Results 1 to 10 of 10

P0300 code....I'm running out of things to do

This is a discussion on P0300 code....I'm running out of things to do within the General Help forums, part of the LSx Technical Help Section category; This problem recently started and I'm running out of things to try. This is what I've done so far: Changed ...

  1. #1
    Junior Member
    Join Date
    May 2009
    Location
    Virginia
    Age
    38
    Posts
    4

    Black
    2002 A4 Z28 Camaro

    P0300 code....I'm running out of things to do

    This problem recently started and I'm running out of things to try. This is what I've done so far: Changed o2's, replaced plugs and wires, swapped sides with the ignition coils, replaced header gaskets with the gm gaskets and fixed small leaks in the exhaust. May I add that it's only running super lean on the passenger side, like 15 to 25 ltft's and up to 50 on the stft's on bank 2. Does anyone have any idea of what I should look at next.....fuel injectors on that side maybe????

  2. #2
    Impounded
    Join Date
    Oct 2007
    Location
    Beaver Dam KY
    Posts
    7,746

    79 T/A -91 Firebird
    1998 Trans Am -Oynx Black

    Fuel injectors for sure. Find someone to log it.

  3. #3
    Junior Member
    Join Date
    May 2009
    Location
    Virginia
    Age
    38
    Posts
    4

    Black
    2002 A4 Z28 Camaro

    I visited gearchatter.com and that's the only thing I think it could be now.....damn fuel injectors. I even switched the driver and passenger side o2 just to see what happens.......stayed way lean on passenger side. I did noticed that the passenger o2 was really black compared to the driver side o2. Can I buy just 4 injectors or would it be a good idea to do all 4. And if I did all 8 should I keep stock ones or upgrade??
    Last edited by boola1341; 05-17-2009 at 05:59 PM. Reason: error

  4. #4
    Impounded
    Join Date
    Oct 2007
    Location
    Beaver Dam KY
    Posts
    7,746

    79 T/A -91 Firebird
    1998 Trans Am -Oynx Black

    Quote Originally Posted by boola1341 View Post
    I visited gearchatter.com and that's the only thing I think it could be now.....damn fuel injectors. I even switched the driver and passenger side o2 just to see what happens.......stayed way lean on passenger side. I did noticed that the passenger o2 was really black compared to the driver side o2. Can I buy just 4 injectors or would it be a good idea to do all 4. And if I did all 8 should I keep stock ones or upgrade??
    Depends where you want to go with the car. I would buy 8 used ones and have them flow matched at like new era performance IMO

  5. #5
    TunedbyFrost.com Tuner Frost's Avatar
    Join Date
    Jul 2007
    Location
    Richmond VA
    Posts
    2,415

    LS1.com Sponsor
    GM Tuner

    Seems like I replied to this but maybe on a different board.... It's NOT O2s.

    Why buy 4 new injectors? Why not swap the ones you have from left to right and see if the problem moves?

  6. #6
    10 year lurker DrMilhouse's Avatar
    Join Date
    Aug 2005
    Location
    Colorado
    Age
    41
    Posts
    2,119

    Black
    99 Z28

    I pulled my MAF and cleaned it, it was FILTHY covered in black all over all of the sensors in it. After I did that, I have driven about 100 miles and haven't seen a P0300... this was just done a couple of days ago, but I was throwing P0300 every 10 to 15 miles.

  7. #7
    Junior Member
    Join Date
    Apr 2006
    Location
    minnesota
    Age
    36
    Posts
    11
    Have you checked for vac. Leaks? If you fined out its is a inj. Problem I would do all 8.

  8. #8
    Junior Member
    Join Date
    May 2009
    Location
    Virginia
    Age
    38
    Posts
    4

    Black
    2002 A4 Z28 Camaro

    My problem has been solved. A member on ls1tech told me to check the fuel injector connections for corrosion. So I pulled the four off on the passenger side then cleaned them and now it runs the way it should. I can get some sleep now. Thanks

  9. #9
    TunedbyFrost.com Tuner Frost's Avatar
    Join Date
    Jul 2007
    Location
    Richmond VA
    Posts
    2,415

    LS1.com Sponsor
    GM Tuner

    Nice, glad to hear that you found it!

  10. #10
    Member
    Join Date
    Sep 2005
    Location
    south, GA
    Posts
    116

    white
    98 z28

    Quote Originally Posted by Frost View Post
    Nice, glad to hear that you found it!
    Frost is of most help! I still appreciate that info you gave me on the rpm wall I was hitting after my cam swap!! I have been having trouble with p0300 as well I may try and clean the wires to see if that helps, otherwise I will have to check the injectors themselves. Everything is great with the tune and the normal p0300 problem from a cam is tunned out and it still comes and goes. Weird.

Thread Information

Users Browsing this Thread

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

Similar Threads

  1. P0300 code on 2000 Camaro Z28
    By captcorvette in forum General Help
    Replies: 39
    Last Post: 04-10-2015, 04:16 AM
  2. P0300 misfire code...help:(
    By Lotapwr in forum General Help
    Replies: 7
    Last Post: 05-02-2013, 08:19 PM
  3. Damn P0300 code again
    By Hurley711 in forum General Help
    Replies: 24
    Last Post: 05-14-2009, 05:17 AM
  4. P0300 Code - HELP
    By oldguy in forum GM Trucks
    Replies: 1
    Last Post: 09-05-2007, 06:33 PM
  5. code P0300
    By neverlate in forum External Engine
    Replies: 9
    Last Post: 06-04-2006, 07:58 AM

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
  •