2009 MINI Cooper clubmaan misfiring

50

Asked by Rodney Aug 15, 2016 at 02:18 PM about the 2009 MINI Cooper Base

Question type: Maintenance & Repair

Hi,

I had a question about a MINI we recently purchased.  We just bout a used
2009 MINI Cooper Clubman (automatic) with only 45,000 miles on it.  It had
a full tank of gas when we bought it.  We accidentally have filled it twice
with 87 octane gas (not realizing it was to use a higher octane).  I then took
it on a trip to Pennsylvania last weekend (about 3 hours away).  I noticed it
rough idling once I got there when stooping at stop signs, lights etc.  When
driving home I noticed the same, and now have had the check engine light
come on.  It does not seem to do it when I first start it but after running for
awhile.  I now have had it stall when sitting at stops, and have had the
check engine light come on with codes of "Random Misfire" on multiple
cylinders.  Could this be related to the gas?  I got down to about 1/2 a tank
left of the 87 octane, and at that point filled it with high octane, hoping that
would flush it out, but have only gone about 150 miles since then.  I am not
sure if I should try to run out that tank, or if I need to get it checked out.

4 Answers

42,415

Unrelated to gas octane.Have it checked $100 Dianostic will tell you Exactly whats wrong with it.

20

I am having the same issue. I have 2009 mini.cooper s with turbo. I only run 93 octain. It started out slowly . it progressively got worse. I have changed plugs an coil packs. High pressure fuel pump, cleaned carbon, cleaned injectors. Still misfiering, i am desperately looking for answers. Linda

2 people found this helpful.

Your Answer:

Cooper

Looking for a Used Cooper in your area?

CarGurus has 666 nationwide Cooper listings starting at $1,999.

Postal Code:

CarGurus Experts

  • #1
    GuruYVCJF
    Reputation
    3,870
  • #2
    Mark Weiner
    Reputation
    1,820
  • #3
    Rick Turgeon
    Reputation
    1,810
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used MINI Cooper Clubman
7 Great Deals out of 65 listings starting at $5,999
Used Volkswagen Beetle
7 Great Deals out of 152 listings starting at $712
Used Honda Civic
176 Great Deals out of 3,762 listings starting at $1,995
Used BMW 3 Series
71 Great Deals out of 1,177 listings starting at $1,995
Used Ford Mustang
61 Great Deals out of 1,274 listings starting at $4,995
Used Jeep Wrangler
146 Great Deals out of 5,051 listings starting at $5,450
Used FIAT 500
3 Great Deals out of 124 listings starting at $2,995
Used Volkswagen Golf GTI
26 Great Deals out of 608 listings starting at $4,900
Used Honda Accord
42 Great Deals out of 918 listings starting at $1,599
Used Mazda MX-5 Miata
62 listings starting at $9,295
Used Toyota Camry
58 Great Deals out of 995 listings starting at $2,212

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.