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Old 11-13-2013, 05:57 PM   #1
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Join Date: Jan 2011
Location: va
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2000 Boxster has rough idle and these codes

Hi everyone, I'm experiencing a rough idle on my boxster. I hooked up the Durametric and I have the following codes:

P code 174

P code 62

P code 65 cyl 3 misfire

P code 63 cyl 1 misfire

P code 64 cyl 2 misfire.

I had a misfire on a single cylinder a year or more ago and it was a hairline crack in a coil-pack. Any ideas what would cause 3 cyl. to miss all at once?

I only replaced the 2 worse coil-packs last time. But its been running great until recently. I replaced the CPS which cured my hot-starting issues. The roughness seems to smooth out with increased rpm's although Its probably just less noticeable.

Any input greatly appreciated.



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Old 11-14-2013, 12:12 AM   #2
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Location: UK
Posts: 132
I'm no expert but I had misfire on 4,
and it was my AOS that had failed
2001 Boxster S
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Old 11-15-2013, 08:42 AM   #3
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Hmm. I replaced my AOS about 2 years ago, but I'll check hoses to and from.

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