Rough idle

[lourdalfe]

Ok so looks like lots of rough idle posts but nothing to help me so I'll ask again I have a 08 4.0 that no matter what I do it still run rough at idle so things I've replaced egr,air idle motor,coil,full tune up ,throttle body ,mass,fuel pump I've done compression test and it's 189 across the board I've did smoke test and can't find any leaks oh and intake gaskets I'm sure I'm forgetting something oh and no codes any ideas would be great I even bore scoped it and engine has cross hatches

 

[Flashflood]

Ok so looks like lots of rough idle posts but nothing to help me so I'll ask again I have a 08 4.0 that no matter what I do it still run rough at idle so things I've replaced egr,air idle motor,coil,full tune up ,throttle body ,mass,fuel pump I've done compression test and it's 189 across the board I've did smoke test and can't find any leaks oh and intake gaskets I'm sure I'm forgetting something oh and no codes any ideas would be great I even bore scoped it and engine has cross hatches

Idk if 08s have serviceable injectors but it sounds like what my 2000 sohc was doing when injector 1 was bad

 

[lourdalfe]

Idk if 08s have serviceable injectors but it sounds like what my 2000 sohc was doing when injector 1 was bad

Yeah when I bought it it did have a bad injector so I put remans in it all 6

 

[Flashflood]

Yeah when I bought it it did have a bad injector so I put remans in it all 6

Dang sorry to hear that man