Charger
39 Great Deals out of 645 listings starting at $4,888
Used BMW X3
40 Great Deals out of 997 listings starting at $4,995
Used Ford Mustang
65 Great Deals out of 1,258 listings starting at $4,995
Used Mercedes-Benz E-Class
30 Great Deals out of 498 listings starting at $5,700
Used BMW X5
38 Great Deals out of 1,133 listings starting at $3,995
Used Chevrolet Corvette
28 Great Deals out of 1,058 listings starting at $15,871

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.