It just never stops amazing me.

Car is running funny again. I put in a new PCV tonight, the old one was crap, but the new one made no difference.

The old one had fresh oil on/in it. I'm going to assume thats kinda normal but since I only drove 7-8 miles to advance auto and back it seems like there was a lot of oil in the little bugger.

Could this be a sign of other problems?

Also if the hose on my PCV valve is wore out and has seen better days, could this cause an air leak that would effect idle and cause double lean codes?

Edit: everything not check from originally list is here

Fuel System:
�· Low fuel pressure or running out of fuel (fuel pump, filter, fuel supply line restrictions)
�· Vapor recovery system (VMV)

Induction System:
�· MAF contamination (I need to clean it again, but didn't solve problem last time)
�· Vacuum leaks (I haven't found any)
�· PCV system concern


EGR System:
Nope, new gasket, checked egr and funtional

Base Engine:
�· Exhaust leaks before or near the HO2S
(exhaust looked good so did Y pipe, cat and others,)

Powertrain Control System:
�· PCM concern

My own thoughts:
1) DPFE sensor is screwy, but not sending a code
2) Alternater could be crapping out, maybe bearings inside
3) NEW THOUGHT! What if my TPS was out of wack, it could explain odd idle because IAC would think the throttle to be open.
4) NEW THOUGHT! Old hose on PCV seems like it might not be "air tight"

Fixed/Good condition:
-New IAC
-new IAC, TB, EGR gaskets
-Battery terminals good
-Battery ~1 year old
-no air leaks that I can find after MAF
-New plugs and wires(Autolite D.Plat with 8mm Auto wires)
-Fuel Filter ~ 6months ago
-Oil was changed over Xmas break with mobile 1 and purolator pure one filter
-New belt for waterpump(it was sqeaking when cold and when car stalled)
-Cleaned the EGR passages ~year ago when CEL came on.

Symtoms:
Bad idle ~600 rpms, will stall when very cold
Bad idle + turning on defroster = stall
Idles ~800-900 when warmed up
Lights dim when rpms fall to the 600 mark or lower
Rev Limitered kicked on @ 4k RPM the other day(not sure on that one)
Battery light goes on nearing 5k

Mods:
My Hood
K&N Filter with Ebay Intake pipes
Trubendz Exhaust
Aiwa headunit(doubt it would cause problems, but my issue seems electrical)


Well thats a good summary for anyone just checking in. lol



Last edited by ZeroHour; 03/17/06 03:40 AM.

1998 SE Duratec V6 ATX Ebay intake with K&N Filter Trubendz Exhaust Custom Hood