Citroen C4 Engine & Drivetrain Problems

Replacement EGR and turbo control valves fitted in August and September 2023, and leaking throttle box replaced 28th March 2024. by my local independent garage .Fine until problem recurred last night on section of M25, but after about 35 mi...

I have a clunk when changing from 1st to 2 nd. I had engine mounts changed and had new transmission fluid change. All other gear changes normal reverse and kick down ok. Can you advise me please.

New battery fitted 3 days ago, car now won't start, doesn't crank at all, car was struggling to start and was clunk noise when it eventually did, when running is smooth with no other issue's.

The car makes a noise from the engine. The wierd noise is only heard if i leave the car idling in D (drive) or when i am reversing and on take off until reaching speed of 30km/hr. However the noise is silent if the car is idling in Park or ...

Same problem as below. I've changed battery and fuse box but it has happened again last week.

After travelling some distance in hot weather and stopping the car doesn't start. I have replaced the battery and the fuse box recently but it happened a week ago. Any answers please

Since the last oil change I have already refilled the level with 0.7 liters in 3000 km. Is this normal? On a mixed circuit

Called AA Excessive white smoke and service light on, fault diagnosis possible faulty EGR AA stated excessive smoke could be caused by turbo seals gone, excessive white smoke with urine smell caused by Adblue system over compensating for e...

Mileage 60k. While driving (random range , random speed and RPM and engine temp) engine starts to jitter. Check engine lamp appears. When ignition is turned off and on again it is possible to drive further without any troubles. While scanne...

I was driving and suddenly two errors occured. One is gearbox fault and engine fault (Spanner symbol comes out). But i tried to change thr transmission from P, R, N, D, and even manual mode everything was fine. The car is Citroen C4. Please...

Hello, last month I bought C4 Picasso 2013 (68kW, 1.6HDi) from private seller. Car worked good, but now sometimes when I start the engine, goes to fault "Parking brake fault: Have the vehicle repaired" and "Gearbox fault: Have the vehicle r...

Car engine stalled fan belt was broken when fixed car refused to keep idling and can't rev up.

My car was going in to limp mode for no reason the computer found the egr valve was the problem so it was replaced to find out it still happens put it back on the computer it was the break switch under passenger side we replaced it and it h...

Ignition on, dashboard opens,lights etc working but engine does not turn over

Same problem as above

CAR HAS FULL TANK NO WARNING LIGHTS BUT STARTS TO PULL BACK AND JUDDER LIKE ITS ABOUT TO RUN OUT

I had an older C4 semi automatic and loved the semi automatic gearbox. This one has no handbrake. It's idling revs cycle up and down by 300 rpm when I try to crawl into a parking space. The brakes can not be applied gently either. I have be...

Hi I have loud humming/ vibration noise coming through car, it does get louder when pressing harder on accelerator. Car still drives great. And no pulling to steering. Thanks

car drives fine then when slowing to turn will cut out instantly restarts when started again somedays will somedays wont

At low rpm in 1st, 2nd and reverse gears the car will shudder and eventually stall when set to automatic, if driven in manual it appears to drive fine in all situations and gears. every so often the dashboard will display a dpf fault which...