Acura Integra All Integra Except ITR

Funny idle

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Old Sep 4, 2004 | 01:08 AM
  #1  
jabberwocky's Avatar
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Joined: Aug 2004
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From: oak harbor, wa, united states
Default Funny idle

I own a 93 teg and the car idles funny after it gets wamed up. It gets to the point were it almost stlalls out. The previous owner has already tried reseting the ecu. He said it happend when he put in the cold air intake but I fail to see wat that has to do with ****. any inputs would be great
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Old Sep 4, 2004 | 09:34 AM
  #2  
mikeymikes's Avatar
 
Joined: Sep 2004
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From: Austin, TX, USA
Default Re: Funny idle (jabberwocky)

I have that problem as well, i dont know whats up....it'd be nice if sum1 could help us out.
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Old Sep 4, 2004 | 09:46 AM
  #3  
CalGSR99's Avatar
 
Joined: Jul 2004
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From: Bakersfield, CA, USA
Default Re: Funny idle (mikeymikes)

Just a guess, but did you check that the Mass Air Flow sensor was corrent plugged back in? Good luck.
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Old Sep 4, 2004 | 02:49 PM
  #4  
gsrman99's Avatar
 
Joined: Mar 2003
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From: springfield, pa, usa
Default Re: Funny idle (CalGSR99)

I would look at the ECT (engine coolant tempreture) sensor. Since it only happens at a certain tempreture there is probably an open or short in it and is only visable at that tempreture. to understand this you have to understand how an ECT works.
Time to go to school. Your computer in your car sends 5 volts to the ect. depending on how much volts it takes and puts back to the computer lets the computer know how cold the engine is.
example of a good ECT:
80 degrees out side, 80 degrees engine temp, ect reading is 4.65 volts
80 degrees out side, 200 degrees engine temp, ect reading is 2.02 volts

bad ECT (your problem)
80 degrees out side, 200 degrees engine temp, ect reading is 5 volts

so baisicly your engine thinks the engine is to cold so its gonna dump fuel to warm it up. this condition could go in reverse too. it the engine is cold and the computer thinks its hot you will not have enough fuel.
my suggestion to your problem is test your ect by back probing it when u wake up and then after you drive your car. get the voltage reading and see if it makes sense. have a nice day
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