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everytime turn on ac car idles up and down at stop

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Old 06-21-2004, 02:26 PM
  #11  
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Default Re:everytime turn on ac car idles up and down at stop

YOU might have a bad coil mine did that when it got too hot and it would mess up my idle and bounce and my cel would come on .....i changes out the soil and the distributor cap and rotor and it was gone..
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Old 06-21-2004, 07:08 PM
  #12  
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Default Re:everytime turn on ac car idles up and down at stop

i just changed rotors and cap on the dizzy less than 1 year old i dont think that should be the problem.. the evac i cleaned that sucker up.. not the problem.. my fren as a new distributor on his gsr and a high voltage amp.. he is also having a similar problem but his isnt extreme like mines. his is bareable.
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Old 06-22-2004, 06:52 AM
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Default Re:everytime turn on ac car idles up and down at stop

my brothers 2g dsm used to have a slight problem with lowered rpms when at a stop light (in neutral, 5spd). I removed the cat and started doing performance upgrades to the thing.. must have fixed something along the way, purs just fine now.
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Old 06-29-2004, 09:20 PM
  #14  
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Default Re:everytime turn on ac car idles up and down at stop

Oh god, it's the bloody AC, it's cycling on and off or the clutch is slipping. It says right in the owners manual the idle RPMS will increase when the AC is on.

Solution,
1. RIP IT OFF!!!
2. Install turbo system
3. Roll down windows
4. Enjoy a higher volume of air going through windows
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Old 07-06-2004, 11:13 PM
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Default Re:everytime turn on ac car idles up and down at stop

replace your radiator cap
and use a cooler thermostat. I had this problem as well. It is just low coolant.
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Old 10-05-2004, 04:10 PM
  #16  
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Default Re:everytime turn on ac car idles up and down at stop

ok. i finally figure out the problem. the radiator isnt the problem b/c i changed a new all aluminum. ac clutch isnt either cause i dont see it sliping. i found that on a cooler day then this would not happen so i figure it is gettin too hot some how under the hood. so i put in some heat shields to cover the header and the intake and now it got better. still idle up and down but very lightly. big difference. hopefully this helps anyone else who ever had the same problem
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Old 10-05-2004, 07:11 PM
  #17  
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Default Re:everytime turn on ac car idles up and down at stop

Allright.....I have been through this problem and heres a short list of possibilities...

1: IACF valve is bad or clogged
2: A/C is slipping malfuntioning
3: MAP sensor is getting a bad reading or harness is hooked up wrong (IACF/MAP plugs in wrong place, I felt like a dumbass)

4: 95- also had a VAC line hooked to the bottom of the intake. If this is leaking or cracked it will cause exactly what your describing

This is just what I have fixed on other people's cars....happens so often in my area I think Honda designed it to happen.....good luck!!
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