10-17-2011, 11:24 PM
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#1
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GLS member
Join Date: Jun 2007
Location: Utica, Michigan
Posts: 2,227
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Fuel System Cleaner killing fuel economy?
So, I put a bottle of Chevron Techron Synthetic Fuel System Cleaner in a full tank of gas and I noticed I am getting shit for mileage on this tank of gas. I usually get 100-150 miles from full to the 3/4 mark but this time I have a little over 80 miles and I am nearing a half tank.
Is it normal for the stuff to cut down the efficiency of the fuel? I've never noticed this before while using fuel system cleaner, yet this techron stuff was recommended by a GM certified mechanic. maybe because its more condensed, it dilutes the gas more?
I'm just worried because with the way it's going, I think I am only getting less than 20 to the gallon and thats HORRIBLE considering I am broke and barely can afford gas while getting 25-30 per gallon!
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2000 Chevrolet Malibu LS
2000 Oldsmobile Alero GL (sold)
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10-19-2011, 01:12 AM
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#2
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GLS member
Join Date: Nov 2007
Location: Indiana
Posts: 3,201
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Its normal....
I wish I got 20 mpg
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10-19-2011, 04:06 AM
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#3
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GLS member
Join Date: Aug 2010
Location: indy
Posts: 8,411
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Quote:
Originally Posted by xXManwhoreXx
Its normal....
I wish I got 20 mpg
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get rid of the autozone exhaust and fart pipe...  oh wait didn't the fart pipe fall off? 
jk man hahaha 
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S. . .L. . . E . . .E. . .P. . .Y. . .IS A TRAITOR--HE GOT BORED SO HE SOLD ME AFTER HAVING AN AFFAIR WITH A RICE ROCKET
Oldsnut is my Hero!
Meet Destiny, shes a 2001 Oldsmobile Alero GLS, F40 6MT swap. (#2 of 3)
2/24/14 - 200,000 miles body/motor. 22,300 on F40.
Quote:
Originally Posted by Oldsnut
He would Plasti Dip his pecker if he could.
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Quote:
Originally Posted by tipnitty
A girl touched my Pee Pee. So you can say things are getting pretty serious for me.
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10-19-2011, 07:34 AM
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#4
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GL Member
Join Date: Jan 2011
Location: michigan
Posts: 414
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maybe you just got some bad gas?
i thought getting 24 mpg was bad :P
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10-19-2011, 02:24 PM
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#5
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GLS member
Join Date: Nov 2007
Location: Indiana
Posts: 3,201
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Yea it did haha sad thing is idk where it happened
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10-19-2011, 04:22 PM
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#6
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GLS member
Join Date: Aug 2010
Location: indy
Posts: 8,411
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Quote:
Originally Posted by xXManwhoreXx
Yea it did haha sad thing is idk where it happened
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haha thats funny, i would have laughed my ass off if it fell off when we were cruising back from ASS. LOL! but i know it didnt.
sorry im off topic here. i think i roughly get 28 or so on the highway.
__________________
S. . .L. . . E . . .E. . .P. . .Y. . .IS A TRAITOR--HE GOT BORED SO HE SOLD ME AFTER HAVING AN AFFAIR WITH A RICE ROCKET
Oldsnut is my Hero!
Meet Destiny, shes a 2001 Oldsmobile Alero GLS, F40 6MT swap. (#2 of 3)
2/24/14 - 200,000 miles body/motor. 22,300 on F40.
Quote:
Originally Posted by Oldsnut
He would Plasti Dip his pecker if he could.
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Quote:
Originally Posted by tipnitty
A girl touched my Pee Pee. So you can say things are getting pretty serious for me.
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10-22-2011, 12:17 PM
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#7
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GX Member
Join Date: Aug 2011
Location: Vancouver BC
Posts: 203
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my 2 cents
Around town I only get 18-21 Mpg lots of hills in my small town but road trips all highway driving I have got 29-31 Mpg. but I never use fuel adds.
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Bessie Braddock: “Sir, you are drunk.”
 Churchill: “Madam, you are ugly. In the morning, I shall be sober.” 
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10-22-2011, 12:38 PM
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#8
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Premier V.I.P. Member
Join Date: Dec 2009
Location: New Hampshire
Posts: 1,979
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find out what your next tank does. sometimes your guage reading vearys a bit. i usualy get around 100 at the 3/4 mark and 150 at the half mark. wait untill you refill and find out what your mph are before you assume the worse.
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The dumbass that shows up randomly 10 years after selling the car.
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10-24-2011, 12:31 AM
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#9
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GX Member
Join Date: Oct 2011
Location: Stetsonville, Wisconsin
Posts: 107
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I normally get better gas mileage when I use real gas. I know it sounds stupid but most the gas at pumps has 10% Ethanol. Sure you will spend about 20 cents less per gallon getting it but If you can find a gas station that has pure gas, get it. I went form about 19mpg city and 24mpg highway to probably 23mpg city and 28-30 highway. Car also runs a lot better and you get your moneys worth. Also I through Heet 
Shit works great to take out any water found in the gas/cleans injectors and keeps your car running good when It gets cold out. It also doesn't have tons of additives, just alcohol to clean it out.
Edit: This is the only thing I'd recommend throwing in your gas tank other than good 100% gas. After all our cars weren't made for ethanol, some people forget that.
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Mods include: Hood scoop, Black pin stripping, cool air intake, sound system(6 1/2 front 6by9 back pioneer), 1200w amp with 12dp switch, big three upgrade.
Mods in the making: 65mm Throttle body, B&M Shift Kit, Spyder3 hood scoop, HP Tuner??, Pacesetter Header, Magnaflow High Flow cat, and Catback Exhaust System
Unfortunately there is no misplacement for displacement.
Last edited by TaurineMike : 10-24-2011 at 12:34 AM.
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10-24-2011, 10:26 AM
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#10
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GLS member
Join Date: Jun 2007
Location: Utica, Michigan
Posts: 2,227
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well heres the verdict. I got 18 mpg on my last tank which is absolutely horrible considering I usually get from 25-28 mpg mixed driving. I attribute it to two factors, the fuel additive and wind. The last week has been extremely windy (40+ mph at times) and I was doing some driving in it. I filled up again and it seems that my mpg is back to normal so I am happy - case closed for now!
__________________
2000 Chevrolet Malibu LS
2000 Oldsmobile Alero GL (sold)
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10-25-2011, 04:46 AM
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#11
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GLS member
Join Date: Nov 2007
Location: Indiana
Posts: 3,201
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Even low speed wind will kill your mpg
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