Loss of engine power - squealing sound

Questions specifically about a Diesel powered C3 (usually engine or fuel related problems)
Please provide as much description including adding photos directly to the topic or videos you have uploaded via youtube as possible.
Forum rules
One question per topic.
No Gearbox questions
Diesel engine related problems
Think: Diesel engine, diesel fuel system, diesel injectors and glow plugs
My Name: vidarm

Contributor
Posts: 19
Joined: Mon Oct 01, 2018 6:39 am
Model: C3 Picasso
Year: 2013 (13)
Engine Size: 1.6
Fuel Type: Diesel
Mileage: 40000
Trim Level: NA
Gearbox: EGS - electronic 6 speed
DPF: Yes
LHD or RHD: LHD (Europe)
Engine name: DV6 16-valve diesel (92 PS)
Has thanked: 5 times

Post

Hi!

I was out driving and started to notice a faint "whistling" sound. Suddenly, there is a loss of power and the sound becomes a very high squealing sound instead. It varies in pitch and volume with how much throttle I use. There is a huge loss of power, as I was almost not able to accelerate at all. Could it be the turbo?

Thank.

Br,
Vidar
My Name: Citroen-Driver

C3 Master
Posts: 212
Joined: Mon Dec 18, 2017 12:10 am
Model: C3 Pluriel - with or without roof
Year: 2003 (53)
Engine Size: 1.6 (16v)
Fuel Type: Petrol
Mileage: 30000
Trim Level: VTR+
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Engine name: ET3 16-valve (90 PS)
Has thanked: 35 times
Been thanked: 38 times

Post

vidarm wrote: Sun Apr 14, 2019 11:57 am Hi!

I was out driving and started to notice a faint "whistling" sound. Suddenly, there is a loss of power and the sound becomes a very high squealing sound instead. It varies in pitch and volume with how much throttle I use. There is a huge loss of power, as I was almost not able to accelerate at all. Could it be the turbo?

Thank.

Br,
Vidar
Hi Vidar.

If you suspect the turbo, just remove the air intake to the turbo inlet to expose the inlet vanes. You can put your finger in there :o (obviously don't have the engine running) and the vanes should spin very freely with a minimum of finger movement.

Citroen C3 turbo vanes
Citroen C3 turbo vanes
Citroen C3 turbo inlet vanes
Citroen C3 turbo inlet vanes

Citroen C3 HDi turbo inlet pipe removal
Citroen C3 HDi turbo inlet pipe removal
My Name: vidarm

Contributor
Posts: 19
Joined: Mon Oct 01, 2018 6:39 am
Model: C3 Picasso
Year: 2013 (13)
Engine Size: 1.6
Fuel Type: Diesel
Mileage: 40000
Trim Level: NA
Gearbox: EGS - electronic 6 speed
DPF: Yes
LHD or RHD: LHD (Europe)
Engine name: DV6 16-valve diesel (92 PS)
Has thanked: 5 times

Post

Thanks! I'll have a look and let you know.

br,
Vidar
My Name: Citroen-Driver

C3 Master
Posts: 212
Joined: Mon Dec 18, 2017 12:10 am
Model: C3 Pluriel - with or without roof
Year: 2003 (53)
Engine Size: 1.6 (16v)
Fuel Type: Petrol
Mileage: 30000
Trim Level: VTR+
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Engine name: ET3 16-valve (90 PS)
Has thanked: 35 times
Been thanked: 38 times

Post

vidarm wrote: Wed Apr 17, 2019 6:00 pm Thanks! I'll have a look and let you know.

br,
Vidar
You can take a photo too so we can see if the vanes are damaged. Just take one like the pictures above.

How to attach photos? this tells you how


Other squealing sounds can be the cam belt tensioner bearing, but this doesn't usually come with a power reduction, but if the cam belt fails it becomes a total power off :o
My Name: vidarm

Contributor
Posts: 19
Joined: Mon Oct 01, 2018 6:39 am
Model: C3 Picasso
Year: 2013 (13)
Engine Size: 1.6
Fuel Type: Diesel
Mileage: 40000
Trim Level: NA
Gearbox: EGS - electronic 6 speed
DPF: Yes
LHD or RHD: LHD (Europe)
Engine name: DV6 16-valve diesel (92 PS)
Has thanked: 5 times

Post

I was able to get a diagnostic and here are the fault codes:

P0401 egr insufficient flow

P1459 Electric EGR valve position copy signal
Valve stuck open while driving

P0490 Electric EGR valve position copy signal
Valve opening too small.

P0409 is a generic trouble code relating to a problem incurred in the electrical circuit to the exhaust gas recirculation (EGR) valve.
  • Similar Topics
    Replies
    Views
    Last post