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#1 |
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Banned
Join Date: Apr 2008
Location: Florida
Posts: 3,965
![]() iTrader: 1 reviews
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wtf is wrong with my car?
if im at a low rpm in 4th or 5th (like 2500) and i floor it my rpm steadily goes up towards 3k but like dips back down and then stays there and then goes back up
like 2500....2600....2700...2800....2600....stays there for a second and goes back up im praying to god i dont need a new clucth could it just be needing a tune or maybe even its just realated to the fuel pump some how
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Just Another Bolt on GT [IMG]http://i45.tinypic.com/54f5ua.jpg[/IMG] Stock Longblock - 287/276 Low 12s NA! 10s on the spray? |
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#2 |
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MM Fanatic
2000 GT
Join Date: Dec 2006
Location: Lynnwood, Washington
Posts: 4,258
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Your fuel pump bad? Saw you had a thread awhile ago but didnt read it. Could cause that. Doubt its tune unless you just had it tuned.
You would know if its clutch slippage, it would rev faster than that. And wouldnt hang. Datalog to see whats wrong...
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2000 Black convertible GT: KB 15psi, and other goodies... ![]() 1971 Datsun 240 z: Header and rebuilt motor. (The DD) |
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#3 | |
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Banned
Join Date: Apr 2008
Location: Florida
Posts: 3,965
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i dont have a problem when i race.... and i have no tune and my car is running like shit but ill have a tune in like a week or 2 and i THINK i have a warrenty on my clcuth with the shop that did it....
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Just Another Bolt on GT [IMG]http://i45.tinypic.com/54f5ua.jpg[/IMG] Stock Longblock - 287/276 Low 12s NA! 10s on the spray? |
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#4 |
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Smelly Fists, Socking Cocks
Millenium Falcon
"Lived the Dream, Created the Reality, Basking in my Awesomeness"
Join Date: Mar 2007
Location: Zip's Bubble
Posts: 12,798
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get ur 02 sensors fixed yet?
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#5 |
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Banned
Join Date: Apr 2008
Location: Florida
Posts: 3,965
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no...could that be it?
if so then im not worried about it just waniting on a little more cash till i can buy a tuner from joe
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Just Another Bolt on GT [IMG]http://i45.tinypic.com/54f5ua.jpg[/IMG] Stock Longblock - 287/276 Low 12s NA! 10s on the spray? |
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#6 |
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MM Fanatic
2000 GT
Join Date: Dec 2006
Location: Lynnwood, Washington
Posts: 4,258
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Your o2s are bad? lol start there dude... fix what you got before you upgrade.
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2000 Black convertible GT: KB 15psi, and other goodies... ![]() 1971 Datsun 240 z: Header and rebuilt motor. (The DD) |
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#7 |
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Banned
Join Date: Apr 2008
Location: Florida
Posts: 3,965
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well i dont think thiers anythign wrong with the sensors...its just i got on o/r pipe with no tune or MILs
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Just Another Bolt on GT [IMG]http://i45.tinypic.com/54f5ua.jpg[/IMG] Stock Longblock - 287/276 Low 12s NA! 10s on the spray? |
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#8 |
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MM Fanatic
2000 GT
Join Date: Dec 2006
Location: Lynnwood, Washington
Posts: 4,258
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So your rears are messing with you. A tuner could get them turned off. I would do that. Maybe reset the ecu (unplug battery) and see if it goes away. It will come back fast as the computer fills in its tables. Its probably the rear o2s messing with the tune bad.
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2000 Black convertible GT: KB 15psi, and other goodies... ![]() 1971 Datsun 240 z: Header and rebuilt motor. (The DD) |
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#9 | |
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Banned
Join Date: Apr 2008
Location: Florida
Posts: 3,965
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and when i unplug the battery my CEL stays off for like 2 hours but comes rite back on lol
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Just Another Bolt on GT [IMG]http://i45.tinypic.com/54f5ua.jpg[/IMG] Stock Longblock - 287/276 Low 12s NA! 10s on the spray? |
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#10 |
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Banned
1992 Lx
11.39@119.24
Join Date: Jan 2008
Location: Az
Posts: 11,665
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sounds like ur clutch is slipping to me, slightly but still slipping
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[QUOTE=93mustank;2577445]We speed tested my right arm for quickness in shifts... So he could design the cam for proper shift recovery.[/QUOTE] |
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#11 |
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Smelly Fists, Socking Cocks
Millenium Falcon
"Lived the Dream, Created the Reality, Basking in my Awesomeness"
Join Date: Mar 2007
Location: Zip's Bubble
Posts: 12,798
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botom line is ur car will not run right because ur 02's are being tripped.
turn them off and i garuntee u ur problems will go away |
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#13 |
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Enthusiast
2004 Mustang GT
Join Date: Jan 2007
Location: Fort Worth, TX
Posts: 970
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i doubt its the clutch i dont think a clutch would hold you at a lower rpm
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2004 Black Mustang GtWhen I see a 5.0...I respect my elders. |
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#14 |
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Smelly Fists, Socking Cocks
Millenium Falcon
"Lived the Dream, Created the Reality, Basking in my Awesomeness"
Join Date: Mar 2007
Location: Zip's Bubble
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his clutch is brand new........
i know it's Demello and all, but c'mon, he couldn't have Demellod himself that badly |
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#15 | |
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Enthusiast
2004 Mustang GT
Join Date: Jan 2007
Location: Fort Worth, TX
Posts: 970
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2004 Black Mustang GtWhen I see a 5.0...I respect my elders. |
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#16 |
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MM Fanatic
2000 GT
Join Date: Dec 2006
Location: Lynnwood, Washington
Posts: 4,258
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02's will mess your shit up when not working (or rears not turned off with no cats). I would start there.
He said it doesnt happen at WOT which clutch slippage would be way worse. "i dont have a problem when i race.... and i have no tune and my car is running like shit but ill have a tune in like a week or 2"
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2000 Black convertible GT: KB 15psi, and other goodies... ![]() 1971 Datsun 240 z: Header and rebuilt motor. (The DD) |
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#17 |
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I Post Entirely Way Too Much
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if his clutch was slipping, he would feel it more in the lower gears where there is actually more power running theough them. but he said it only happens in 4th and 5th though, so i dont see it being a clutch.
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RIP ![]() ΜΟΛΩΝ ΛΑΒΕ Political Correctness is a doctrine, fostered by a delusional, illogical, liberal minority and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a turd by the clean end. One Big Ass Mistake America SHEEPDOGS |
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#18 |
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Hardcore Enthusiast
Join Date: Jun 2007
Location: southcarolina
Posts: 1,270
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it does not sound like your clutch its like a few people already said your rpms would go up not down if it was slipping. but im telling you the two burn out videos you have. i watched both and i already told you once you keep letting your clutch out slow when you need to be dumping it. it wont be long before you burn that clutch up! how many miles are on your car? whens the last time you did a tune up?
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#19 |
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Regular
99' Mustang GT
N/A
Join Date: Apr 2008
Location: Milwaukie, Oregon
Posts: 68
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Yeah, definately not the Clutch. I would think htat it is your O2 sensors causing it. Also you asked if it could be your fuel pump... That would be Very unlikely due to the fact that when you are racing it and what not there aren't any problems. Also if it is a random accurance.... It may even be a mass air flow problem. Most likely your O2 though.
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Wouldn't it be nice if tools were free? Not talking about that one annoying friend... I am talking about tools, in a box... |
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#20 | |
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Regular
Join Date: Oct 2006
Posts: 457
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If his clutch is slipping his RPM's would increase and his vehicle speed would stay the same or not increase with the same standard as the RPM's. SO, it's not that. When Fuel pumps go out they just don't work. Even if it "whines" and it's still starting your car, your fuel pump is fine or at the least working. Whens the last time you cleaned your Maf or checked to see if your intake system was connected correctly? If I where to guess without looking at it, I'd assume it was your ignition system, A bad coil. |
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