Sometimes when my car is warm, and i let the engine run in free gear, the car stops. Then it may be hard to start, and when it starts, the car runs really bad. But if i stop it and start it and it starts right away, it runs fine. Got a friend reading the fault codes. And what i got was sensors for coolant temp. And engine speed. Do i have to change both sensors, or do i just have to change the coolant temp sensor? Some say the coolant temp sensor problem may have led to the engine speed sensor problem. Anyone familiar with this problem?
2001 a4 1.6
2001 a4 1.6
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