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Topic summary

Posted by rawv
 - September 15, 2012, 08:15:12 AM

I had the same problem the plugs were black  all I did was get a  one up hotter plug and that fixed it the plugs now look perfect.

Posted by chief
 - September 02, 2012, 15:22:38 PM

You changed the air box (intake)... do you still have the oem exhaust?

Usually, if you only modify the exhaust, or the intake the EFI will compensate adequately. However, when I changed out my exhaust I got decel popping and had to add an aftermarket add-on FI box (cobra 2000). You may need to do the same thing...
Posted by Mandom
 - September 01, 2012, 01:29:16 AM

Hey guys I have a Vulcan 1500cc 2004 FI

It's eating spark plugs ? I have modified intake with vacuum cable for throttle open!!

The plugs are black and very high fuel consumption smell fuel from exhaust but it runs great!!

Any ides?

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