Quote:
Originally Posted by alienman
Hi guys,
I pulled the plugs today and found that my mechanic replaced them with NGK TR5's on the last tune-up. Other than being the "wrong" type of plugs for the engine, they looked okay to me. I'm going to pick up a set of H9DC0's from the dealership tomorrow and swap them this weekend, though I don't think that's the cause of my loss of fuel economy.
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I am following this thread. I also get 12mpg average in my 300TE. I don't think plugs are your problem either.
Pawo: Since we are talking gear replacement get this -- I pulled the odo in my 260E and ran a drill on the back...the odo span fine. I plug it back into cluster and it would get to about 2/10 of a mile then stop. Any ideas?

There was a sticker on the back from a shop in LA who fixed it before...obviously didn't last long as it was noted at 80k miles...so it lasted 3k before failing again.