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Temperature goes up and down

Tiny
ELCOSTIS
  • MEMBER
  • 1998 PEUGEOT 206
As I start driving the car the cooling fan comes on and the temperature gauge goes to red and the "STOP" sign appears. After a few seconds the gauge drops back to normal and the fan stops. Then again after 1-2 minutes the same thing happens.
Any advice!
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Tuesday, August 30th, 2011 AT 10:43 AM

3 Replies

Tiny
DRCRANKNWRENCH
  • MECHANIC
  • 3,380 POSTS
There are several components that will cause overheating;

Radiator cap
Thermostat
Leaks in Radiator hoses, coolant, heater and by-pass hoses.
Leaks in radiator or corrosion
Cooling fan(s) not working
Head gasket.

Also, the catalityc converter can clog and cause overheating

Below is a URL for a walk through to insoect, test and determine the source of over-heating issues;

https://www.2carpros.com/articles/engine-overheating-or-running-hot
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Tuesday, August 30th, 2011 AT 11:30 AM
Tiny
ELCOSTIS
  • MEMBER
  • 5 POSTS
Can it be the Electronic Coolant Temperature Sensor or the relays in the Cooling Fan?
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Tuesday, August 30th, 2011 AT 11:52 AM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
It could be any of those things. Your first step should be to measure the actual engine temp with a laser thermometer to find out if it's really getting hot or just getting false temp readings.
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Tuesday, August 30th, 2011 AT 1:10 PM

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