fouled spark plugs in 10,000 miles? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 07-23-2004, 01:51 PM   #1
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Default fouled spark plugs in 10,000 miles?

I think I have fouled my spark plugs already! They were the AC Delco rapid fire plugs. I think it might have happened when I ran throttle body cleaner in the throttle body, and sea foam through the vacuum system. still, is this possible to foul them that soon? Just asking because my gas mileage has gone from 28/29 to only 24/25 with no change in my driving habits. Just trying to get the best mileage possible and hoping it'* just something as simple, and as cheap as spark plugs. The 02 sensor is less than a year old, so I'm hoping that'* not it..
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Old 07-23-2004, 01:55 PM   #2
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Which model spark plugs do you have exactly? It is possible they're fouled, or offer degraded performance, if they're copper plugs.

If your car has no mods then you would be best off with Iridium plugs.

Cheers,
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Old 07-23-2004, 02:46 PM   #3
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Can you post pics of them?
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Old 07-23-2004, 04:24 PM   #4
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Default cleaner

what kind of throttle body cleaner?
Is it intake and gasket safe?
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Old 07-23-2004, 04:32 PM   #5
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Default Re: cleaner

Quote:
Originally Posted by SSEBONNE4EVA
what kind of throttle body cleaner?
Is it intake and gasket safe?
says right on the bottle safe for throttle body/sensors. I'll probably just get some new plugs. maybe some AC Delco platinums. Don't know yet.
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