Thermostat Fault Symptoms & Problems

The Thermostat is part of the car Engine Cooling System system. We have 3 associated problem symptoms connected to it.

We also have 590 owner problems that mention it.

3 Symptoms of Thermostat Problems
We have 590 owner submitted problems mentioning the Thermostat

Showing the latest 10, see more problems here

2
responses
Front passenger door not locking/unlocking

Front and rear doors lock stuck in locked position, I renewed both locking mech and back door is now fine but front door...

2006 Volkswagen Golf 2.0 tdi Sport
Posted: Jul 23, 2021
4
responses
Seat memory loss

The seat memory buttons have suddenly stopped working, Tried what it says in the handbook No difference

2014 Peugeot 308 Cc
Posted: Jun 29, 2021
1
response
Overheating

Coolant temperature 93 oil temperature 125 Increasing over 60 mph in to red drops back soon as speed reduces

2013 Peugeot 508 Hdi 2 lt automatic
Posted: Jun 21, 2021
7
responses
Code 3

I have a code 3 on my car it pops up after 20 mins in from driving. I have just had the water pump changed there is no l...

2011 Vauxhall Insignia 1.8 petrol
Posted: Jun 19, 2021
4
responses
Eloys pump not working after fitting a new dpf

Engine repair needed light came on ,garage checked and fitted new dpf but still the fault warning comes on then garage s...

2013 Peugeot 308 Sw 1.6 hdi
Posted: Jun 13, 2021
4
responses
Yellow engine light flashing, switch engine off and fan comes on. Turn engine on engine light is on and steady and fan goes off?

Just been serviced after having to call out the AA because it wouldn’t start. Seemed ok after the service and then thi...

2011 Citroen C3 1.4
Posted: May 26, 2021
16
responses
Engine light flashing and loud fan on

Hi, The engine management light comes on flashing and the fan comes on loud, it varies, sometimes it comes on for 30 sec...

2014 Peugeot 208 active
Posted: May 24, 2021
4
responses
The radiator fan only works when the air conditioner is turned on

Hello , The radiator fan only works when the air conditioner is turned on. If I do not turn on the air conditioner, the...

2004 Citroen C2 1.4sx
Posted: May 24, 2021
3
responses
Tempreture metre not stable

When in jam aircond start going hot same as not working.after that tempreture metre not stable at 90degre,.

2013 Peugeot 3008 1.6 turbo
Posted: May 17, 2021
1
response
Need to find the thermostat

I need to take the thermostat out as I have a bad leak from the core plug behind the hear box so I need to put a steal d...

2007 Vauxhall Signum V6cdti
Posted: May 5, 2021
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