Can I clean my EGR & PCV valve also all the tubing or is it recommended to replace them?

If so, how?

 

i had a check engine light for the pcv. while swapping out my headlights and putting the lights in the engine bay, it some how either pushed someting in or wutever. but now the light is off. what and where is the pcv?

 

Change the PCV valve, it's a $4 part. The EGR system can be cleaned, but it's a PITA and requires the intake to be removed.

 

ditto on njmax.

 

Are you getting EGR related CEL codes?

 

PCV valve is very easy to change, there should be a link in the how-tos' its between cylind 5 and 6, on the intake manifold. . . aww I cant describe it right.

 

What are some of the symptoms? Smoking? any Codes?

 

There's some stuff above the PCV... Should any of that be removed? Or can I wedge a plier in there get the pcv out?
Jae

 

You can pry the pcv valve right out of between the hoses. Then just plug the new one in and make sure it's secure.

 

i am...its o305 (flashing method) thats the egr temp sensor.i heard that its probably something else in the EGR system.

should i just get it cleaned?

 

If your short $4, let the pcv valve sit in a cup of TB cleaner and it will restore some good life back to the pcv valve.

 

As far as an update to my woes...I replaced my PCV Valve and everything is good as new. The old PCV Valves was pretty clogged. Since the replacement, I haven't had any issues with smoke at all.

It even feels a little smoother on accelleration.

 

I pulled my egr from 99 maxima se without removing intake. I little tight. But, only had to remove the 30mm flange end off of exhaust feed with crescent wrench and bent it down a little to access upper egr tube bolts.