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EGR question

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Old 07-05-2009, 05:52 PM
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Default EGR question
When does it come on? Duration etc? Also will a smog check know if its turned off in my tune? Reason I ask is im due for a smog check and I put all the crap back on, but the egr /air are tuned off.
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Old 07-05-2009, 06:00 PM
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A sniffer might detect high NOx with the EGR missing, especially
if you didn't zero the EGR spark advance adder table.
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