Head, Head Gasket Or Other

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: the_big_1

Contributor
Posts: 8
Joined: Thu Jan 15, 2015 1:14 pm
Model: C3 2002-2005, Original shape model
Year: 2003 (53)
Engine Size: 1.4
Fuel Type: Petrol
Mileage: 80000
Trim Level: VTR+
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)

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Hi Guys,

My friends C3 has had poor power for a while, no miss firing or smoke etc.
I was giving it a once over and spotted the "Mayonaise" on the inside of the oil cap.
Is there any common issues, head gasket, cylinder hed or other things tht can cause these issues?
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My Name: C3CAR

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Posts: 2614
Joined: Wed May 04, 2011 10:01 am
Model: C3 2002-2005, Original shape model
Year: 2002 (02)
Engine Size: 1.4 (16v)
Fuel Type: Diesel
Mileage: 140000
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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Been thanked: 88 times

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the_big_1 wrote:Hi Guys,

My friends C3 has had poor power for a while, no miss firing or smoke etc.
I was giving it a once over and spotted the "Mayonaise" on the inside of the oil cap.
Is there any common issues, head gasket, cylinder hed or other things tht can cause these issues?
I would check for any OBD codes stored, use a cheap OBD2 reader like one of these as poor power is not often the head gasket on these engines.

You can sometimes get a small quantity of mayo on the oil filler cap just through condensation so it not a test for head gasket failure itself. But you can get a kit to test for head gasket failure (combustion gasses in the coolant) here (on eBay) well worth testing before removing the head.
My Name: mcles00

Contributor
Posts: 8
Joined: Fri Mar 06, 2015 11:16 am
Model: C3 2002-2005, Original shape model
Year: 2003 (03)
Engine Size: 1.4
Fuel Type: Petrol
Mileage: 150000
Trim Level: Touch
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: LHD (Europe)

Post

watch out if your water bottle is losing water fast and you get overheat, the water may be mixing with oil inside the motor and you will need to fix motor joints!
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