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Joined: Aug 2004
Posts: 129
Member 2001 Toyota Celica
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Member
2001 Toyota Celica
Joined: Aug 2004
Posts: 129 |
I was just wondering if anyone else had this problem with their engine...
My engine has 49k miles on it and its an 01 GTS...
whenever I go 30mph or above and let the stick rest in neutral my rpm needle goes down smoothly but once it gets close to 1,000 it goes down to 800---700---600----then suddenly kicks back up to about 1,500 rpm...does anyone know what this problem might be...any suggestions?? I'm trying to figure out what it is and it's driving me crazy! any help?
Nandayo!
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Joined: Mar 2003
Posts: 1,303
Specialist 2003 Toyota Celica
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Specialist
2003 Toyota Celica
Joined: Mar 2003
Posts: 1,303 |
u may need to clean the Idle Air Control Valve
If you want peace... Prepare for War
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Joined: Oct 2004
Posts: 180
Member
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Member
Joined: Oct 2004
Posts: 180 |
DUDE i have that exact same problem man! It bugs the crap out of me...
does your car rev up a little bit everytime you shift? Like you're accelerating and then right when you push in the clutch (to go into the next gear).. RIGHT when you push in the clutch, the RPM jumps up about 500 RPM? The faster you push the clutch, the more it jumps. if i shift really really slow, slow enough to to revmatch, then it doesn't do it but yeah.. i dont know what the problem is.
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Joined: Feb 2004
Posts: 752
Senior Member 2002 Toyota Celica GT
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Senior Member
2002 Toyota Celica GT
Joined: Feb 2004
Posts: 752 |
Had that and cleaning my MAF sensor did the trick for me 
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Joined: Sep 2003
Posts: 2,241
Specialist 2000 Toyota Celica
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Specialist
2000 Toyota Celica
Joined: Sep 2003
Posts: 2,241 |
MAF or IACV are the usual suspects.
Best 60' 1.959 best 1/4 - 13.7 @ 101mph
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Joined: Feb 2004
Posts: 11
Member 2003 Toyota Celica GT
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Member
2003 Toyota Celica GT
Joined: Feb 2004
Posts: 11 |
Where is the IACV in the engine bay for the 1ZZ?
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Joined: Aug 2004
Posts: 129
Member 2001 Toyota Celica
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Member
2001 Toyota Celica
Joined: Aug 2004
Posts: 129 |
Where is the MAF or ICVA located in the 2zz?
Nandayo!
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Joined: Sep 2003
Posts: 16
Member 2001 Toyota Celica
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Member
2001 Toyota Celica
Joined: Sep 2003
Posts: 16 |
maf is a square shaped sensor with two screws and should be slap in the middle of your intake ( pretty much) the iacv is on the underside of the throttle body, and to get it off, you have to take that tb off. Which is why my iacv is still dirty, cause im lazy.
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Joined: Dec 2002
Posts: 1,660
ECelica Staff 2001 Toyota Celica
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ECelica Staff
2001 Toyota Celica
Joined: Dec 2002
Posts: 1,660 |
sounds like you are pushing in the clutch with your foot still on the gas. Try taking your foot completely off the gas and then push in the clutch
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Joined: Nov 2003
Posts: 13
Member 2000 Toyota Celica GTS Tu
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Member
2000 Toyota Celica GTS Tu
Joined: Nov 2003
Posts: 13 |
DUDE i have that exact same problem man! It bugs the crap out of me...
does your car rev up a little bit everytime you shift? Like you're accelerating and then right when you push in the clutch (to go into the next gear).. RIGHT when you push in the clutch, the RPM jumps up about 500 RPM? The faster you push the clutch, the more it jumps. if i shift really really slow, slow enough to to revmatch, then it doesn't do it but yeah.. i dont know what the problem is. I have the same exact problem! even i keep my foot completly off the gas pedal the revs go up when i shift. I can't figure out what it is.
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Evan
2003 Toyota Celica GT
Washington
Joined: April 2003
Thank you.: To everyone on this board for the ideas! Random: Finally got RIMS!
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