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  #1  
Old 10-21-2013, 04:58 PM
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No injector buzz when cold

I have been noticing in the morning when ambient temp is around 38-40 I have no injector buzz and around 45 I get a weak buzz. The truck starts up just fine and miss or low power. Once it warms up injectors buzz loud. What could couse no buzz when cold?
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  #2  
Old 10-22-2013, 02:34 AM
RollinEarly05...now


 

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Sounds like the start of a stiction issue... I'd give Archoil or Rev X a try. Also, what is your FICM volts at KOEO and running?
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  #3  
Old 10-22-2013, 02:47 AM
Almostdunfukinwidit


 

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Which strategy are you running?

Sent from AutoGuide.com Free App
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  #4  
Old 10-22-2013, 03:11 AM
RollinEarly05...now


 

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Does strategy affect the buzz cold compared to warm?
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  #5  
Old 10-22-2013, 04:06 AM
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I will try rev x. I will also check ficm voltage today. I have always changed my oil around every 2k just to prevent stiction issues. Anyways thanks.
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  #6  
Old 10-22-2013, 04:29 AM
Almostdunfukinwidit


 

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Quote:
Originally Posted by RollinEarly99 View Post
Does strategy affect the buzz cold compared to warm?
Sure does .
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  #7  
Old 10-22-2013, 06:42 AM
RollinEarly05...now


 

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Interesting... Do you know what strategy causes this? And why?
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  #8  
Old 10-22-2013, 02:12 PM
Almostdunfukinwidit


 

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Vxcf4 vxcf7 and vxcf9 all buzz differently
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  #9  
Old 10-22-2013, 06:39 PM
RollinEarly05...now


 

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Thanks Dave!
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