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Old 05-03-2005, 08:16 PM   #1
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Please help with my CEL

Can someone please help me with these codes
CEL has come on my car, and these are the codes I got.

The symptoms are rough idling.
P1128
P1130

Thanks for the help.

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Old 05-04-2005, 09:56 AM   #2
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You're going to have to get it to a dealership or a Porsche repair shop that has a PST2 tool... it may be an oxygen sensor or a mass air fuel sensor going out.

How's your fuel economy? If the box is sucking down the fuel faster than normal, it may well be a sensor. Get it looked at asap.
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Old 05-04-2005, 02:39 PM   #3
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Both of those codes are from your O2 sensors on your exhaust. The front two right off of the first set of CATs and near the headers. I had the same problem for a little while, but I have a VERY modified exhaust. if you are still on your stock exhaust system then I would suggest replacing both of those O2 sensors and have the codes cleared from memory and you should be ok.
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Old 05-04-2005, 04:12 PM   #4
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doesn't he need to replace all four? That's what I was told by my mechanic.
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Old 05-05-2005, 04:22 AM   #5
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Not in my experience. I only had to replace the two fronts since I beleive 1128 is the one on the left and 1130 is the one on the right. After I replaced the front two(very easy to replace yourself when lifted a good foot or two, cheaper too) and cleared the stored and pending codes they have not returned in my case.
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Old 05-09-2005, 06:22 PM   #6
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Quote:
Originally Posted by jfmillr
Not in my experience. I only had to replace the two fronts since I beleive 1128 is the one on the left and 1130 is the one on the right. After I replaced the front two(very easy to replace yourself when lifted a good foot or two, cheaper too) and cleared the stored and pending codes they have not returned in my case.
First I love the look of the car. Iwill try that when I get home in two weeks after Ireturn from a bussiness trip. Then I will post pics of my car. You will like. One more question I have the fabspped muffler but am looking for headers what do you suggest?
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Old 05-11-2005, 02:09 PM   #7
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Does anyone know the part # for the front two o2 sensors?

This will be for a 2000 Boxster S. Thanks

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