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

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  #1  
Old 04-16-2012, 07:08 PM
Stellar Stellar is offline
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Default Re: Gas milage help!!!

Use spark plug anti foulers to remove the CEL.
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  #2  
Old 04-17-2012, 08:46 PM
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Default Re: Gas milage help!!!

Quote:
Originally Posted by Stellar
Use spark plug anti foulers to remove the CEL.
Doesn't always work though. I would get the rear O2 sensors programmed out of the ecu for a permanent solution.
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  #3  
Old 04-17-2012, 09:49 PM
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Default Re: Gas milage help!!!

Why not just put some high-flow cats in and call it a day?
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