 Problem :Mpg, help |
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 Sep 17, 2004 - 9:07 AM
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 Enthusiast  Joined Apr 4, '04 From New York Currently Offline Reputation: 0 (0%)  |
some is really wrong, my car is only getting about 180-215 miles off a full tank of gas. when i first got it i got like 340 or something around there. this seemed to happen when i got my injectors cleaned about 2 months ago. this problem goes away when i rest my ecu but seems to come back. any suggestions would be greatly appreated
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Sep 17, 2004 - 9:32 AM
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 Enthusiast Joined Feb 10, '03 From Connecticut Currently Offline Reputation: 11 (100%) |
Are you getting a CEL? Your o2 sensor maybe shot.
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Sep 17, 2004 - 9:47 AM
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Enthusiast Joined Jul 7, '04 From charlotte N.C. Currently Offline Reputation: 0 (0%) |
maybe your egr also. although this wouldnt account for it working on resetting the ecu.
how long does it work after you reset the ecu? This post has been edited by recneps: Sep 17, 2004 - 9:50 AM -------------------- Former: 96 GT 5 speed (i/p/e) Fate- rear ended by mack truck
00 GTS 6 speed (i/ Bored TB 63mm - 68.5mm w/ butterfly/ Ported IM/ IMG/ PFC/ Commander/ datalogit/ Ported & heat wrapped Header/ Decat/ UEGO/) 193FWHP 14.2(1/4mi) @98mph, 2.12 60ft (just intake, unbolted Exhaust, and gutted) Fate- side swipped by 18 wheeler at 75mph. Next: maybe an elise |
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Sep 17, 2004 - 10:19 AM
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Enthusiast Joined Mar 18, '04 From San Diego Currently Offline Reputation: 0 (0%) |
i'm just curious but how big is the gt gas tank? 14 gallons, thats what i estimated. i wanted to know if anyone knew for sure. i didnt want to post a whole new thread for this question.
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Sep 17, 2004 - 10:39 AM
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 Enthusiast Joined Jan 8, '04 From LA Currently Offline Reputation: 0 (0%) |
15 gallons; but the last 2 and a half gallons are below the E line.
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Sep 17, 2004 - 10:54 AM
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 Enthusiast Joined Oct 3, '02 From Va Team 6gc Currently Offline Reputation: 1 (100%) |
its 15 with a 3 gallon reserve, your light will flip on at 12
--------------------  All I have in this world is my Balls and my Word and I'm not breaking em for no one,- Tony Montana Team 6gc 2005 |
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Sep 17, 2004 - 1:49 PM
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 Enthusiast Joined Jun 30, '03 From O-town, FL Currently Offline Reputation: 0 (0%) |
I get like 330 on a full tank
-------------------- Sometimes we live to beat the odds.
- Ryan  aim: rkgreen04 |
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Sep 17, 2004 - 6:28 PM
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Enthusiast Joined Apr 4, '04 From New York Currently Offline Reputation: 0 (0%) |
my cel is not comming on, and when i reset the ecu it works for about 1 tank. i am thinking mybe if i tune it up i might get it back. i know i need a new air temp sensor but i dont think that the cause of this
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Sep 17, 2004 - 11:04 PM
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Enthusiast Joined Nov 4, '02 From Davenport Iowa Currently Offline Reputation: 0 (0%) |
your air temp might not be your whole problem but its diffently someof it... you said you had the injectors cleaned and it happened after that? exactly how did you have them cleaned?
--------------------  99 project version 3.0.. hello SEMA 2010 =) |
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Sep 18, 2004 - 9:26 AM
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Enthusiast Joined Apr 4, '04 From New York Currently Offline Reputation: 0 (0%) |
i acually have no idea, my pops took it to get done. i belive he took them out and cleaned them. i remmber the car was running rich for a while., if i had a bad 02 sensor my cel would come on right?
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Sep 18, 2004 - 9:36 AM
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 Enthusiast Joined Feb 25, '04 From Wisconsin Currently Offline Reputation: 0 (0%) |
biggest things for mpg
02 sensor fuel filter bad fuel clogged exhaust or CAT bad plugs/wires and most common way to lose mpgs lead foot And no, a bad 02 sensor wont pop a CEL unless it actually goes dead. If its dying or not working well, your CEL wont go at all. EDIT: All make sure your air filer is clean and you have a temp sensor if you have an aftermarket intake. This post has been edited by turboinduction: Sep 18, 2004 - 9:42 AM |
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Sep 18, 2004 - 12:18 PM
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 Enthusiast Joined Aug 20, '03 From Annapolis, Md Currently Offline Reputation: 5 (100%) |
so talking about this, what does every one get for mpg .. also like how do you drive and what more, like short or long..
I drive like an ass cause my car is slow, so mostly take it to 4k.. and its about med trips to 15 min to class.. then on weekend like 45 min trip to cp.. so last time i got 26.9 .. |
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Sep 18, 2004 - 3:50 PM
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Enthusiast Joined Oct 3, '02 From Va Team 6gc Currently Offline Reputation: 1 (100%) |
thats around wut i get, but when i got my car i was getting like 32mpg. I've been using my cruise control alot lately and its helps me get a little extra outa my tank.
-------------------- All I have in this world is my Balls and my Word and I'm not breaking em for no one,- Tony Montana Team 6gc 2005 |
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Sep 18, 2004 - 5:13 PM
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Enthusiast Joined Feb 25, '04 From Wisconsin Currently Offline Reputation: 0 (0%) |
I get about 320 to 420 on a tank depending on how hard I drive and if its highway or not.
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Sep 18, 2004 - 9:13 PM
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Enthusiast Joined Apr 22, '04 From Rhode Island Currently Offline Reputation: 3 (100%) |
i thoguht celicas had 15.9 gallon tanks...
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Sep 19, 2004 - 10:27 AM
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Enthusiast Joined Apr 4, '04 From New York Currently Offline Reputation: 0 (0%) |
when i rest the ecu it works for about 2 tanks then it goes to hell again. my cel dosnt come on. when 02 sensors go bad does the cel always come on
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