GS - 2nd Gen (1998-2005) Discussion about the second generation GS300, GS400 and GS430 (1998 - 2005)

9.5 MPG ? something is wrong..

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Old 11-14-07, 05:33 AM
  #61  
Rock-a-Lex
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Originally Posted by DJ TANTRA
Ahhh!!

Let's not talk about Long Island!!!

I went with these two girls yesterday to Montauk!!
THAT IS THE EDGE OF LI!!!

nearly 150miles away..

Was there for 5minutes than SPED my *** off into the CITY for class..

EASTTTT TO WESTTTTTTT

It was a crazyyy drive..fun -- but exhausting!

Exit 60 is far!
I'd be down for a mini meet around Exit 30-40 (Ikea lot)

Back to mileage...I've been getting incredible highway mileage...So I'm considering the possibility of just simply having too much stop and go traffic like Cliff suggested...


I used some techron again, and have been primarily been doing highway driving to really work that cleaner into the injector...

As I mentioned earlier..abt the Check engine light..I am going to wait abt 1 or 2 more fillings and if there is still a problem I hope I get a check engine light on for the O2s or MAF.


If not I'm definitely going with what Shocker reccomended with the Fuel Injection Cleaning and the Decarb.


So lets get THIS MINI MEET GOING!!!!!

1. Tantra
2. Excluesive
3. Rock-A-Lex
4. TommyJaix
5. we should make a seperate post for this, lol

A mini "meet" sounds good to me somewhere around LIE 30-40... The fuel service that Dashocker recommended is cool w/me as well...let's get this thang goin'///lol...
Old 11-14-07, 05:39 AM
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oohpapi44
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Let me know what you get get planned. My boo boo is going back in the shop tomorrow for a touch up but she'll be back by Friday.
Old 11-14-07, 06:11 AM
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excluesive
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Originally Posted by oohpapi44
Let me know what you get get planned. My boo boo is going back in the shop tomorrow for a touch up but she'll be back by Friday.
grrrrrrrreatttttttt.. what did u do since yesterday morning?... must have to do with that steve harvey u listen to in the office... i hate that guy! (O/T)

Last edited by excluesive; 11-14-07 at 06:16 AM.
Old 11-14-07, 11:26 AM
  #64  
DJ TANTRA
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Originally Posted by tommyjaix
haha, we all kno black friday is the ONLY day guys go shopping, but then again, traffic might be hectic as always
not to mention the lines!!!
i never shop...black friday or white friday (ok..that was cornY)
Old 11-16-07, 01:08 PM
  #65  
DJ TANTRA
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https://www.clublexus.com/forums/sho...69#post3060869

link for the mini meet we were talking about!
Old 02-25-08, 07:12 PM
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I get close to 360/tank averages about 23/gal.. I replace my air filter, cleaned my maf, and had my intake cleaned when I had the starter replaced. I also changed wires and run it on 91...
Old 02-26-08, 05:27 AM
  #67  
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Originally Posted by whytry
I get close to 360/tank averages about 23/gal.. I replace my air filter, cleaned my maf, and had my intake cleaned when I had the starter replaced. I also changed wires and run it on 91...
Wires??? I though our car has coil packs? Did you change these wires? If so that must have been damn expensive getting those from Lexus.
Old 02-26-08, 05:40 AM
  #68  
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360/tank ... I wish i was getting that, I average about 240/tank ... I just got my 45k and fuel injection services done this past weekend so hopefully that will help a little
Old 02-26-08, 08:11 AM
  #69  
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Yup. I'm now able to get 360 miles from full tank to the time it light goes on, but that's just 16 gallons and all highway mileage. So basically I get 22.5mpg.

Doing a few things to the car makes a good difference!
Old 02-26-08, 08:13 AM
  #70  
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I'm 90% city driving ... That's probably why my mileage sucks so bad ... Traffic here in the MIA is crazy
Old 02-26-08, 08:16 AM
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socal city traffic is horrible too. But I now average about 15-16mpg in the city.

Fuel injector cleaner, seafoam, a few other things helped out
Old 02-26-08, 08:25 AM
  #72  
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i get 370(mostly highway)-275(city), when the light comes on, so i guess i can still make 410 easily, but i also have 18" all weather tires, noticed a huge gain in milege when took off my iforged 20" off for the winter used to get 290(highway) and the light would come on. also have intake exhaust and tc..so i guess not bad numbers.
Old 02-26-08, 08:49 AM
  #73  
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I usually go 260 to 320 between fill ups, depending on how much highway driving I do. In your spot, I would:
1) Check tire pressure. You would be amazed how much difference a few pounds of air makes.
2) Check the air filter. If it's a K&N and you don't remember the last time you cleaned it, clean it.
3) Have someone check the trouble codes.
4) Clean the MAF.
5) Be sure you are running 91 octane fuel. The car will run on regular, but the computer retards the timing to eliminate spark knock caused by too low octane in a high compression engine. Retarded timing is a fuel mileage killer.
6) Don't haul around anything heavy. At around 4000 lbs, they are heavy enough.
I noticed around 2 MPG less mileage with the Pwr switch set.
Old 02-26-08, 05:58 PM
  #74  
whytry
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sorry!! I was a little tired when I posted.. I went to change coil packs until I saw the price!! I've changed the tranny fluid, and rearend fluids too.... Also ran that engine flush through 2x in a row, which I did not really notice much in terms of get up and go, but I did notice the mpg went up about .8 mpg ever since I did that...
Old 02-26-08, 08:24 PM
  #75  
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Lol, This thread was brought back
I have an update on my situation...

Turned out that one of vaccum hoses was disconnected...I noticed it when I was installing my SRT. I noticed a lot more power gain and better mileage..

BUT...It is still not that great...

I drive with a heavy foot..but now..

I get about 200 miles per filling...I think it comes out to be about 11-12mpg =( .. Still sucks!!!


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