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EMISSION CODE....year 99 & 2000 models were famous for this triggering check engine light! It is a system that will only "clear" if the "fault" is fixed. Usually an O2 sensor in the exhaust. Here's the kicker, the guy fixes what he thinks is wrong, "clears" all code faults and it looks good...right. WRONG! The Emission system takes about 2 hours of driving to reset itself, in fact you cannot pass a test at a smog place because it will say "Not all sensors ready". So...the guy cleared your code, but after your 50 miles or so, blink! the check light's back on because the system has reset and the problem still exists! 9 out of 10 times it is the emissions. Get your money back and find a shop that knows how to diagnose porsche emission codes! Cheers!
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