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Engine noisy after spark plugs replacement

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reefy:
Hi guys,
 Need your advise. I did my replacement to the spark plugs after 100k. After the replacement, there is a "lao hong" sound when i accelerate. I suspected that they did not tighten up certain screw when they connect back the air manifold. But they told me this sound is normal as the air manifold is make of plastic.  :crycry:

Anyone experience this sound before? If so, how u overcome it? Pls help.  :confused1:

kelvin:
where did u renewed ur spark plugs :confused1:

Enzoni:

--- Quote from: reefy on December 01, 2011, 05:43:58 PM ---Hi guys,
 Need your advise. I did my replacement to the spark plugs after 100k. After the replacement, there is a "lao hong" sound when i accelerate. I suspected that they did not tighten up certain screw when they connect back the air manifold. But they told me this sound is normal as the air manifold is make of plastic.  :crycry:

Anyone experience this sound before? If so, how u overcome it? Pls help.  :confused1:

--- End quote ---

U mean the manifold is made of plastic after changing spark plug, before change spark plug no 'lao hong' sound so manifold is not made of plastic?

cant believe u actually take this type of crap excuse..

kelvin:
need some time to troubleshoot.

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