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Old 11-09-2009, 03:34 PM   #1
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ECU Testing frequency

Hi there,

I have a 2001 Boxster w/ 82K miles. I had a P0430 code (cats). Ignored for a week or so but then I had problems with the MAF so I had to change it along with the spark plugs, air filter, etc and reset the code.
Since then, I drove the car 250 miles or so... and still no CEL!:-)))

My question is: How often does the ECU retests the engine? I would assume that it is an ongoing process and if truly I had a cat converter problem, the CEL should have been back by now, right? Am I off? Or is it simply a matter of time?

Thanks

Bob
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Old 11-09-2009, 03:48 PM   #2
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It would have thrown a code in the first few minutes if an issue was still present.
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Last edited by Paul; 11-11-2009 at 03:25 PM.
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Old 11-11-2009, 10:12 AM   #3
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Thanks for the reply Paul. That is really good news given the cost of a new cat converter.

I appreciate the reply.

Bob
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