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  #1  
Old 03-04-2013, 06:39 PM
Raminizer Raminizer is offline
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Default Intake Leak? Milky oil sludge on PCV Valve

Hey guys I been fixing things left and right here seems Murphys Law is real good friends with my truck to say... But anyways after a nice performance drop and doing about 7.5-7.9mpg in town I decided to start doing some diagnosing. 2 injector stuck open(not pulsating) 4 leaking, fixed my hard starting issue. Went ahead and re-replaced all the plugs being they were snow white but while under the hood I decided I would check everything else and that is when I found the PCV valve was Milky white. Should I be concerned about a possible intake gasket leak or HG Leak?(No Codes whatsover and no noticeable coolant lose). To say it seems the performance is get worse and the mileage is dropping.
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Old 03-04-2013, 06:58 PM
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brandonjansen brandonjansen is offline
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Originally Posted by Raminizer View Post
Hey guys I been fixing things left and right here seems Murphys Law is real good friends with my truck to say... But anyways after a nice performance drop and doing about 7.5-7.9mpg in town I decided to start doing some diagnosing. 2 injector stuck open(not pulsating) 4 leaking, fixed my hard starting issue. Went ahead and re-replaced all the plugs being they were snow white but while under the hood I decided I would check everything else and that is when I found the PCV valve was Milky white. Should I be concerned about a possible intake gasket leak or HG Leak?(No Codes whatsover and no noticeable coolant lose). To say it seems the performance is get worse and the mileage is dropping.
You should check what your oil looks like ASAP. If it's milky like that it's getting water in it which means you most likely have a blown head gasket.
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Old 03-07-2013, 06:47 PM
Raminizer Raminizer is offline
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You should check what your oil looks like ASAP. If it's milky like that it's getting water in it which means you most likely have a blown head gasket.
The white milky residue was formed on the PCV valve so Im looking at condensation mixed with possible blow by but Im not ruling out a head gasket issue, but for four months Ive been chasing this issue, coolant levels are the same as I have marked the resevoir with marker. Pulled dipstick and oil is clean just had it changed in January. For piece of mind Im gonna pull the intake and put new gaskets in. But it has come to mind, I did have the truck sent to the shop for a CAM and Crank sensor Code and a Medium Vap Leak Code cant remember the exact codes, but if I recall thats when I noticed the power loss. Could it be possible the Sensors were not install properly/Faulty yet not throwing a code? . Another thing is even after the Spark plug and Spark wire change the missfire is still there though no codes are being thrown so I cant tell which side and cylinder its coming from.
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Old 03-08-2013, 08:41 AM
rdsabin rdsabin is offline
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Also Milky White could be caused by not letting your engine get hot enough by just going for short trips in cold weather. Replace the PVC valve and get your truck warm before shutting it off and see if it helps.
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Old 03-08-2013, 06:34 PM
Raminizer Raminizer is offline
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Originally Posted by rdsabin View Post
Also Milky White could be caused by not letting your engine get hot enough by just going for short trips in cold weather. Replace the PVC valve and get your truck warm before shutting it off and see if it helps.
PCV Valve was replaced the instance I noticed it, Ill be keeping and eye on it, I put 60 mile round trip yesterday on the truck but still looks like a significant amount of condensation is noticed on the oil fill cap and the new PCV. Ill be doing some looking over things tommorow see if find something out the ordinary
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Old 04-02-2013, 07:11 PM
Raminizer Raminizer is offline
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I just did an oil change last weekend and oil looked normal use, I did pull the pcv valve and no milky substance just a tad bit a condensation on it and some condensation on the oil filler cap. being now that its getting to be 70* plus out I noticed the condensation build up being less and less. so I know starting to see its normal thing, thanks guys for the advice and help really appreciated
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Old 04-11-2013, 06:50 PM
Raminizer Raminizer is offline
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I have a update, When my timing chain was replaced this past week the mechanic noticed a small split at the coolant passage. It was about a 1/8" which is why I didnt notice a coolant level drop. Since its been fixed there is very little moisture buildup on the oil cap. Thought this information may be helpful to others
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