2001 A6 Running/Idling Rough
My 2001 A6 2.8L is running and idling rough. This is a recent development.
It has 118k miles on it. Timing belt was replaced around 100K. Don't have the error codes w/ me, but I'll see if I can dig them up.
RECENT DEVELOPMENT:
Car idling rough and running without normal power. A burning smell was coming out from the engine, smelled like burning rubber or something.
So I checked the engine oil and the oil was pretty much not even registering on the dipstick. For the laste 12 months or so, I have run into situations where the oil seemed to running extremely low, though oil changes have been done on a fairly regular basis. Last oil change was less than a month ago.
Not sure if the oil burning/engine running super hot is related or may have created the problem with the rough idling, lower power. Did a hose burn through?
OIL CHANGE TODAY:
I changed the oil from the 40W to a heavier 50W. Mechanic said this would help. Mentioned that VW/Audi are common for burning oil. Mentioned there was a small leak, but probably bigger problem is the engine burning the oil.
NOW:
The burning smell seems to be better, but the rough idling and lower power is still there if not worse.
PRIOR PROBLEMS:
Last diagnostic showed the catalytic converter needs to be replaced, though not sure if this had any relation to the current rough idling/low power issue.
Any thoughts?
For now I am more concerned about the rough idling/lower power than the oil burning issue, though that seems to be something that will continue to cause problems in the future.
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Driving till it drops
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