WHY IS GETTING HIGH THE ENGINE TEMPERATURE ON SPEEDS ABOVE 100 KM/H ?

2001 Ford Focus

Tiny

Alex Gheorghe

July, 14, 2012 AT 10:17 AM

Hi I have a Ford Focus 2001 /1.6 (Automatic, Zetec SE) and I have noticed that in the last couple of days on the highway if I push it over 100 km/h the engine temperature is rising suddenly to maximum. If I drop the speed below 100 km/h the temp. Is dropping back to the safe zone.
I should mention that the cooling liquid is on the normal level, but I did find it one time on minimum (the first time when this rising temp occurred).
And I had changed the engine oil 1 month ago I am using now Castrol 5w30 A1
I am wondering is it the cooling system pipes (probably stacked somewhere ) or maybe the new oil I am using causes the overheating or the Thermostat sensor (temp sensor)
I live in Cyprus (35-40 degrees Celsius)
Thank you in advance.
Alex

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Running Hot

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1 Answer

Tiny

Wrenchtech

July, 14, 2012 AT 12:50 PM

You need to first pressure test the cooling system for any leaks and resolve those. If it is determined that it doesn't have any air pockets in the system, then I would look for a restricted radiator.

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