Compare Citroen C3 fuel injection system repair quotes from specialist garages

Citroen's C3 model is brimming with quirky styling features and offers serious scope for customisation, delighting some drivers while alienating others. It is often praised for its comfortable interior and decent equipment levels (at a reasonable price), though it isn't as good to drive as other small cars and isn't very spacious for passengers in the back.

One of the C3's most significant selling points is its reliability. There are no known problems in the most recent iteration, though faulty electrics are a known weak point for earlier Citroen models. In 2023, the C3 won the 'World Urban Car' prize at the 19th World Car Awards.

When you accelerate, your car's throttle valve opens, and the fuel injectors spray fuel. How and when this fuel mixes with air depends on what system is used. Petrol engines use an indirect system, where fuel and air mix before entering the combustion chamber, while diesel engines use a direct system, where air and fuel only mix once in the chamber.

Unfortunately, fuel injectors can become clogged over time, in which case you should book a petrol or diesel injector cleaning service or buy a fuel injection cleaning kit.

Signs you may need to have your fuel injectors cleaned include engine misfires, poor fuel economy, rough idling, engine stalls and leaking fuel.

If cleaning the injector system doesn't work, you may need to book a fuel injector repair or fuel injector replacement, depending on the severity of the problem. A fuel injection specialist can offer advice specific to your vehicle.