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DS4 - Another Dying fuel Pump?
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Author Post
Fred70   
Mon Dec 20 2021, 12:15pm
Member No: #59223
Joined: Dec 19 2021
Location: Midlands
 Hey all.

Been googling for a few days and cannot find an exact answer to an issue with our DS4 Sport Petrol 1.6 Thp 200 with 36k miles on the odometer.
Couple of weeks ago whilst driving the car it started to splutter and eventually stalled. The radiator fan was running at full speed for at least 5-10 mins even though it wasnt over heating.
I had my code reader with me and got the following codes

1. P0087 - Fuel Rail/System Pressure - Too Low
2. P1336 - Control of Injector for cylinder n�1 : Injector Voltage too low
3. P1337 - Control of injector for cylinder n�2 : Injector voltage too low
4. P1338 - Control of injector for cylinder n�3 : Injector voltage too low

After leaving the car off for a few mins, clearing codes, and restarting it was fine and drove the 75 miles home and was ok for a couple of weeks. But the fault returned. Now the car starts with engine faults (same as above). and the cooling fan still runs for about 5-10 mins even with no key in the ignition and still cold?
Could this be a failing fuel pump which I read is common. Car still drives but lacks any power and splutters

Many Thanks for any suggestions people may have.
Fred70   
Thu Dec 23 2021, 05:52pm
Member No: #59223
Joined: Dec 19 2021
Location: Midlands
 It was a failing fuel pump.

The fuel pump was only making 35 bar of pressure instead of the required 50 bar.

[%*^#@!] poor for a car thats done 35k miles imo.
DeuxChevaux   
Fri Dec 24 2021, 02:45am
Member No: #16472
Joined: Nov 21 2010
Location: North Norfolk UK
 Well done identifying the fault and posting the result, it will no doubt help someone else if the same happens to them
vexorg   
Fri Dec 24 2021, 10:40am
Member No: #48843
Joined: Jul 06 2017
Location: Scotland
 50 bar for a petrol engine??
 

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