2005 Suzuki Boulevard C50 running terrible. It won’t idle without a little bit of throttle, backfiring, sputtering and lack of power. I have replaced plugs, fresh gas, cleaned injectors to the best of my ability and checked fuel pressure (45 psi). I am baffled. Please help me. After market cobra pipes.

 

Did you get a fix for this?

Mine has been in the shop for a week and they just told me a fuel pump assembly is needed ($800!) I am hoping it is the fix. (Currenlty it has 21 PSI the new one should have 43)

Mine waas also showing signs of running rich in the front cycliner. So I am not sure how not enough fuel pressure is a fix but as long as it fixes it....

 

I did find the problem. Blocked front injector. The psi on the fuel pump should be around 45 psi. I would think that is your problem. You can get just the pump for a lot less than $800. If you only replace the pump portion. Hope this helps

 

Did you buy OEM ones? or the kind you find on Amazon/Ebay? Link to specific seller? They seem to have very mixed reviews.