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Discussion Starter · #1 ·
Hi guys started her up today and it sounds a lot louder than usual after getting my spark plugs changed the other day. Any ideas? Got a video I'll try upload on here...
 

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Hi guys started her up today and it sounds a lot louder than usual after getting my spark plugs changed the other day. Any ideas? Got a video I'll try upload on here...
MK4 or 5?
What plugs did you use? OEM?

Mj
 

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It's more than likely nothing to do with the spark plug change, just coincidence.

Under certain conditions on start up the Secondary Air Injection (SAI) pump runs for a short period of time and while it's operating the noise level is louder than normal.

It could also be the radiator fans running on high speed due to a fault. Very common issue on the MK4 and not unknown on the MK5.
 

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Discussion Starter · #4 ·
Thanks for the comments lads. Jusy done a bit more investigating and I reckon I've got a leak on my flexis on my exhaust somewhere. Problem is I can't Jack it up high enough to find it... Booked in at the garage tomorrow
 

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Thanks for the comments lads. Jusy done a bit more investigating and I reckon I've got a leak on my flexis on my exhaust somewhere. Problem is I can't Jack it up high enough to find it... Booked in at the garage tomorrow
Are you Jack Flanagan?

Mj
 
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