Having problems with your 2002 Volvo S60 ?

Volvo Cooling sensor / fan arent working

\015 I have a 2002 volvo s60 2.4 turbo i just purchased and the temp guage doesnt work, the fan wont run and the car has issues starting. I believe the cooling sensor was just replaced. When the cooling sensor is plugged in it will not start and when it is unplugged the car will start but it turns over for a bit before it will fire up. I believe the injectors are kicking too much gas out. I heard that the module may be bad and need to be replaced or reprogrammed. Not sure if the cooling sensor is linked with a module or not or what my next step should be to get the fan to cool the engine and the car to start up when the sensor wire is connected. Thanks\015 Posted / edited by AnonymousUser on : 14-08-2017

Answers :

My air conditioner or fan turns on when the car gets too hot. It doesn't happen every time but often enough to drain the battery. It is a 2001 Volvo S60 turbo. I don't know where to start.
Take it one step at a time. First, replace the coolant sensor and try to get the car to start WITH the sensor connected. Make sure that you DO NOT use any teflon tape when installing the switch (this will isolate the switch which will not ground it, making it not work). Th computer receives signals from numerous sensors, and makes adjustments according to inputs received. When the computer gets a signal that the car is still cold, it will adjust the fuel/air ratio to make it run richer (more fuel than air). Once the car is running it will run rough due to a improper mixture since the computer is never sensing the car is warmed up since the sensor is unplugged. This will also account for the slow start due to a richer fuel mixture.
Repair Help & Product Troubleshooting for 2002 Volvo S60

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