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lope-- rich at idle

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Old Jun 8, 2016 | 03:29 PM
  #1  
bdads's Avatar
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lope-- rich at idle

377 sbc stroker engine with a rather large roller cam in an 89 firebird,,

been trying different $6E bins like auyn ect.
changed the values for 30lb bosch injectors,,,
changed idle speed to 800 rpm ,,,
and lowered maf scaler1 ,,
but cannot seem to get this to run close to nomal at idle...

it runs rich --- can watch the wideband slowly work its way from 12.8 all the way to 22.0 and stall the engine ,,,

scanner shows 108 ,,, exhaust rich almost the whole time -- integrator at 75 ish --- where should i start ,,,, or area to go next ....????

thanx
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Old Jun 9, 2016 | 08:29 AM
  #2  
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From: Chasing Electrons
Car: check
Engine: check
Transmission: check
Re: lope-- rich at idle

Originally Posted by bdads
377 sbc stroker engine with a rather large roller cam in an 89 firebird,,

but cannot seem to get this to run close to nomal at idle...

thanx
Best bet is to run open loop idle. Problem though is I'm not sure that can be done only at idle with the $6E code.

RBob.
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Old Jun 10, 2016 | 09:37 AM
  #3  
ULTM8Z's Avatar
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Re: lope-- rich at idle

If you're running Bosch III injectors, see my current other thread on those things...

https://www.thirdgen.org/forums/diy-prom/730802-bosch-iii-injectors-not.html
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Old Jun 11, 2016 | 03:26 PM
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Re: lope-- rich at idle

yupp,,, been thru those posts too... still adjusting and trying... much thanx,,,
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