Spark Plugs problem... - SEAT Cupra.net

sharkemir · 27-09-2007, 15:46

hello ,
i have 1998 audi a3 1.8T (AGU engine code).i applied gt28rs turbo kit.everything works fines until i was trying my car. i was using NGK PFR6Qs.but its alwyas misfire and yesterday the car didnt run.i took out the plugs and they were like coal.i changed them again with pfr6q s.and they done the samething.so what spark plug do you use for BT upgrades ? which one is best for me ? what should i use ? any comments or suggestion ?

thank you

**DPJ** · 27-09-2007, 15:52

Quote:

Originally Posted by sharkemir

hello ,
i have 1998 audi a3 1.8T (AGU engine code).i applied gt28rs turbo kit.everything works fines until i was trying my car. i was using NGK PFR6Qs.but its alwyas misfire and yesterday the car didnt run.i took out the plugs and they were like coal.i changed them again with pfr6q s.and they done the samething.so what spark plug do you use for BT upgrades ? which one is best for me ? what should i use ? any comments or suggestion ?

thank you

What mapping are you running?
I use Denso Iridium IK22

sharkemir · 27-09-2007, 15:55

i'm using a custom mapping which is done by Wimmer-rst from Germany.

phil_m · 27-09-2007, 17:32

I have the same problem with my AGU, if i use Iridium or PFR6Q plugs, But if i use the standard plug BKUR6ET-10 its fine, and they have never let me down.

Phil

sharkemir · 27-09-2007, 18:36

so you run with stock spark plugs ?
i thought the stock plugs are NGK PFR6Q

phil_m · 27-09-2007, 19:28

Quote:

Originally Posted by sharkemir

so you run with stock spark plugs ?
i thought the stock plugs are NGK PFR6Q

Not for AGU only BAM and AUM.

myk3 · 28-09-2007, 11:19

use BKR7E NGK copper plugs gapped to around 0.28

change every 5k miles with oil change

HTC · 28-09-2007, 11:19

Perhaps try a range colder on the plug or tighten the gap on them. Or do both.

myk3 · 28-09-2007, 11:26

Quote:

Originally Posted by HTC

Perhaps try a range colder on the plug or tighten the gap on them. Or do both.

BKR7E NGK is 1 step colder than stock

sharkemir · 28-09-2007, 18:29

alright, let me try BKR7E.actually i don't know the advantage of 1 step colder sparkplug.what is the advantage of this ?

thank you

Ibiza sport man · 29-09-2007, 10:19

Quote:

Originally Posted by sharkemir

i'm using a custom mapping which is done by Wimmer-rst from Germany.

Sounds like the mapping is wrong and you are running way too rich at some point in the rev range.

Bernard

sharkemir · 29-09-2007, 17:03

Quote:

Originally Posted by Ibiza sport man

Sounds like the mapping is wrong and you are running way too rich at some point in the rev range.

Bernard

or maybe there is a leak i guess ? is it posibble ?

27-09-2007, 15:46	#1
sharkemir Full Member Join Date: Jan 2007 Posts: 15	Spark Plugs problem... hello , i have 1998 audi a3 1.8T (AGU engine code).i applied gt28rs turbo kit.everything works fines until i was trying my car. i was using NGK PFR6Qs.but its alwyas misfire and yesterday the car didnt run.i took out the plugs and they were like coal.i changed them again with pfr6q s.and they done the samething.so what spark plug do you use for BT upgrades ? which one is best for me ? what should i use ? any comments or suggestion ? thank you

27-09-2007, 17:32	#4
phil_m Full Member Join Date: Nov 2005 Location: Suffolk Posts: 142	I have the same problem with my AGU, if i use Iridium or PFR6Q plugs, But if i use the standard plug BKUR6ET-10 its fine, and they have never let me down. Phil __________________ GOLF 1.9 TD05H 18G Last edited by phil_m; 27-09-2007 at 17:36.

28-09-2007, 11:19	#7
myk3 Newbie Join Date: Dec 2005 Posts: 304	use BKR7E NGK copper plugs gapped to around 0.28 change every 5k miles with oil change __________________ Milltek turbo back IT Support London

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27-09-2007, 15:55	#3
sharkemir Full Member Join Date: Jan 2007 Posts: 15	i'm using a custom mapping which is done by Wimmer-rst from Germany.

27-09-2007, 18:36	#5
sharkemir Full Member Join Date: Jan 2007 Posts: 15	so you run with stock spark plugs ? i thought the stock plugs are NGK PFR6Q

28-09-2007, 11:19	#8
HTC ... Join Date: Sep 2004 Posts: 436	Perhaps try a range colder on the plug or tighten the gap on them. Or do both.

28-09-2007, 18:29	#10
sharkemir Full Member Join Date: Jan 2007 Posts: 15	alright, let me try BKR7E.actually i don't know the advantage of 1 step colder sparkplug.what is the advantage of this ? thank you

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