Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum banner

mpg

  1. Better MPG / fuel gas efficiency economy

    General
    I think I read on here a thread that removing the rack up top helps fuel economy. I tried to search for it, but cant find the thread anymore Is there anything one can do to bring up the miles per gallon? Besides the typical - clean the throttle body, coast more, carry less, slow acceleration...
  2. I need some help please!! Mpg problem...

    Engine Tunes/Mods
    Hey all, Been a while since I've posted. Happy New Year, and Merry belated Christmas!!! If some people would read this and reply if you have suggestions, that WOULD BE AWESOME!!! But please read before, because I have done work and I don't wanna read suggestions I've already tried/done. So...
  3. Thermostat problem/bad mpg

    General
    For a while I was getting really bad mpg, and I found out that I had a very, very leaky fuel pressure regulator. I got that replaced again in January because since last July (or around that time) I was still getting really bad mileage. When I first bought the vehicle and up until I got bad...
  4. Trailblazer...Good First Car....In My Situation

    General
    I am 15, almost 16. I learned how to drive in two suv's (05 Mazda Tribute and 11 Ford Escape) and I have driven bigger ones. My family is interested in purchasing a boat. However, my dad's 4 cyl. Escape will barely tow a 4-Wheeler. So, My dad want my first car to be tow-worthy. It has to be safe...
  5. gas burns up pretty quick?

    TrailBlazer / Envoy Chat
    HI, i was wondering why and is there anything i can do to keep my gas from burning up so quick. it is basicly when i hit the gas pretty hard. and i know it burns up more but, it seems like the gas gage goes down faster than it should. is there anything i can do to keep it from doing that?
  6. Oakland, California checking in

    Introductions
    Hey Folks, New to this forum, new to the Envoy. 2006, 55k miles, took delivery today. Black/black leather. 4.2, 4x4, sunroof, dual power, dual heated seats. I believe it has all the options except for DVD (and nav if that was an option for that year). LOVE the 291 horses. For now planning to...
  7. O2 Sensor & Tstat cause loss of power under load?

    OEM Issues
    Hey Guys, I have an 2005 TB with the 4.2L. Lately I have been having problems with intermittent power loss under a load (acceleration). The engine RPM remains the same yet there is decreased power. Everything is telling me it is a partially plugged CAT, but the local chevy dealer is blaming it...
  8. Hello from Salt Lake

    Introductions
    Hello all! I just found this site, and I will be using it. I have a 2003 Trailblazer, and in the last year have put 60,000 miles on it. 200 mile commute and all... Anyway, I was looking for brackets to mount my fog lights with, and found this page. So far, I love it. I hope I can get help...
  9. Greetings from UT

    Introductions
    Guess I'm here to introduce myself, so here goes: Bought our 05 Trailblazer EXT LS about a month ago in preparation for our third baby boy...needed that extra row to fit 3 car seats. So far we love it. a friend from work told me about the site (thanks J-net), so I signed up. Since it's...
  10. Help MPG is going to force me to sell

    OEM Issues
    He guys and gals I own a 2003 Trailblazer LT 4x4, with 87000 miles. I change the oil every 2000 miles, and the tires are perfectly inflated. I fill up at Chevron (Regular), and I drive like there is an egg under the gas peddle. I do some freeway driving but the majority is just around town...
  11. Fuel filter dissection

    TrailBlazer / Envoy Chat
    I took a long trip over the weekend and got a measly 14.8mpg (281 miles/18.9g), mostly highway but some stop and go through the small towns. Usually average around 19. That is with the heavy wheels and audio gear. I had not done the fuel filter in the last 25K, so I did it today. Couldn't...
  12. New SS

    General
    Sorry if I put this in the wrong section but I didnt no where else to post it. I have an 2007 Trailblazer Lt with the I6. Ive driven it for a year and now want to upgrade to SS. But I am curious are they really that fast I mean are they scary fast or is it all just "SS" hype. Also what are you...
  13. Sudden 3.5 mpg drop in the Envoy...any ideas?

    General
    Ok I searched and searched on here (probably not good enough) but I couldn't find any clear answers. In the last two weeks my mpg has dropped significantly ( I think it's significant that is) I normally get 17mpg for my weekly driving (50 miles a day round trip at 70mph on the highway) and 20+...
Top