Spark plugs changed first time 185K miles
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Joined: Jul 2012
Posts: 8,907
From: C-Town
Senior Member
Joined: Jul 2007
Posts: 831
From: Pacific NW
No issues. Those used plugs look completely NORMAL. Rough, but normal. Note #2 burned electrode and gap.
Since gaps are out, you should notice smoother running with the new set. Also, gap them, do not trust the out-of-the-box gap.
Since gaps are out, you should notice smoother running with the new set. Also, gap them, do not trust the out-of-the-box gap.
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Joined: Jul 2021
Posts: 272
Didn't have any issues prior to changing the plugs, but WOW after they were changed. Idle was a little lower quieter. Everything so much smoother. It really fires up now. Funny, all the pedal pressure has changed. Good call on measuring. Ill do that on my next H2. New exhaust comes in a few weeks. This vehicle gets getting better each month.
Senior Member
Joined: Jul 2012
Posts: 8,907
From: C-Town
Didn't have any issues prior to changing the plugs, but WOW after they were changed. Idle was a little lower quieter. Everything so much smoother. It really fires up now. Funny, all the pedal pressure has changed. Good call on measuring. Ill do that on my next H2. New exhaust comes in a few weeks. This vehicle gets getting better each month.
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h3carlos
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Nov 15, 2007 01:00 PM