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CEL on after plug/coil change


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After I changed both the plugs and coils (all updated and OEM part #'s) I started the car and it was idling rough and the CEL came on. I went back and checked all plugs and noticed the #1 cyl wasnt "snapped" all the way. I went back and made sure the plugs where all"clicked" into the coils. But the CEL is still on so......

I took it a step further and replaced 1 by one each coil to see if I had a bad new one, but that didnt help.

I dont have a Durametric to test thing out so i am open to suggestions.

Edited by 06Turbo
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Unless you reset the CEL with a tester it will take several "drive cycles" to clear after the problem is corrected. Give it a few days (as long as it is not flashing).

Loren,

Do you know what time frame Porsche was using the .03 PN Coils? I am trying to do some reconciling with when the dealer "replaced" mine at the 60K mark. I just replaced my plugs and PN .08 coils this weekend and things were looking pretty rough with what I pulled out. I changed the plugs and coils with only 40K on them.

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06 Turbo, what was the part # of the coils in your car? Mine is a early production '06 CTTS and I just changed my plugs (53K) and mine were all .05 part #'s. The pig runs great but someday I may need to upgrade to .08 or whatever the revision is by then.

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06 Turbo, what was the part # of the coils in your car? Mine is a early production '06 CTTS and I just changed my plugs (53K) and mine were all .05 part #'s. The pig runs great but someday I may need to upgrade to .08 or whatever the revision is by then.

I have an early production 06 S. My Ignition coils were "replaced" at the 60K mile mark two years ago when the car was owned by the original owner. I know the guy who owned the car before me and he always took the car in for service and maintenance at the scheduled intervals. He has all the stamps in the books and I called the dealership to verify records.

However, when I changed the coils and plugs this weekend the old coils had the .03 part number and the spark plugs look like **** for only having 40k miles on them. I’m thinking the dealer did not do **** to his car when they replaced the things at 60k. Because he should have at least the .05 part number in them.

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