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International Automotive Technicians Network
Re: Determining the cause of excess fuel
Posted to Technical Discussion Forum on 11/15/2011

Hi Marlin,

[...trimmed text...]

This is the one at an idle right? I'm not a scope guru, but that looks like it is biased rich, although your 4 gas shows otherwise.

Hot idle:

HC- 155

O2- 1.44

CO- .02

CO2- 14.3... Login to read more.

Files Referenced:

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