Misfire

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: Cooter

Member
Posts: 1
Joined: Wed Dec 06, 2017 7:00 pm
Model: C3 2002-2005, Original shape model
Year: 2002 (02)
Engine Size: 1.4 (8v)
Fuel Type: Petrol
Mileage: 73000
Trim Level: SX
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Engine name: TU3 (75 PS)

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Hi all, sorry if this posted b4 I have a random misfire on my Citroen c3 1.4i sx year 2002 so far I have changed the spark plugs coil pack and lambda car idels ruff and exhaust sounds puffy still have the misfire am at a loss now as to what else could cause this many thanks
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My Name: Arfur Dent

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Posts: 3547
Joined: Sat Jul 23, 2011 3:47 pm
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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Gareth Burgess via Facebook wrote:I've just dealt with this exact issue so I hope I can help. My misfire was a combination of worn spark plugs, a failed fuel injector and a slipped cambelt.
I diagnosed the injector with the Diagbox OBD software although a fault code reader should be able to give you an idea.
The spark plugs are self explanatory. If they are NGK get rid and replace them. 0.9mm spark gap.
Checking the cambelt timing is a little more involved, if the injector replacement doesn't fix your issue.
Thanks Gareth Burgess :)

You can find a Diagbox OBD from This Link (here) and always the step after the basic checks, it pays for itself with only one use :D

You can also find them on Amazon, by clicking here :).

There is a known fault with the injectors on some models you can find about that injector fault in this topic (here).

Bosch spark plugs are available by clicking here :).
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