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Old Sep 24, 2012 | 09:44 PM
  #11  
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the filters are letting in unmetered air thats not measured by the maf.
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Old Sep 24, 2012 | 10:11 PM
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It can be filtered on the passenger side, but not the driver side correct?
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Old Sep 25, 2012 | 04:51 AM
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Originally Posted by black04
the filters are letting in unmetered air thats not measured by the maf.
What do you recommend.
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Old Sep 25, 2012 | 05:33 AM
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Filters on the valve covers does not mean its letting in unmetered air, are you pulling any vacuum on the crankcase at all? Make sure you don't have any open vacuum ports on the intake.
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Old Sep 25, 2012 | 09:03 AM
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Originally Posted by blue0453
What do you recommend.
I'm not sure same issue i ran into when i had a maf tune. Has it been doing it since you put the turbo on?
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Old Sep 25, 2012 | 11:24 AM
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Originally Posted by black04
I'm not sure same issue i ran into when i had a maf tune. Has it been doing it since you put the turbo on?
Probally. I know for a fact since I changed injectors about a year ago. I wanna ditch the maf and go SD.
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Old Sep 25, 2012 | 11:27 AM
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Originally Posted by 03sierraslt
Filters on the valve covers does not mean its letting in unmetered air, are you pulling any vacuum on the crankcase at all? Make sure you don't have any open vacuum ports on the intake.
How do I know if its pulling vacuum on the crankcase. The truck idles at around -17 if that's what you mean.
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Old Sep 25, 2012 | 01:02 PM
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Do you have any vacuum lines running from anywhere on the intake to anywhere on the motor as in to valve cover, valley cover etc?
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Old Sep 25, 2012 | 02:43 PM
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Have you tested your fuel pressure to make sure the pump isn't weak?
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Old Sep 25, 2012 | 03:07 PM
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Originally Posted by AKlowriderZ71
Have you tested your fuel pressure to make sure the pump isn't weak?
Good point, this too.
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