Overheating engine

2007 CITROEN C4
92,000 MILES • 1.8L • MANUAL
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NELSON MUSSAGY
  • MEMBER
  • 1 POST
Radiator fan only works when temperature sensor unplugged.
Apr 5, 2019 at 11:23 AM
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JACOBANDNICKOLAS
  • CERTIFIED EXPERT
  • 110,175 POSTS
Welcome to 2CarPros.

First, I have to tell you this vehicle is not offered in the US. As a result, I have little to no technical information related to it. However, I will try to help.

The first thing I would suggest is to locate the relay / fuse box. Most times they are located under the hood of the vehicle and the cover indicates the purpose of the components in the box. Once you do that, locate the fan relays. Next, remove it or them and test the relays. Here is a link that explains how to test a relay:

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

Here are a few links you may find helpful when checking electrical components.

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

https://www.2carpros.com/articles/how-to-use-a-voltmeter

https://www.2carpros.com/articles/how-to-check-wiring

Let me know if this helps or if you have other questions.

Joe
Apr 5, 2019 at 7:28 PM