Citroen C1 Maintenance Guides - Common Citroen C1 Repair Questions Answered

The Citroen C1 is the French manufacturer’s long-standing city car, well-equipped with low-running costs.

For the many C1 drivers in our network, we have compiled the most frequently asked questions about the Citroen motor.

Car Maintenance Guides>Citroen C1 Maintenance Guide

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Citroen C1 Tyre Pressure

What is the recommended tyre pressure of a Citroen C1?

The tyre pressure of your Citroen C1 will differ dependent on model series, year and country of manufacture.

For the 2018 C1, recommended pressure is between 32 and 34 psi. Which is equal to between 2.2 and 2.3 bar.

You can find the accurate values for your vehicle in your owner’s manual or on your tyre placard.

Where can I check my Citroen C1 tyre pressure?

The tyre pressure of your C1 can be checked at any petrol station (where it can also be amended), as well as by a mechanic at a garage.

You can check your C1 tyre pressure yourself with a handheld tyre pressure gauge, these cost around the £10 mark and give accurate readings wherever you are.

What should I do once I see a tyre pressure warning?

You will receive a tyre pressure warning when the TPMS light illuminates on your dashboard.

This ought to prompt you to check your tyre pressures ASAP. Once these have been checked and amended, drive off again carefully.

If the light goes out, you are good to go! If it remains illuminated try resetting your TPMS light (see below) or check to see if you have a puncture.

How do I reset a Citroen C1 tyre pressure light?

For 2015-2020 Citroen C1 TPMS warning light:

Firstly, make sure all tyre pressure levels are correct.

Switch ignition on but do not start car.

Open glove box, pretty TPMS reset button in until warning light blinks three times.

Leave ignition on ‘ON’ for a few minutes than switch off.


Citroen C1 Warning Lights

What do the warning lights mean on a Citroen C1?

The Citroen C1 dashboard warning lights illuminate to alert drivers of issues with the car components.

With each light signposting a certain issue with your car and acting as a call to action.

Red warning lights point to a more serious issue that requires immediate attention.

An amber or yellow light should push you to inspect the corresponding area but with no instantaneous urgency.

Green lights are purely informational rather than a call to action.

What does a Citroen C1 emissions control system warning light mean?

This light’s illumination has one of two meanings, either there is an exhaust emissions fault where the catalytic converter faces damage.

Or there is a major unidentified fault with the vehicle. Regardless of the meaning make sure to contact a Citroen specialist for repair via Who Can Fix My Car. 

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Citroen C1 Service Intervals

When are Citroen C1 service intervals?

Alongside your legally obliged MOT, Citroen advise that your C1 goes in for a full service annually, as well as or including an oil and filter change.

If your monthly mileage is extremely high, it is advised that you also go in for an interim service.


Citroen C1 Common Problems

Are starting problems common with the Citroen C1?

A relatively common issue with the C1 is a failing starter motor.

This is a result of the electric motor burning out, if you are experiencing this issue regularly, make sure to visit a mechanic whom can fit a timer which will reduce the motor burning.

My Citroen C1 exhaust is excessively loud, is this normal?

An angry growling noise escaping from your rear exhaust signposts an issue with the back box of your exhaust system.

To eliminate this issue, the rear of the exhaust must be replaced by a trained mechanic


Citroen C1 Oil

What the best oil to use for a Citroen C1?

The best engine oil to use in the Citroen C1 is a fully synthetic motor oil, preferably the grade 5W-30, or failing that 10w40. Refer to your owner’s manual if you are unsure.

What is the oil capacity for a Citroen C1?

The engine oil capacity of your Citroen C1 differs widely across the model due to series, engine size, country of manufacture and year.

Therefore, we would always recommend that you check for the value in your handbook. Most often, the C1 capacity is around 3-4 litres. 


Citroen C1 Car Battery

What are the symptoms of a dying car battery?

Your car battery lasts an average of 3-5 years, however the C1 is not immune to premature wear and tear.

Often, a battery can die ahead of the regular lifespan, but to prevent you from being stuck on a roadside, there are some tell-tale signs of battery failure you can look out for.

Signs that your battery is dying:

Swollen or misshapen battery case

The battery connectors are corroded

Slower cranking engine

Electronics not working as effectively

Dimmer car headlights

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