What is life like with your car? Let us know and win £500 in John Lewis vouchers | No thanks

Focus Pocus

I have a Ford Focus 1.6 (2004).

The temperature gauge rises to normal within about 1 mile from acold start and the engine idles at the correct RPM (ie from cold start RPM to Normal Idle RPM.)

After a few miles the temperature gauge rises rapidly into the red then returns to normal. The cooling fan kicks in just before the temp rises in to the red but stays on for much longer. The engine is not overheating at any point. Have changed the CHT sensor in the cylinder head and also the thermostat and the waterpump.

No difference. No fault codes or warning lights. Any ideas?

Asked on 14 April 2011 by hocus pocus focus

Answered by Alan Ross
I must admit that you seem to have changed all the relevant parts of the cooling system. Given that the thermostat is working correctly (ie opening at the correct temperature)it then allows the coolant from the engine block to go into the radiator for cooling. If, as you say, the engine is not overheating, the fan comes on correctly (showing that the circuit is working ok). The only thing I would do next would to be carry out a pressure test on the cooling system, just to make sure there are no leaks at all. From there I would suggest that, given everything is ok, maybe the actual temp gauge itself may be giving a false reading.
Similar questions
I have a problem were my Volkswagen Golf III TDI is overheating. It seems to use a lot of water. I have checked both radiator hoses, and both are hot when the car is idling. I have checked the pipe that...
My daughter's Ford Ka overheated in a shopping centre yesterday. The AA turned out for her and decided the engine cooling fan was not cutting in. The car got home fine since it wasn't standing in traffic....
I have had an X-reg Citroen Saxo Forte 1.1i for three months and found out that the 30A fuse for the cooling fan had been removed from the fuse box. On replacing the fuse and then switching off the ignition,...
Related models
Superb blend of keen handling and ride comfort. Seats five in comfort. five-star Euro NCAP crash test rating.
 

Value my car

Save £75 on Warranty using code HJ75

with MotorEasy

Get a warranty quote

Save 12% on GAP Insurance

Use HJ21 to save on an ALA policy

See offer