02 5.4

[lil_dq]

Hey all will an plugged injector throw a misfire code, or is it only coils and plugs?

I have replaced coils and plugs, but the engine sat for a couple of years with gas in it. I am going to swap them out with another set of injectors I have here at the house, but wanted to check if that made sense.

Also my truck sat for a while, but with little gas in the tank. I have since put in new gas, but no change on the way home tonight.

 

[d-kuzmen]

Bad injectors will give a misfire code as well as plugs and coils.

 

[blacksnapon]

essentially, the codes show a lack of contribution on that cylinder.

 

[lil_dq]

hmmm. I wonder then...