2006 coolant running out quickly

Questions specifically about a Petrol powered Citroen C3 (usually engine or fuel related problems).
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Petrol engine related faults, like injectors, error codes, overheating.
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My Name: Arfur Dent

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Model: C3 2002-2005, Original shape model
Year: 2002 (52)
Engine Size: 1.4 (16v)
Fuel Type: Diesel
Mileage: 100000
Trim Level: Exclusive
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Engine name: DV4 16-valve diesel (90 PS)
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Jjb0800 wrote: Fri Feb 25, 2022 4:24 pm Headgasket was already replaced cost me £300 when I bought the car. After that I'm not sure if my faulty thermostat caused my car to overheat has affected the hg.
You can do the head gasket test (from here - eBay) to check the head gasket has not failed again or been fitted incorrectly. It's a test you can do yourself and will take a lot of the guessing out of it.
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My Name: Ozvtr

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Model: C3 2002-2005, Original shape model
Year: 2003 (53)
Engine Size: 1.4 (8v)
Fuel Type: Petrol
Mileage: 80000
Trim Level: Other
Gearbox: Automatic PRND
DPF: No
LHD or RHD: RHD
Engine name: TU3 (75 PS)
Location: Brisbane, Australia.
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Jjb0800 wrote: Fri Feb 25, 2022 4:24 pm Headgasket was already replaced cost me £300 when I bought the car. After that I'm not sure if my faulty thermostat caused my car to overheat has affected the hg.
You would see by the temperature gauge if the engine had over heated.
Tu3 has "wet liners". The pistons run up and down in steel tubes "floating" in the engine coolant. Lots of possible failure modes there.
There are a number of ways the head gasket can fail but corrosion, warpage or cracks in the head are also possible causes for coolant loss.
If you are using an antifreeze coolant in your system, the coloured dye or a powdery residue should be visible on the outside of the engine if it's leaking that way. If you are just using water you might not find the leak.
If the coolant is going into the cylinders there will be excessive amounts of steam coming out the tail pipe and the engine will be rough at idle. Fuel trims will be shot too.
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