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International Automotive Technicians Network
Re: Smog Check EGR Inspections
Posted to Emissions Forum on 5/22/2001

[...trimmed text...]

Easy.

Whip out your scan tool, and compare ACTUAL EGR(%) to DESIRED EGR(%). They should always match like this

If the EGR is stuck open, the data will look like this

HTH,

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