Question about 1989 Audi 200
Re-check your thermostat, it may have gone bad and stuck patially closed, keeping the coolant from flowing through the radiator. Check engine temp sensor, it possible go to bad and out of range.
That sensor is the underhood high heat sensor. Disconnect the sensor wire and ground the wire, but be sure that nothing is in the way of the electric fans. The fans will come on when the wire is grounded. When the sensor sense a high heat condition under the hood, it will run the fans even if the engine is not running.
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Posted on Nov 09, 2010
As you said speed meter and trip meter stop working, it can because of speed sensor which is fitted on gear box,. only speed sensor (VSS) send signal to control unit (cluster) then cluster show you the reading which receive from sensor. Due to wrong signal it is showing wrong reading, replace that sensor it will solve your problem of speed meter.if any case problem not solve you have to check vehicle through diagnosis system then you will be able to know what is exact reason for temperature Gage and speed meter can be minor memory store problem it will solve by erasing fault codes with help of diagnosis kit( a unit which communicate with vehicle computer). last and costly cause can be cluster assy also but you can go for this step 1st.if any issue please let me know. thanks
Posted on Nov 09, 2010
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Posted on Jan 02, 2017
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