Thread: Very lean but only sometimes...

Results 1 to 6 of 6

Hybrid View

Previous Post Previous Post   Next Post Next Post
  1. #1 Re: Very lean but only sometimes... 
    SgtMarshal
    SgtMarshal is offline
    GrandPrix Junkie SgtMarshal's Avatar
    Join Date
    Feb 2012
    Location
    Kemmerer, Wyoming
    Posts
    4,704
    Thanks (Received)
    10
    Likes (Received)
    25
    Dislikes (Received)
    0
    Default 09-13-2017
    usually there is a vacuum leak when the fuel trims to positive. a misfire will make the fuel trims go lean as well.
    Reply With Quote  
     
  2. #2 Re: Very lean but only sometimes... 
    industrialfish
    industrialfish is offline
    GTX Level Member industrialfish's Avatar
    Join Date
    Oct 2011
    Location
    Toledo, OH
    Posts
    1,251
    Thanks (Received)
    0
    Likes (Received)
    0
    Dislikes (Received)
    0
    Default 09-13-2017
    Quote Originally Posted by SgtMarshal View Post
    usually there is a vacuum leak when the fuel trims to positive. a misfire will make the fuel trims go lean as well.
    I'd second that. Sounds like vacuum leak unless you are running e85 without a tune.
    2005 GTP - Graystone Metallic|SPO grills&spoiler/SE lip/Carbon Fiber INFERNO hood
    7"     Spectre|3.4 MPS|42lb Blue Giants+E85+Walbro 450lph pump
    SpeedDaddys|AL605|Vogtlands on FE3s|Vinnie's Spacers on solid lowers|Intense poly uppers|
    Dorman + Addco sway bars|Drilled/slotted rotors|Plasti-dip 17" QP2 at +27 offset
    Reply With Quote  
     
« Previous Thread | Next Thread »

Similar Threads

  1. I got P0107 low lean.. what should I do?
    By tlawnewtograndprix in forum General Tech Discussion
    Replies: 16
    Last Post: 04-15-2013, 05:25 PM
  2. lean
    By illy in forum 3.8L V6 Supercharged (L67)(L32)
    Replies: 19
    Last Post: 10-19-2012, 07:40 AM
  3. How to lean a car out with DHP
    By dsmuts in forum PCM Tuning
    Replies: 16
    Last Post: 07-12-2012, 10:18 PM
  4. Lean?
    By Deeter in forum PCM Tuning
    Replies: 12
    Last Post: 09-17-2008, 05:11 PM
  5. 940 WOT o2 is lean?
    By Bio248 in forum PCM Tuning
    Replies: 19
    Last Post: 03-04-2008, 05:55 PM
Bookmarks
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
  •  

Forum Rules