Results 1 to 9 of 9

why im getting bad mpg

This is a discussion on why im getting bad mpg within the General Help forums, part of the LSx Technical Help Section category; i was getting 17 city and 21 hwy and then after cam swap 228R and tune im getting 11 city ...

  1. #1
    Member
    Join Date
    Sep 2011
    Location
    Orlando
    Posts
    211

    Black
    Trans am

    why im getting bad mpg

    i was getting 17 city and 21 hwy and then after cam swap 228R and tune im getting 11 city 14 hwy. ???
    I have LT headers, Y Pipe, SLP Intake, 228R cam , Tune

  2. #2
    Member My00Z28's Avatar
    Join Date
    Sep 2010
    Location
    Holland, MI/Lima, OH
    Age
    26
    Posts
    822

    Red
    2000 Camaro Z28 A4

    Heavy right foot?

  3. #3
    James Bond Spikito's Avatar
    Join Date
    Aug 2007
    Location
    Texas
    Age
    30
    Posts
    4,546

    2001 3.8 Black - sold
    2000 SS Black M6

    cuz its an LS1?

    i have a lid, intake, and LTs, i get 23 highway, 11 city

  4. #4
    Member
    Join Date
    Sep 2011
    Location
    Orlando
    Posts
    211

    Black
    Trans am

    i still having a TPS Sensor going on, even i replace it

  5. #5
    Member My00Z28's Avatar
    Join Date
    Sep 2010
    Location
    Holland, MI/Lima, OH
    Age
    26
    Posts
    822

    Red
    2000 Camaro Z28 A4

    but for real this time... who tuned your car? is it running super rich?

  6. #6
    Member
    Join Date
    Sep 2011
    Location
    Orlando
    Posts
    211

    Black
    Trans am

    Justin @ GCMW. its running 13 A/R on idle about

  7. #7
    Smiles for 9.5 Years cammed goat's Avatar
    Join Date
    Jan 2009
    Location
    Paterson/Ridgewood, NJ
    Posts
    11,474

    Phantom Black Metallic
    2004 GTO M6

    What codes are you getting?

  8. #8
    Moderator 35th-ANV-SS's Avatar
    Join Date
    Oct 2008
    Location
    Wherever life takes me
    Posts
    12,465

    Red
    02 35th LE Camaro SS

    13.0 A/F ratio is pretty rich at idle. It should be around 14.7 at idle and between 12.5-13 at WOT for N/A cars. At least this is what I've seen people on here have.

  9. #9
    The Generals Finest Deviant LS1's Avatar
    Join Date
    Nov 2008
    Location
    Tampa
    Posts
    136

    Navy Blue Metallic
    2000 Trans Am

    MPG's is all in the tune.

Thread Information

Users Browsing this Thread

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

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
  •