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Yes the speedometer works but the tackometer hasn't worked for a while, or at least it episodically works during a trip jumping up from zero reading to what ever revs are runnng and then functions for a while, then drops back to zero and so on
Yes it does seem to go to neutral for a few moments then to gear.
This problem got serious about two three weeks ago after going up and down some very steep but short hills in San Diego, but the check engine light only came on this week (Wednesday). The Hyundai dealer didn't give me the codes but said they indicated that both the sensors (trans fluid temp sensor and pulse generator were defective.
Thanks for trying to help.
I replied below but here it is again:
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