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Discussion Starter · #1 ·
I have just under 20k on my 04 sv and recently it has started to backfire alot. It has always popped a little bit but never backfired. The thing sounds like a shotgun every once in a while while decelerating will the throttle just cracked open.

It has new plugs and just cleaned the air filter in it. what could be causing this? I have checked for exauhst leaks and vacume leaks but i still cant solve this one?
 

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165 Posts
Discussion Starter · #4 ·
the pair mod has not been done on this bike.... desnorkled, modified stock can and some other minor stuff that has been on the bike for 10k miles..

I am thinking it may be dirty injectors or stuck throttle bodies or something like that. It also has not been idleing as smooth as normal... I am going to try to check the tps again, and put some new plugs in.
 
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