Page 1 of 2 12 LastLast
Results 1 to 20 of 21

Thread: P0420 code!

  1. #1
    Aw shucks. bluefields88's Avatar
    Join Date
    Jul 2006
    Location
    Berkeley, CA
    Posts
    3,614

    Red
    2000 Camaro SS #3574 A4

    P0420 code!

    My Car's "Service Engine Soon" light came on today so I barrowed a friend's OBD-II code reader. It's throwing a P0420 code, which I think is for the O2 sensors having different readings. I know that there was a voluntary GM recall on the cats on the cars, do you guys think that is the problem or did my O2 sensor take a dump on me? I wasn't driving it hard or anything when it came on. The engine was at 2000 RPM when it came on.

  2. #2
    Senior Member Cutlass's Avatar
    Join Date
    Apr 2008
    Location
    Madison, WI
    Posts
    7,006

    1999 Formula WS6 M6-sold
    2001 Silverado Z71


  3. #3
    Aw shucks. bluefields88's Avatar
    Join Date
    Jul 2006
    Location
    Berkeley, CA
    Posts
    3,614

    Red
    2000 Camaro SS #3574 A4

    is my car under warranty still do you think?? it only has 72K on it.

  4. #4
    Senior Member Cutlass's Avatar
    Join Date
    Apr 2008
    Location
    Madison, WI
    Posts
    7,006

    1999 Formula WS6 M6-sold
    2001 Silverado Z71

    post your VIN number and I'll let you know.

  5. #5
    Aw shucks. bluefields88's Avatar
    Join Date
    Jul 2006
    Location
    Berkeley, CA
    Posts
    3,614

    Red
    2000 Camaro SS #3574 A4

    2g1fp22g7y2135720

  6. #6
    Senior Member Cutlass's Avatar
    Join Date
    Apr 2008
    Location
    Madison, WI
    Posts
    7,006

    1999 Formula WS6 M6-sold
    2001 Silverado Z71

    well unfortunately the GMVIS doesn't list the "Delivery Date" for your VIN so I can't tell you for sure. You're right at that 10 year expiration though so depending on when your car was delivered when it was new, it could be in or out of warranty.
    But your VIN does fall in the VIN breaks for the special policy and so does your mileage. So the only thing that could disqualify you would time.

  7. #7
    Senior Member Cutlass's Avatar
    Join Date
    Apr 2008
    Location
    Madison, WI
    Posts
    7,006

    1999 Formula WS6 M6-sold
    2001 Silverado Z71

    Looks like all of the warranty work that was done to the car was done at PARADISE CHEVROLET in TEMECULA, CA so maybe you should call them and see if its still under the Cat converter Special Policy.

  8. #8
    Aw shucks. bluefields88's Avatar
    Join Date
    Jul 2006
    Location
    Berkeley, CA
    Posts
    3,614

    Red
    2000 Camaro SS #3574 A4

    My car was made in December of 99 so I'm guessing it's all done. :/

  9. #9
    Senior Member 98maro's Avatar
    Join Date
    Feb 2010
    Location
    north bay california
    Age
    34
    Posts
    2,973

    Black
    00 camaro ss M6 #6695

    My car has the same problem
    When it had 114k miles gm had to replace one of the cats
    I was told by the previous owner
    That was 18 months ago
    He had 1 year warranty on the cay
    And now it has 120k miles
    And the same cat is messed up again
    The warranty is over

  10. #10
    Aw shucks. bluefields88's Avatar
    Join Date
    Jul 2006
    Location
    Berkeley, CA
    Posts
    3,614

    Red
    2000 Camaro SS #3574 A4

    So, let's say it is my cat, and I just got my car smogged. If I'm too lazy to replace the cat will it mess up my car?

  11. #11
    Senior Member 98maro's Avatar
    Join Date
    Feb 2010
    Location
    north bay california
    Age
    34
    Posts
    2,973

    Black
    00 camaro ss M6 #6695

    I dnt think it will messed up your car.
    It could make a noyse inside the cat that's it
    Mine does it. I hate it

    How did you passed your smog if you need a new cat?

  12. #12
    Aw shucks. bluefields88's Avatar
    Join Date
    Jul 2006
    Location
    Berkeley, CA
    Posts
    3,614

    Red
    2000 Camaro SS #3574 A4

    Quote Originally Posted by 98maro View Post
    I dnt think it will messed up your car.
    It could make a noyse inside the cat that's it
    Mine does it. I hate it

    How did you passed your smog if you need a new cat?
    I did smog a while ago. I'm good for over a year until i need it smogged again.

  13. #13
    Senior Member 98maro's Avatar
    Join Date
    Feb 2010
    Location
    north bay california
    Age
    34
    Posts
    2,973

    Black
    00 camaro ss M6 #6695

    Ohh ok
    I tought u had it done recently

    So you need the o2 sensor too?

  14. #14
    Aw shucks. bluefields88's Avatar
    Join Date
    Jul 2006
    Location
    Berkeley, CA
    Posts
    3,614

    Red
    2000 Camaro SS #3574 A4

    No idea. I'll find out tomorrow when i go to the dealer with it.

  15. #15
    Senior Member 98maro's Avatar
    Join Date
    Feb 2010
    Location
    north bay california
    Age
    34
    Posts
    2,973

    Black
    00 camaro ss M6 #6695

    Let us knw wat it is cuz I had da same code on my car

  16. #16
    Senior Member Cutlass's Avatar
    Join Date
    Apr 2008
    Location
    Madison, WI
    Posts
    7,006

    1999 Formula WS6 M6-sold
    2001 Silverado Z71

    Quote Originally Posted by bluefields88 View Post
    My car was made in December of 99 so I'm guessing it's all done. :/
    The warranty doesn't start until the day it is sold

    Quote Originally Posted by bluefields88 View Post
    So, let's say it is my cat, and I just got my car smogged. If I'm too lazy to replace the cat will it mess up my car?
    Nope...unless the cat starts clogging up. Then the engine will run like crap
    Last edited by Cutlass; 07-08-2010 at 05:44 PM.

  17. #17
    Aw shucks. bluefields88's Avatar
    Join Date
    Jul 2006
    Location
    Berkeley, CA
    Posts
    3,614

    Red
    2000 Camaro SS #3574 A4

    Quote Originally Posted by Cutlass View Post
    I warranty doesn't start until the day it is sold



    Nope...unless the cat starts clogging up. Then the engine will run like crap
    Looked through the paper work. Car was sold on January 25th 2000.

  18. #18
    Senior Member Cutlass's Avatar
    Join Date
    Apr 2008
    Location
    Madison, WI
    Posts
    7,006

    1999 Formula WS6 M6-sold
    2001 Silverado Z71

    yep, then you are out of warranty by about 6 months and a week

  19. #19
    Aw shucks. bluefields88's Avatar
    Join Date
    Jul 2006
    Location
    Berkeley, CA
    Posts
    3,614

    Red
    2000 Camaro SS #3574 A4

    Quote Originally Posted by Cutlass View Post
    yep, then you are out of warranty by about 6 months and a week
    Looks like I'm getting an offroad y-pipe. haha

  20. #20
    Veteran 0rion's Avatar
    Join Date
    Aug 2005
    Location
    ohio
    Posts
    22,554

    98 Formula
    06 duramax

    take all the paperwork along with the special bulletin number and a sack full of cheesburgers to the dealership just before lunchtime.

Thread Information

Users Browsing this Thread

There are currently 1 users browsing this thread. (0 members and 1 guests)

Similar Threads

  1. p0420 code help me
    By ws6ws6 in forum Firebird / WS6
    Replies: 9
    Last Post: 08-24-2012, 03:18 AM
  2. P0420 code
    By KahanaReef in forum External Engine
    Replies: 8
    Last Post: 09-20-2010, 03:08 PM
  3. P0420 code
    By VTR99 in forum External Engine
    Replies: 11
    Last Post: 09-12-2007, 03:08 PM
  4. P0420 Help with code please
    By jinxeng in forum General Help
    Replies: 7
    Last Post: 12-10-2006, 03:38 PM
  5. Please Help with code P0420
    By Mac500r in forum General Help
    Replies: 10
    Last Post: 06-03-2006, 01:08 PM

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •