Quote Originally Posted by AnOldBiker View Post
A lot depends on how much smoke. Are these the stock injectors? Is the fuel pressure within range? Could be several items that can cause this. If the smoke isn't that much, not to worry, just letting you know you need to look into this before you're in deep problem.
@Polaraco ... ideas ???
Quote Originally Posted by david3gen View Post
Smoke is blue not black.Not that much but enough that i see it in the mirror. It happends when i’m around 2500rpm. I replaced my injectors last year. Fuel pressure is normal. But it became a bit better when i mounted my oem filter and box again. I know that catalysator,fuel and liftpump is from when truck was new. It does’nt smoke all the time. It happens when i stay around that rpm and my truck get resistance not in a straight line when it operates light. Lower rpm and above is normal. No smoke at harder accelration.


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Blue smoke is usually oil burning. Is your crankcase ventilating properly? I believe you have a crankcase filter in that