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Go Back   Hummer Forums by Elcova > Hummer H2 Discussion Forums > General H2 Discussion

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  #21  
Old 11-11-2008, 07:03 PM
H2 Bill H2 Bill is offline
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Default Re: Fuel Filters? Loss of power...supercharger

BTW, if you try going back to premium fuel with an injector cleaner it may take a couple of tanks to notice a difference.
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  #22  
Old 11-11-2008, 11:32 PM
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johndjmix1 johndjmix1 is offline
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Default Re: Fuel Filters? Loss of power...supercharger

So lets say I do have a clogged injector....how do i find which one? Ill pull the tank (not looking forward to that) and replace the filter next week.

--John
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  #23  
Old 11-13-2008, 03:37 AM
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Default Re: Fuel Filters? Loss of power...supercharger

I might be wrong but wouldn't your check engine light come on if you were running lean? a code like Sys too Lean (bank 1 or 2)?
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