How can u tell when spark plugs are bad?
04-26-2003 | 06:23 AM
#1
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Joined: Oct 2002
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From: OC, CA
How can u tell when spark plugs are bad?
How can u tell when spark plugs are bad?
I've changed em like 10k miles ago.
Im having rough idle and ride recently...should be the spark plugs problem?
I've changed em like 10k miles ago.
Im having rough idle and ride recently...should be the spark plugs problem?
04-26-2003 | 06:49 AM
#2
Joined: Oct 2000
Posts: 9,210
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From: WA
Bad plugs will reduce performance and may cause idle or other rough running, but platinum or iridium plugs should be like new for well over 30K miles.. the factory plugs not scheduled for a change until over 100K. Even copper plugs will be fine for well over 10K, so unless a plug has loosened it is likely another problem.
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