I own 99 ml 430 black opal with 64,000 miles. Did any one hear of the mass
air flow sensor going on these 430s. the check engine light came on and the
sensor was repaired 4 months ago. the light came on again and it was found
to be the problem again. part number is 113-094-00-48. any help or info will
be appreciated . thanks
JB - 17 Feb 2004 01:24 GMT
That's the same part number that's on my 99 E55. I had to have it
replaced at 39,000 miles. My car has 42,500 and has no problem with the
new unit. I'm keeping my fingers crossed. I have heard that these are a
finicky design.
Rodney T. Grill - 17 Feb 2004 23:33 GMT
> I own 99 ml 430 black opal with 64,000 miles. Did any one hear of the mass
> air flow sensor going on these 430s. the check engine light came on and the
> sensor was repaired 4 months ago. the light came on again and it was found
> to be the problem again. part number is 113-094-00-48. any help or info will
> be appreciated . thanks
I have heard a lot of other ML owners complain about MAS failures after 50K
miles or so, but none so close after replacement.

Signature
- RODNEY
chaisone@yahoo.com - 26 Dec 2004 18:55 GMT
Just replaced mine. Super easy to do. Part is expensive.
Bryan
Rodney T. Grill - 27 Dec 2004 22:16 GMT
> Just replaced mine. Super easy to do. Part is expensive.
> Bryan
Yes, a very easy job. However, if I knew that it was the culprit, I think I
would try to clean it before replacing it. Besides, what have you got to
lose if you are going to buy a new one anyhow? There are plenty of posts on
various Internet forums describing how to do this (many of them are on the
Lexus forum). Apparently, you take it off and use a combination of Gumout
cleaner and compressed air.

Signature
- RODNEY
Flyingmonk - 30 Dec 2004 15:20 GMT
Thanks Rodney. I didn't know that it just needed cleaning. I'll keep
the old one around for later use. Next time I'll try cleaning it.
Bryan
miknik - 18 Feb 2004 00:43 GMT
>I own 99 ml 430 black opal with 64,000 miles. Did any one hear of the mass
>air flow sensor going on these 430s. the check engine light came on and the
>sensor was repaired 4 months ago. the light came on again and it was found
>to be the problem again. part number is 113-094-00-48. any help or info will
>be appreciated . thanks
Don't you get warranty on failed parts? We do in the UK, 1 year,
covers parts and labour involved in replacing defective component.

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Lettuce spray for whirled peas...
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lawrence e massone - 18 Feb 2004 18:48 GMT
yes it was covered by warranty. thanks all for the help
> >I own 99 ml 430 black opal with 64,000 miles. Did any one hear of the mass
> >air flow sensor going on these 430s. the check engine light came on and the
[quoted text clipped - 4 lines]
> Don't you get warranty on failed parts? We do in the UK, 1 year,
> covers parts and labour involved in replacing defective component.