is it timing or injectors

[90ididoorguy]

Okay so at 2300 rpm under no load my truck will lay some heavy blueish white smoke. Also if it sits for an hour and I start it back up it sounds like its missing a bit. After I drive it on the freeway it seems like it goes away. Do I have leaky injectors is my timing off. Is my ip on its way out?

 

[icanfixall]

You do have a problem but more information is required before I can tell you to start throwing parts at it. How many miles are on the injection pump or the injecters. When was the last time you had the engine timed and how was the timing done. there are many ways of timing these engines. The pulse timiing is the one we feel works the easiest and the best.

 

[90ididoorguy]

Timing was just done miles I think on both the ip and injectors have about 100k on them. I don't know how the timing was done I had it done at a reputable shop in town.

 

[Hydro-idi]

Sounds like retarded timing, and/or leaking injectors, and/or worn IP. These parts are good for 100k so it may be time to refresh your injection system. A "miss" is an indication of one or more injectors not working properly.

 

[riotwarrior]

Timing was just done miles I think on both the ip and injectors have about 100k on them. I don't know how the timing was done I had it done at a reputable shop in town.

Best be inquiring as to how you had that timed and what you paid for cause if it was by ear, I'd say ask for a refund cause mechanics ear is not timing. Pulse or Luminosity is timing...but no ear.



JM2CW

 

[90ididoorguy]

I was already planning on ordering some bb injectors from Mel can't afford an ip to hoping the ip can hold out for another couple months

 

[90ididoorguy]

I'm going to look at it this weekend I'm planning on starting it and crack the injection lines one by one to see if there is a difference in how it runs.

 

[Hydro-idi]

Sounds more like an injector issue but this is my opinion. Also, new injectors will strain an old IP too. A worn IP will struggle to keep up with the new high pop pressure injectors.

 

[90ididoorguy]

Okay I'm hoping I can get away with new injectors for a while

 

[Black dawg]

Timing is retarded. Did it do this right after they timed it?

 

[90ididoorguy]

Yep

 

[FORDF250HDXLT]

blueish color smoke means she's burning some oil.
general rule of thumb; oil rings = blue smoke constantly/under load.valve job required = smokes mostly at start up but clears up once warm like your describing.might be time to freshen up her heads.

 

[Black dawg]

for now, just move the pump up a "dimes thickness" till you can get somebody to put a meter on it. The timing is probably at 2deg or less right now

 

[90ididoorguy]

Blue is when it under no load and warm not the other way around I think I agree its either injectors or timing

 

[icanfixall]

If you are able to move the pump timing yourself make a center punch mark in the pump to mounting housing first. then when you advance the pump timing and feel its not right you can match up the two half circles again. thats the easy way to know where your timing was before you changed it.