A4 (B5 Platform) Discussion Discussion forum for the B5 Audi A4 produced from 1995-2001 B5 FAQ

spark plugs

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Old 08-28-2004, 04:02 PM
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Default spark plugs

I got the cheapest spark plugs for my car today. When i installed them the idle started to bounce up a down a little bit. I didn't notice if the idle was already like that before i changed the plugs. Would cheap plugs make that much of a difference?
Old 08-28-2004, 04:11 PM
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Default spend the extra cash

yes it would. happen to me with cheap plugs from pep boys..
Old 08-28-2004, 04:14 PM
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does your plugs came gapped??
Old 08-28-2004, 04:15 PM
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Default Cheap plugs come gapped at .040

you need to close the gap to .028-.034
Old 08-28-2004, 04:29 PM
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Default i am in the process of changing my plugs as well...

i have some NGK BKR6E and i am running stock program for now, and APR in two weeks.

wonder how should i gap the plugs to??
Old 08-28-2004, 06:02 PM
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Default I would start at .032

Thats about where I gap my plugs and those that ask me to gap theirs too.
Old 08-29-2004, 01:44 PM
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Default hey, do report on how your car is when you get the APR program and when you install the NGKs...

I recently put in NGKs (and i have the apr ecms) and gapped them at 0.032 but i have some pinging at idle due to pre detonation. please report if things are good when you install them.

alen
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