Also what kind of oil are you using. Some seem to evaporate over time.


"Caroline" > wrote in message
link.net...
> "motsco_ _" <"motsco_ > wrote
>> Chuck Connell wrote:
>> > My Odyssey, with only about 75K miles, is going through
> almost 2 qts of oil
>> > per change (every 3000m). So that is about 1 qt of oil per
> 1500 miles. This
>> > seems excessive to me. The car runs fine and there is no
> obvious oil in the
>> > exhaust smoke. Is this something to worry about? The dealer
> told me last
>> > year that one qt per oil change was OK, but now it is getting
> worse....
>>
>> That's not really bad, Chuck, but you might find your PCV is
> stuck open
>> . . . It will suck the vapour out of the crankcase like crazy
> and burn
>> it invisibly.
>>
>> Our '95 ody had PCV issues too.
>
> To bark further up the PCV valve tree--
>
> How's the fuel mileage? Have you noticed a lot of oil on the
> lower part of the engine exterior? Oil dripping on the garage
> floor, maybe? There really should be none.
>
> A malfunctioning PCV valve can reduce engine efficiency notably.
> If, instead of the valve being stuck open, it's actually clogged,
> then this may compromise various oil seals, allowing the oil to
> leak out.
>
>