O2s & fuel prsi.
Is your check engine light on? If so, read the codes. If your O2s are bad then you will get a trouble code from your O2s. How come you set the fuel psi. at 50? The stock setting is between 39-42psi. As far as the fuel injectors go, I don't know how you can check them yourself. You can take them somewhere to get cleaned, but I've heard the price for a cleaning is close to the price of brand new injectors, so I don't know if I'd suggest that. When is the last time you changed your fuel filter? Might want to try that.
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