FINDING AND CLEANING EGR VALVE ON SABLE.
1998 Mercury Station Wagon • 6 cylinder FWD Automatic •
Confirmed that this is why engine light is on. I'd like to clean it out.
November 29, 2010.
November 29, 2010.
Don't have the receipt in front of me, but it was low flow EGR, I think P0401
That's not a dirty EGR valve. That's either a bad DPFE or a plugged EGR passage through the intake.
Thanks. So I could clean it out and/or replace the DPFE? How to clean it? I think I know where the EGR is located - driver's side back of engine, right on top like a mushroom. Not sure where the DPFE is.
Differential Pressure Feedback EGR sensor also called a pressure transducer. They fail by the hundreds.
Well, if you don't want to get it diagnosed properly, I'd try a new DPFE
What about the cleaning? I've seen responses suggesting wire insertions and chemical breakdowns (B-12). I'd like to do this myself because it seems so simple, as is buying a new DPFE. I think I should do both, no?
BTW, I've gotten the same response before - replace the DPFE. This just doesn't seem to fix the problem. If there's carbon buildup, then I think it should be cleaned out. How to do this is the question. With a clothes hanger or with B-12 or something like it. Hey, I don't know what I'm doing, and that's why I'm here. There's mention of gasket replacements, throttle body cleanouts, hose replacements, etc. I'd just like a straight answer.
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