Plugs fouled Running Rich

Asked by Rlnorth Nov 21, 2019 at 03:13 PM about the 2007 Saab 9-3 2.0T

Question type: Maintenance & Repair

Two new sets of plugs become fouled in 300 miles. New air filter. Car seems to
be running rich. How do I diagnose this and how do I repair it. Some forums
suggest the o2 sensor. ideas?

2 Answers
235

Paininthe93se answered 4 years ago

ah...the old fuel trim mystery ! Check out this guy Schrodingers Box on yewtoob: https://www.youtube.com/watch?v=5WnM_NsOtd8 Best on-line instructor I've come across, he unravels the mysteries of diagnostics really. well. You need to understand the problem before you can fix it !

Mark helpful

Your Answer:

Related Questions

  • Plugs fouled Running Rich 2 Answers

    Two new sets of plugs become fouled in 300 miles. New air filter. Car seems to be running rich. How do I diagnose this and how do I repair it. Some forums suggest the o2 sensor. ideas?

    2007 Saab 9-3 2.0T

    -

    Maintenance & Repair

  • Sabb wont stay running 1 Answer

    Have a older sabb tgat runs briefly then stops. Not sure if its elevtrical or fuel issue. In order for it to start i have to jump it at the fuse box but it still only runs momentarily

    2000 Saab 9-3 Base Convertible

    -

    Maintenance & Repair

  • 9-3 2.0T engine seized? 7 Answers

    Okay about 2 months ago my girl was driving to work and the car had only gone 3 miles when the car shut off and managed to have people push it to the side of the road. We had it towed and I've bee...

    2006 Saab 9-3 2.0T

    -

    Maintenance & Repair

  • Saab wont start 1 Answer

    When i bought my 2000 saab 9-3 the guy said the alternator was bad when I drove it home got 5 minutes from my house and it died I then change the alternator, the battery, the spark plugs and coils...

    2000 Saab 9-3 Base Coupe

    -

    Maintenance & Repair

  • My 2002 saab wont start 3 Answers

    Car will start for 5 seconds running very rough then it will die

    2002 Saab 9-3 SE Convertible

    -

    Maintenance & Repair

Shortcuts

Search Saab 9-3 Questions

CarGurus Experts

  • #1
    jhardwood
    Reputation
    930
  • #2
    dontata
    Reputation
    800
  • #3
    Jan Fosen
    Reputation
    770
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used BMW 3 Series
71 Great Deals out of 1,177 listings starting at $1,995
Used Saab 9-7X
1 listing
Used Volvo S60
7 Great Deals out of 107 listings starting at $6,995
Used Ford Mustang
61 Great Deals out of 1,274 listings starting at $4,995
Used Ford Fusion
15 Great Deals out of 415 listings starting at $2,999
Used BMW 5 Series
20 Great Deals out of 322 listings starting at $4,500
Used Lexus IS
23 Great Deals out of 313 listings starting at $5,900

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.