Quote:
Originally Posted by JimF
Larry, with 160K on the '94 E420, the first that comes to me, is was the wiring harness replaced?? If not, I'd certainly start there. As you have read here, many cars where brought back from their apparent 'death' when it was replaced.
A bad wiring harness can, and HAS, taken it's toll on ECUs, so that's a reality.
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Hello Jim,
Yes, the harness was replaced last year (or maybe the year before). Back then, I had a problem for a while with CAN communication.
Late last year the Air mass sensor was replaced, and things were good for a while...then it didn't want to start when medium warm. The day I took it in to get looked at, it would alternate between barely running or not at all. See my link to my other thread in my reply to cool above.
I'll double check your menu when I get home.
Thanks!
-Larry