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Old 03-18-2013, 02:52 PM
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Question about CCV system

On my 02 is there a way to disconnect the CCV off the intake and run the truck for a few weeks to see if it is causing my smoking issue in the mornings? Also I don't want to make a mess in the engine bay if the tube is disconnected! And I don't want to spend anymore money on a ventilation kit either. Thanks

Chris
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Old 03-18-2013, 03:02 PM
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I ran a 5/8 hose off the valve cover dog house under the truck back past the doors, mine is a crew cab . So the hose was about 6 ft long and ended near the tank. I plugged the hole in the intake with silicone sealer. My intercooler is clean but I will see a little smoke coming out the hose. If your exhaust is smoking you have excessive blow by which would = worn valve guides or bad rings and low compression . Possible worn injectors. I had #6 smoking at idle but was clean burning above 13000 rpms. I changed the injector yesterday and no more smoke.
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Old 03-18-2013, 03:46 PM
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My lowest compression is 390psi in number 5. The rest of the cylinders are at 420. 8 brand new injectors. Checked excessive blow by out the oil fill tube and just a light stream of smoke and that's all, the oil fill cap didnt move at all.
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Old 03-18-2013, 03:55 PM
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What does it mean why you have a bit of blow by... like it will slowly move the cap off the filler tube?
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Old 03-18-2013, 03:57 PM
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The cap will just sit there, when you take the cap off the tube a little smoke comes out, but with the cap upside down it doesn't move a bit
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Old 03-18-2013, 04:07 PM
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Then you're good. A little smoke is normal.

And smoke at start up is also normal. It should clear up fairly quickly though.

Last edited by Macon; 03-18-2013 at 04:08 PM. Reason: expansion
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Old 03-18-2013, 04:22 PM
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Oh no it doesn't clear up until high idle is done with and the engine has really warmed up, and sometimes it misses too.
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Old 03-18-2013, 11:42 PM
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What color is the smoke?
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Old 03-19-2013, 08:19 AM
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Blueish white smells like raw fuel. Sometimes when I start it I get a nice whiff of burnt oil that comes out the tail pipe but only when cold though never hot. Also if I am rolling while the engine is already hot, and I put truck into neutral and rev it a big cloud of blue comes out. I do have some oil consumption too about 1-3/4 quarts every 4000 miles.
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Old 03-19-2013, 11:34 AM
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Well the white smoke that smells like raw fuel is, you guessed it, raw fuel. This is most likely from a faulty component in the GP system. A little white puff is okay at first start-up, but excessive smoke means there is a problem.

The blue smoke is definitely oil. If I had to guess, I would say injector o-ring that did not seal correctly. Your compression numbers look too good for it to be a ring.
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