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I don't think you are stumping anyone - just this topic has been discussed many times before. Search on "hard starting 2000".

Most likely it is the EGR valve and needs the ports cleaned out as per the TSB 05-026.

Those P030X codes are misfire codes.

When were the spark plugs changed? What brand?
 

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Actually, if you think that the spark plugs are the original, then I would recommend checking their state first. Use only OEM NGK Platinum plugs. The misfire codes indicate a problem with the plugs, coils or connections. The EGR issue should come second to checking this out.
 
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