Quote:
Originally Posted by MetroMPG
If I recall, the Metro problem is a coked up EGR passage that affects the middle cylinder. The result can be a burned exhaust valve (since EGR reduces combustion temperatures, without it, things get too toasty).
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That seems to be what they say, that I've heard anyway.
Daox - For the care, cleaning, and maintenance of your system, short and straight as possible. There's nothing fluid, and unless you're going to filter it through water or some other fluid medium, or add in filters/screens, etc... just pipe it all in there, and maintain it accordingly. You'll be checking on it all the time anyway, I'm sure, so you'll get a feel for how long it takes before it needs to be cleaned out.
EGR cleaning should be a part of vehicle maintenance for anyone that does alot of cruising at steady speeds. It seems that those vehicles see coked EGR's the most, at least to me.