Ford ranger 3.0 2002

[Fivepointohmike]

My ranger is misfiring on idle and doesn’t start right away . I got codes for cyl 6 misfire and bank 2 lean code
This is after I changed the injectors from brand new ones I got from autozone
The truck runs really good anything after idle
I unplugged every injector and they all shut the engine off or made it idle worse except cyl #6 it doesn’t make no change .

 

[Dirtman]

I would swap the #6 injector to another one and see if the misfire moves to that cylinder. If so, you've simply got a bad injector out of the box which is fairly common...

 

[Fivepointohmike]

I would swap the #6 injector to another one and see if the misfire moves to that cylinder. If so, you've simply got a bad injector out of the box which is fairly common...

I put one of the old ones back in #6 & no difference

 

[Dirtman]

Run the engine for a few minutes and pull the #6 spark plug. If its wet with fuel then the injector is working and it must be a spark issue. If it's dry then I would suspect you broke a wire or connector terminal while changing the injectors and move on to testing that you have 12v constant at the injector plug (ground is pulsed, positive is constant).

 

[bills4065]

You say the truck runs good anything after idle? My next step would be check, clean the throttle body for carbon deposit build up.