Are you sure it is not Transmission Fluid? Oil in the coolant would indicate a bad head gasket
orange triangle with letter "A" for 1998 Volvo
orange triangle with letter "A" for 1998 volvo
If you mean for Coolant level sensor it is on the bottom of the plastic coolant dish on the passenger side of the car.
I'm not sure what you're asking, but if you mean that you are getting an OBD-II diagnostic code of P0128 from your Volvo S40, that code corresponds to a problem with coolant temperature. On a first generation Volvo s40 (99-04), this usually means that the thermostat or electronic coolant temperature sensor are malfuctioning or have failed.
It actually mean Antilock Brake System not automatic braking system
Insufficient coolant temp for closed loop. Possible thermostat malfunction.
You should check your fluid levels, your oil and coolant.
Volvo means, I am rolling.
Trouble code P0125 means: Insufficient Coolant Temp For Closed Loop Fuel Control
Trouble code P0117 means:Engine coolant temperature circuit low input
P0118 is an OBD II (on board diagnostic) generic code. It's explained as : P0118 - Engine Coolant Temperature Circuit, High Input.
You have a coolant leak.You have a coolant leak.