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El Gato Liso
01-30-2012, 05:18 PM
so

i did a stomp test and it gave me 1 2 2 3 = coolent temp sensor (for the m50 E34).

what can this component failing cause? or what can come from this unit no longer working?

thank u*wave**wave**wave*

SamE30e
01-30-2012, 10:20 PM
Coolant temp sensor to the ECU. This would cause the car to run rich, poor gas mileage, down on power and maybe a bad idle when hot.

There is 2 in your cylinder head, next to eachother. The one with the blue connector is the ECU one, the other is for the gauge on the dash.