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Author Topic: Spark Plug issues  (Read 24250 times)

Offline djhorace

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Spark Plug issues
« on: February 04, 2011, 10:41:27 pm »
There are several cars I know of now that seem to be having or have had issues with spark plugs, specifically NGK plugs. These are now standard fit on2.0TFSi engines (CDL code) on the S3/Leon Cupra/Cupra R.
     
My car with only a few thousand misifres and runs terribly and a lad on here with a Leon Cupra with a BWJ engine is using the same newer style plugs and he has reported problems too. Another lad I know has a CDL code 2010 S3 and it could not get past 60mph until the NGK's were swapped out for Bosch's.

I have new VAG Bosch plugs to go in mine, and I know that the other two cars run much better now with the Bosch plugs than the NGK plugs. On my last car, I never had any issues with plugs at all and would have skipped a thread like this, but as I understand it, there issues on Ed30's with plugs too.

Interested to have thoughts and experiences on this.
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Offline vRS Carl

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Re: Spark Plug issues
« Reply #1 on: February 04, 2011, 10:47:09 pm »
I had some NGK plugs go recently. Although they had been in for 14k miles.

The OEM ones seem to be better but i have replaced with new NGK ones. Will see how they get on. I have a set of Brand New OEM ones just incase :happy2:
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Offline djhorace

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Re: Spark Plug issues
« Reply #2 on: February 04, 2011, 10:50:18 pm »
When you say they went on you, what exactly do you mean?
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Offline vRS Carl

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Re: Spark Plug issues
« Reply #3 on: February 04, 2011, 11:00:33 pm »
I had really bad misfires (no fault codes logged though) when accelerating.

Changed the plugs and the issue was cured :happy2:
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Offline djhorace

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Re: Spark Plug issues
« Reply #4 on: February 04, 2011, 11:05:46 pm »
Interesting. Exactly as mine is doing although I am getting some logged misfires.
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Offline micky 32

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Re: Spark Plug issues
« Reply #5 on: February 05, 2011, 12:00:56 am »
I had Bosch super's in mine and only lasted 8k. The NGK iridiums seem to last well in my car.
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Offline damoegan

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Re: Spark Plug issues
« Reply #6 on: February 05, 2011, 12:09:44 am »
Al, do you know what model NGK plugs you have in?

I've just fitted a set of NGK BKR7EIX..
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Offline djhorace

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Re: Spark Plug issues
« Reply #7 on: February 05, 2011, 12:13:21 am »
I had them out on Sat and never took notice. Will see them when they come out again though, but thats gonna be after the next trip unfortunately.
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Offline vRS Carl

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Re: Spark Plug issues
« Reply #8 on: February 05, 2011, 12:16:32 am »
Quote from: djhorace on February 04, 2011, 11:05:46 pm
Interesting. Exactly as mine is doing although I am getting some logged misfires.

I only knew it was misfiring (apart from feeling it) by doing data logging and seeing them happen. The problem is they don't stay stored unless you get to about 25 on one cylinder in a short space of time. Then it logs a fault. I was getting between 10-12 on diff cylinders but the counter would go back to 0 after a bit if I took it easy. Would only do it when accelerating not idling.
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Offline djhorace

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Re: Spark Plug issues
« Reply #9 on: February 05, 2011, 12:29:03 am »
My car is in the same boat. Only see temp misfires when logging but they are never stored.
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Offline Scotsman

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Re: Spark Plug issues
« Reply #10 on: February 05, 2011, 07:14:57 am »
Quote from: vRS Carl on February 04, 2011, 11:00:33 pm
I had really bad misfires (no fault codes logged though) when accelerating.

Changed the plugs and the issue was cured :happy2:

Same here, spark plug changed cured it - though unfortunately charged the coil-packs first  :rolleye:
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Offline bart

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Re: Spark Plug issues
« Reply #11 on: February 05, 2011, 12:52:11 pm »
does any1 have the part numbers for the oem 1s for an ed 30
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Offline damoegan

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Re: Spark Plug issues
« Reply #12 on: February 05, 2011, 01:04:05 pm »
NGK BKR7EIX
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Offline vRS Carl

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Re: Spark Plug issues
« Reply #13 on: February 05, 2011, 01:15:37 pm »
OEM Plugs for all 2.0 TFSi engines is - 101 905 631 H - Bosch Longlife Plugs :happy2:
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Offline laurent.d

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Re: Spark Plug issues
« Reply #14 on: February 05, 2011, 01:52:21 pm »
It seems that you have issue with double platinum NGK plugs, but it worry me because I have just bought a set of NGK BKR8EIX. :scared:

JKM Tuning provide NGK BKR7EIX and BKR8EIX, so I guess it is fine.

Does any body had them fitted on their car and can give a feedback?
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