2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

CAN a rich idle cause some smoking?

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Old Oct 8, 2006 | 01:56 PM
  #1  
junito1's Avatar
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CAN a rich idle cause some smoking?

After warming up the car will smoke a little, but i realized while i was standing there watching the car start to smoke a little, i realized my eyes were BURNING!!

The smoke is not enought to to go flowing across the street but kinda vaporizes.

I also tried this trick my firned taught me.( i put a lighter right under the tip of the exhaust so it wouldnt get blown out--- and i soon and i flicked the lighter the flame actually goes into the exhaust can about 2 inches instead of blowing out.)

so im pretty sure im too rich at idle. the smoke is greyish

i just recently put a stage 3 hybrid on it. could a bigger turbo cause a rich mixture?

the turbo is the only thing i have done.. since it started smoking a little.
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Old Oct 8, 2006 | 03:01 PM
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ok. now im pissed. its runing rich but also-- when i free rev it to 7k on the down rev it smokes nasty. i got a feeling my hybrid is donefor, and needs a rebuild. CRAPPPP!!!
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Old Oct 8, 2006 | 03:03 PM
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Yeah sounds like a major rich condition at idle, that'll cause fuel smoke. Same as when you go WOT running pig rich, you'll see fuel smoke. You got bigger injectors or a chip/custom cal/etc?
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Old Oct 8, 2006 | 03:33 PM
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Rich = black smoke..
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Old Oct 8, 2006 | 06:19 PM
  #5  
junito1's Avatar
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From: Florida
Basicly im trying to figure out if my turbo is good or bad at this moment.

need to know if the smoke is from a) a bad turbo seal or b) too rich from just installing a hybrid turbo.

Oh and i have not gone WOT since i have a bigger turbo with no boost controller nor and added fuel upgrades- yet

I was saying i reved it to 7 k. free reving. and on down rev it smoked pretty darn bad.

Last edited by junito1; Oct 8, 2006 at 06:22 PM.
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