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FAQ
Category: Known issues
Reset a C4 Cruise control with a service lamp and "Speed Control System Faulty" error message
7.2 - 15 votes
C4 red 'STOP' light and warning beep + the computer says 'Engine temperature too high'
10.0 - 2 votes
C4 vts 2.0 steering wheel shaking like a mad cow?
10.0 - 3 votes
C4 engine cuts out in traffic at idle - when clutch is depressed
10.0 - 1 vote
C4 speedo keeps flickering, with general beeps etc when turning the engine on
C4 Alarm goes off when parked in High Winds?
9.0 - 2 votes
Headlight Levelling and or Directional Headlight Fail
6.2 - 4 votes
Heating fails to adjust to the temperature you set
9.2 - 40 votes
C4 Coupe Door Handles stick?
7.5 - 4 votes
2.0 HDi Engine issue
5.5 - 2 votes
2.0 HDi knocking from Right side wheel arch area?
10.0 - 2 votes
Tailgate Lock Failure?
8.6 - 12 votes
My clutch feels strange?
6.6 - 5 votes
VTS/Exclusive the 'follow round corner' headlights - droop!
1.6 Petrol engine noisy tappets when cold?
9.0 - 10 votes
C4 Picasso worn or broken locking wheel nuts
5.5 - 2 votes
C4 1.6 HDi Oil Changing and Turbo Failure
9.6 - 15 votes
C4 2.0L HDi EGS - Loss of Auto, paddle shift and cruise!
10.0 - 3 votes
Why the windscreen washers won't work
10.0 - 15 votes
Petrol C4 doesn't start or takes a lot of starting?
10.0 - 3 votes
C4GP Sticking Fuel Filler Cap
9.4 - 5 votes
C4 Brake lights work intermittently
10.0 - 3 votes
Engine vibration then electrical failures
5.5 - 2 votes
2.0 HDi ESP warning light constantly on?
9.5 - 4 votes
Starter Motor fuse keeps blowing
9.8 - 12 votes
C4GP Windscreen Wiper failure
C4 HDi fails to start and fuel system needs priming
1.0 - 1 vote
C4 Starter Motor fails to turn over engine
10.0 - 6 votes
C4 Coupe and Hatch lower front windscreen seal
6.4 - 9 votes
There's a knocking noise from the rear of my C4
10.0 - 7 votes
C4 Headlamp Adjuster switch doesn't work.
10.0 - 2 votes
My doors rattle or have a hollow sound
7.8 - 6 votes
C4 Depollution System Faulty / Engine Management Light on
6.2 - 9 votes
Fuel smell in passenger cabin or leak
9.0 - 3 votes
C4 Grand Picasso can't lock the car.
Air Conditioner - Water is leaking into the foot wells on both sides of the vehicle
9.5 - 26 votes
STOP. Oil pressure too low
8.4 - 7 votes
Find out why a C4 cooling fan not coming on.
4.0 - 2 votes
C4, DS4 and C4 Picasso - Common Problems
9.3 - 24 votes
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C4 Coupe Door Handles stick?
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