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Joined: Sep 2003
Posts: 3,077
slidr
Specialist
slidr Nov 13, 11:08pm - #60111 

Specialist
2000 Toyota Celica

Joined: Sep 2003
Posts: 3,077
Saint Louis, MO
Strange Reving at Start-up...

I have a 2000 GTS manual, and today I noticed that when I started it, it started to rev itself about five times from 1500 RPM to 2000 RPM. Then it stopped and went down to normal idle just under 1000 RPM. Is this normal?

Oh, and I tried restarting it numerous times in different gears, with the clutch held in, and then released, and the same thing happened. I'm thinking that since it's like 40 degrees outside and that the engine was cold, that it does this in order to warm it up a little. But that's this my theory. And I just noticed this today for the first time when it finally got cold outside.

Anyone else have this issue, or is it normal? Thanks.

Aqua Teen Hunger Force...number one in the hood, G
Joined: Jan 2003
Posts: 2,161
Street Prototype
ECelica Staff
Street Prototype Nov 13, 11:09pm - #60112 

ECelica Staff
2002 Toyota Celica GT

Joined: Jan 2003
Posts: 2,161
Guam, U.S.A.
should be the weather

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Joined: Jan 2003
Posts: 1,577
Stephen
Specialist
Stephen Nov 13, 11:49pm - #60113 
2003 Silver Toyota Celica GT
Specialist
2003 Toyota Celica GT

Joined: Jan 2003
Posts: 1,577
Mine does the same thing...it's cool.
Joined: Jul 2003
Posts: 48
Magnus
former member
Magnus Nov 14, 12:05am - #60114 
former member
2001 Volskwagon Golf GTi

Joined: Jul 2003
Posts: 48
Reykjavik, Iceland
That is completly normal!

Its the choke thing. Remember in the old cars when you had to pull out a pin when it was cold to start the car?

Now its just built in the computer grin
Joined: Apr 2003
Posts: 4,658
Evan
Rebel
Evan Nov 14, 12:11am - #60115 

Rebel
2003 Toyota Celica GT

Joined: Apr 2003
Posts: 4,658
Washington
Originally Posted by Street Prototype
should be the weather


yep, when it gets cold out mine does the same thing. Every car I've had revs harder in cold temps; nothing to worry about.

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Joined: Sep 2003
Posts: 3,077
slidr
Specialist
slidr Nov 14, 1:37am - #60116 

Specialist
2000 Toyota Celica

Joined: Sep 2003
Posts: 3,077
Saint Louis, MO
Originally Posted by Magnus
That is completly normal!

Its the choke thing. Remember in the old cars when you had to pull out a pin when it was cold to start the car?

Now its just built in the computer grin

Great, I thought so but I just wanted to make sure. Never had a car that did that before, it's kinda cool when I think about it. Thanks for all of the help guys! thumbsup

Aqua Teen Hunger Force...number one in the hood, G
Joined: Oct 2003
Posts: 36
celi2k
Member
celi2k Nov 14, 8:29am - #60117 
2000 White Toyota Celica
Member
2000 Toyota Celica

Joined: Oct 2003
Posts: 36
CA
dont wanna scare anyone, but it could be somthin else. Although it probly is the cold weather, and i havent experienced that yet, it may be the map sensor. I dont know anything too much about cars or that part in particular,I think it senses exactly how much gas needs to be combusted and it regulates it or sumthin, pukebut in my 90 celica GT, it cost 300 bucks for the part! AND 300 MORE to install it! just wanted to run it by you guys, let me know if it could be that, i dunno, but i hope it stays as being the cold weather, and not this other $600 problem.
Joined: Sep 2003
Posts: 45
vteckiller
Member
vteckiller Nov 14, 8:34am - #60118 
2002 Absolute Red Toyota Celica
Member
2002 Toyota Celica

Joined: Sep 2003
Posts: 45
i think it is the cold weather cause i mine does the same and only when its cold
Joined: Feb 2003
Posts: 524
celica2kgts
Senior Member
celica2kgts Nov 14, 11:23am - #60119 
2000 Viper Red W/ Purple Toyota Celica
Senior Member
2000 Toyota Celica

Joined: Feb 2003
Posts: 524
New Hampshire
mine does it too but i have had it do it after a long drive like when i come to a stop and am idling confused but that hasn't happened for while now
Joined: Apr 2003
Posts: 71
Michael Aristide
Member
Michael Aristide Nov 14, 6:31pm - #60120 
Member

Joined: Apr 2003
Posts: 71
Miami/Daytona Beach
Originally Posted by celi2k
dont wanna scare anyone, but it could be somthin else. Although it probly is the cold weather, and i havent experienced that yet, it may be the map sensor. I dont know anything too much about cars or that part in particular,I think it senses exactly how much gas needs to be combusted and it regulates it or sumthin, pukebut in my 90 celica GT, it cost 300 bucks for the part! AND 300 MORE to install it! just wanted to run it by you guys, let me know if it could be that, i dunno, but i hope it stays as being the cold weather, and not this other $600 problem.


The Celica uses a MAF sensor, not MAP. MAP is generally used on factory boosted cars. The MAF detects how much air is going into the engine by using a hot wire that is calibrated to stay at a certain temperature. The more air is flowing past it, the cooler it gets causing the ECU to send more voltage to compensate. The difference in voltages is the ECU input for airflow. You paid 300 dollars to install a sensor?? eek Hope you used KY for that rofl To the original poster, you might wanna check your MAF for debris and/or oil buildup... If there's none, it's probably the weather like others said...
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