Lb7 still smoking

[laser45v]

Hey guys I just replaced my drivers side injectors due to bad rates on #6. Going to do passenger side soon but rates seemed within range. What could this smoke be at idle? Still injectors. Head gaskets are not the issue either. https://www.youtube.com/watch?v=FqzyC05LvvQ&feature=youtube_gdata_player

 

[Slowmax]

Where did you get injectors' from?

 

[DBUSHLB7]

Have you checked compression?

 

[MACKIN]

What was and what are the passenger side balance rates?

 

[laser45v]

Haven't checked compression. It only smokes at idle and clears out when I pull out. Haven't gotten to recheck passenger side. How do I put a picture up on here?

 

[laser45v]

 

[laser45v]

That was before I did drivers side

 

[Dmax87]

Need to see them after the replacement. Like already said where are the injectors from, I've gotten away changing individual injectors but they are always Bosch oem. It has also happened to where an opposing cylinder has given a bad balance rate to another cylinder.

 

[laser45v]

I replaced 2468 with Bosch OEM for now until next paycheck.

 

[chevyburnout1]

Balancing rates wont determine a smoking issue unless it's very drastic. They're only a starting point. Smoking at an idle is usually from the injectors leaking when not commanded on. How I used to diagnose a smoking issue was to get the engine up to temp, pull glow plugs, disable the EDU, then crank the engine over and observe fuel spraying out of the cylinder.

However I stopped doing that as I would replace only the smoking injectors and the truck would be back in a month later for the other injectors failing.

 

[laser45v]

Does that video look like injector smoke though?

 

[MACKIN]

How can you really say? It probably is but again re do or re check your balance rates is the place to start.

 

[Dmax87]

To the op, have you tried cutting out injectors to see if the smoke goes away? I've had good luck this way if a balance rate is questionable.

 

[laser45v]

How do you go about cutting injectors out? I checked the balance rates again here they are.

 

[laser45v]

 

[OregonDMAX]

Well cylinder 3 and 6 are horrid and 5 is a smidge high

 

[dirtydmax]

6 doesn't look so good either

 

[Yngdmax92]

and he said he replaced 2468? where did you buy your injectors from?

 

[laser45v]

A gm dealership. I bought Bosch replacements 210 a piece

 

[OregonDMAX]

6 doesn't look so good either

I fat fingered that i meant to say 6 and not 7 haha