ryz

Now a pulled down my intake ,maf sensor ;all the stuff up to the trottle body ,there was a mess of oil all over the place ,well traces, up on further investigation i found oil trapped in side that harmonica looking part just before the throttle body .Can any body explain that for me ,just curious
(just as you requested mr.bean )

Jeff92se

iTrader: (82)

Replace the PCV valve and see if that helps

Daniel B. Martin

Look at the upper right hand corner of the valve cover on the front cylinder bank. There is a black rubber molded hose, about as thick as your thumb, which runs from the valve cover to the air duct, between the Mass Air Flow Sensor and the "harmonica looking part". (I think it might be described as "bellows" or "accordian".) That hose is supposed to carry filtered air into the engine. That air swirls around in the crankcase area, mixes with blowby gases and oily vapors, passes through the Positive Crankcase Valve, and then to the intake manifold.

If the PCV valve were stuck closed the blowby gases have to go somewhere. One way for them to escape the engine is to "swim upstream", through the fresh air hose. That would deposit oily gunk in your engine's air duct, and probably the Throttle Body too.

Check your PCV valve and replace it if clogged. Make sure the PVC hose is clear. Check the Throttle Body and clean that too, if needed.

bill99gxe

iTrader: (1)

Your answer sucked, man. Daniel's was much better.....

Jeff92se

iTrader: (82)

Bill bite me okay? I am right. I was faster than Daniel. I am to the point. Don't ask me why but just do what I say!But again I am right. So there....bleahhhhhhhhhhh

bill99gxe

iTrader: (1)

tick-prone VE shouldn't be answering Q's in the 4th gen forum anyway......



And Jeff was having such a peaceful few days while I was gone.......

Daniel B. Martin

Jeff, your answer was fast, your answer was concise, your answer was right. In my long-winded style, I tried to give a more detailed explanation.

Let's all pitch in and give help the best way we know. Don't take any static from the peanut gallery!

ryz

Thanks a lot fellas I thought my pcv valvewould probably be good for another few thousands miles seeing that I only have 37000 on the car ;oh well, good free advise always makes you feel better about a situation than being in the dark with some dealer picking your pocket :smile: thanks again
If i put in one of those crank case breather things that looks like a minature pop charger on the valve cover +change the pvc valve that should stop "that" right in it tracks right....:

Sprint

iTrader: (10)

does a bad PVC valve or whatever affect performance in anyway? and if so what signs?

Daniel B. Martin

A stuck-open PCV valve causes a rough idle. A stuck-closed PCV valve causes oil leaks. The PCV valve isn't a performance-limiting part.

Jeff92se

iTrader: (82)

Don't worry Danial. Bill and I know each other and have met before. He's just jealous of our vast maxima knowledge! har-har. It's all good.

GNGXE

Oil in the intake can slow you down, you burn gas and air,not oil(hopefully). I would say it lowers octane,decreasing performance