Gas problems!
 

Okay. as many users stated they are getting bad MPG's, so am i! About 11!!!!!

My car was tuned up last year as well as a radiator flush in december 2006.

(was not in my possesion at that time). Well i was wondering what would be good to do to see if i can get better gas mileage? I do drive like a bat out of hell, but still i should get a little better than 11 MPG's. My 4X4 has NEVER had any service on it, but i've never had any problems with it.

Also, if i get out of my car right after i turn it off, it kinda smells like gas, not too bad, just a little bit more than i can really tell off of other big suv's. Could i have a leak or something?

And on a final note, my fuel gauge sucks! it will tell me i have less than a 1/4 tank left, then boost up to half a tank, once i start moving......

Thanks!

RE: Gas problems!
 

Rastaskater, it would make helping easier if we knew what you drive. Putting your vehicle information into your signature will always help.

RE: Gas problems!
 

my fuel gauge is the same n i have a bad leak anything over half way pours out..maybe air in the tank does it


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RE: Gas problems!
 

i drive a 95, 4x4 LT Blazer oh yeah and its black lol

It has 214xxx on it, 70,000 on a rebuilt tranny and engine. Thanks alot guys...

Anyone know of any problems that sounds like or resolutions?

RE: Gas problems!
 

It is possibly a bad seal on your fuel pump that is letting fumes get out!! I would check also the gas cap first then it would be drop the tank and replace the seal around the fuel pump also check the hoses for cracking and spliting!!

RE: Gas problems!
 

After that, if there's been a lot of miles put on it since the tune up, do another one.

Plugs might have been over looked because of that evil #3.

It might be the fuel spider/pressure regulator... I think your year had CPI... I can't remember for sure.

Also, driving like a bat out of hell in a 4x4 SUV in winter = bad gas mileage...

Cold weather uses more fuel.

RE: Gas problems!
 

Also any deviation from any factory tire size or upgrade would impact mpg's as well unless you correct it with a tuner but a few things to do would be check your cat, o2 sensors and also pull the plugs and re-check there gap and condition!!

RE: Gas problems!
 

Okay tune up first, then ill go from there.

RE: Gas problems!
 

also. i just noticed when i first turn my car on, i can be driving for a few minutes, and the temp stays at 100 then finally near about five minutes of driving it will go to 200 where its supposed to be. New thermostat ftw?

RE: Gas problems!
 

Have you had a compression test done? Mine cost me like $90 to get done. But I was having a noticable loss of power also....

RE: Gas problems!
 

it is going to take a while to warm up... especially in the winter

RE: Gas problems!
 

So i haven't really had time to check anything out...but i know for a fact something isnt right. My car lets off some pretty gasssssey fumes....straight gas...like im at the gas station....lol

RE: Gas problems!
 

Check for leaks first. if it smells only when running and no leaks i would lean toward the fuel regulator. check the fuel psi if it drops off fast when you check it its prob bypassing the fuel directly into the intake.

RE: Gas problems!
 

Yea I would be doing the checks we all have stated before driving it again!!! So as of now have you checked anything yet???

RE: Gas problems!
 

How would i check the fuel pressure/ and regulator?

RE: Gas problems!
 

As for the fuel gauge going down a 1/4 and then up a half.. it is the nature of all fuel gauges, they arent the most accurate thing in the world.. my 1/4 is actually empty now.. if i bring my 2003 s10 blazer all the way down to the low fuel indicator light.. that means over 16 gallons has been used (in a 17 gallon tank)... As for the question about the thermostat only going up to 200 after 5 minutes.. once again.. not the most accurate thing and it takes about 5 minutes for the heat to get that high (the first few minutes it might get up to 100 which wouldnt cause the guage to move)..
One thing that seems to work for me is those ignition system cleaners every 3k miles.. some people say they are a crock but i have noticed a 1-2 mpg boost and it cant really hurt that much...

RE: Gas problems!
 

Fuel pressure can be checked with a fuel pressure tester that you can pick up from a part store for a decent price, and you check that at the shrader valves on the driver side of the motor near the firewall!! The regulator I believe is inside the manifold itself!!

RE: Gas problems!
 

There is a few ways to check it here is one. I forgot to check the year and what motor you have but this thread should help you out on what you are looking for anyway.
https://blazerforum.com/m_65358/tm.htm