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The engine warning light is coming..temperature guage

Customer Question
The engine warning light is...
The engine warning light is coming on occasionally, the fan is coming on a regular basis and the temperature guage varies between normal and very low. What could be causing this?
Submitted: 8 years ago.Category: UK Ford
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Answered in 22 minutes by:
6/22/2010
Ford Mechanic: Bob, UK Ford Car Mechanic replied 8 years ago
Bob
Bob, UK Ford Car Mechanic
Category: UK Ford
Satisfied Customers: 2,046
Experience: ATA Tech, Ford Tech,6 Years with Ford, 4 years with MG Rover
Verified

Hi there hope i can be of assistance.

 

Ok the first thing to have done is a diagnostics check to see why the engine check light is coming on, this will direct the diagnostics in the right direction.

 

However from what you describe this could be a fault ECT sensor, or local wiring.

 

This sensor detects engine coolant temp. The ECU uses this info to turn on the fan, control the gauge and advantge the ignition timing/fuelling ratio.

 

This sensor is located under the ignition coil pack on the right hand side of the cylinder head.

 

Thanks Bob

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