i think my car is stuck on retarded.

232stang · August 21st, 2007, 12:56 AM

my car is soo stupid.... no matter how i drive my gas mileage is so sparatic!
like the other day i got 13mpg, this tank im at about 19mpg and still have 1/8 of a tank to go. its crazy. my car has always been like that. when i first got it, i got 280mpt. now im getting anywhere from 170-220 mpt. its soo weird. ive used injector cleaner, changed fuel filter, changed spark plugs. yet still shitty mileage sometimes. i use only shell and chevron regular 87 octane, since thats what its tuned for, i get slightly better gas milegae with 89 or 91 octane. but not enough to compensate for the extra $0.20 per gallon.

any ideas?

96Snaker · August 21st, 2007, 12:59 AM

try keeping receipts of how many gallons it takes you to reach 1,000 miles. That will give you a more precise miles/gallon rating on your car.

You sound like me though buddy.

I used to fill up at 275 miles, now, 225-250. Not driving any different, and have cleaned the intake & fuel system regularly.

Best of luck. Glad I could help lol

TheUNZippee! · August 21st, 2007, 12:59 AM

Could be a number of things. Catalytic converters, a bad sensor, bad air filter, crappy fuel injector(s).

Keep in mind that even weather can affect how she runs.

232stang · August 21st, 2007, 01:03 AM

Originally Posted by 96Snaker

try keeping receipts of how many gallons it takes you to reach 1,000 miles. That will give you a more precise miles/gallon rating on your car.

You sound like me though buddy.

I used to fill up at 275 miles, now, 225-250. Not driving any different, and have cleaned the intake & fuel system regularly.

Best of luck. Glad I could help lol

ill definetly try that.

sad thing is, i get worse gas mileage than all the gt's i know -_-

Originally Posted by TheUNZippee!

Could be a number of things. Catalytic converters, a bad sensor, bad air filter, crappy fuel injector(s).

Keep in mind that even weather can affect how she runs.

well im about to get mil eliminators and an off road x pipe so i wont have to worry about that. my air filter might be a tad bit dirty. i just realized when i got my cai in, i didnt spray the filter with oil, its a K&N type filter. hmmm i guess i know what im doing tommorow night.
i have stock injectors they have 90k miles on them. maybe they need a replacement or a good cleaning instead of just gas additives.

TheUNZippee! · August 21st, 2007, 01:04 AM

Sounds like you're headed in the right direction anyway, 232. Hopefully you'll get it back to normal.

gooberhead320 · August 21st, 2007, 01:11 AM

the k&n filters come pre oiled i thought... at least mine did

232stang · August 21st, 2007, 01:11 AM

ya hopefully. 13mpg is pretty ridiculous in a car that has a hard time beating civics -_-

96Snaker · August 21st, 2007, 02:05 AM

Originally Posted by 232stang

ya hopefully. 13mpg is pretty ridiculous in a car that has a hard time beating civics -_-

ooooo ouch. that does blow.

TheUNZippee! · August 21st, 2007, 02:05 AM

I agree Casper.

96Snaker · August 21st, 2007, 02:10 AM

Originally Posted by TheUNZippee!

I agree Casper.

rofl shut up zip

TheUNZippee! · August 21st, 2007, 02:10 AM

lol

MSO · August 21st, 2007, 09:51 AM

u kno wut wud help?

Better Gas Mileage

no need to thank me

Regency 2007 · August 21st, 2007, 09:58 AM

My friend could have had any car he wanted for under $30,000 and he decided to get a Honda Si because he wanted great gas mileage and some performance. Well he got all pissed when he found out my mustang GT gets better mpg than his car does, I get around 20mpg in town and over 30mpg on the interstate

MustangMatt96GT · August 21st, 2007, 11:32 AM

I get aroung 15-16 MPG, but it should be going up a little, because that is still on my speedometer that doesnt read right so it reads wrong miles it too me to go somewhere

Juggalo_X · August 21st, 2007, 12:31 PM

Originally Posted by TheUNZippee!

Could be a number of things. Catalytic converters, a bad sensor, bad air filter, crappy fuel injector(s).

Keep in mind that even weather can affect how she runs.

EXHAUST LEAK! beleive it or not this is a a common problem

i am suffering fuel millage issues because of a progressing header leak but the upstream o2 on the passenger side.

Reset · August 21st, 2007, 01:17 PM

Originally Posted by My'StangOpens

u kno wut wud help?

Better Gas Mileage

no need to thank me

Juggalo_X · August 21st, 2007, 01:18 PM

Originally Posted by My'StangOpens

u kno wut wud help?

Better Gas Mileage

no need to thank me

MSO ur the only member

HMUSN · August 21st, 2007, 01:20 PM

there are 5 members..

mso
turbo
zip
bwal
speedjunkie92

MSO · August 21st, 2007, 01:23 PM

Originally Posted by Juggalo_X

Originally Posted by My'StangOpens

u kno wut wud help?

Better Gas Mileage

no need to thank me

MSO ur the only member

Originally Posted by HMUSN

there are 5 members..

mso
turbo
zip
bwal
speedjunkie92

its ok to feel stupid

Reset · August 21st, 2007, 01:27 PM

Originally Posted by HMUSN

there are 5 members..

mso
turbo
zip
bwal
speedjunkie92

that forum must be just thriving with activity

August 21st, 2007, 12:59 AM	#2
96Snaker MM's Coffee Addict 1999 SVT Cobra 441rwhp/393rwtq Join Date: Sep 2006 Location: Seattle, WA Posts: 2,164 iTrader: 0 reviews	try keeping receipts of how many gallons it takes you to reach 1,000 miles. That will give you a more precise miles/gallon rating on your car. You sound like me though buddy. I used to fill up at 275 miles, now, 225-250. Not driving any different, and have cleaned the intake & fuel system regularly. Best of luck. Glad I could help lol __________________ Vortech V2, intercooled @ 10psi. Maximum Motorsports supsension goodie bag car less roll cage. Built '04 IRS. Hodge-podge of Roush/Stalker panels.

August 21st, 2007, 09:51 AM	#12
MSO Banned Join Date: Jul 2006 Location: アメリカ Posts: 5,933 iTrader: 0 reviews	u kno wut wud help? Better Gas Mileage no need to thank me __________________ [SIGPIC][/SIGPIC] [SIZE="5"][FONT="Arial Black"]OBEY THE FACE![/FONT][/SIZE] Edited By Moderator. Next time will be a ban.

August 21st, 2007, 11:32 AM	#14
MustangMatt96GT Proud American 1996 Mustang GT Join Date: Dec 2006 Location: Lakewood, CO Posts: 10,692 iTrader: 3 reviews	I get aroung 15-16 MPG, but it should be going up a little, because that is still on my speedometer that doesnt read right so it reads wrong miles it too me to go somewhere __________________ RIP Travis Billings Special Thanks to: Andrews Racing Transmissions Baseline Suspensions 25.3 SFI Chassis Build Never Lift Racecars

August 21st, 2007, 01:20 PM	#18
HMUSN Doc 1986 SVO 48.47@ 12.58 Join Date: Nov 2006 Posts: 37,050 iTrader: 11 reviews	there are 5 members.. mso turbo zip bwal speedjunkie92 __________________

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