C4 Grand Picasso - While Driving Cut-out - P2291

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findmak
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C4 Grand Picasso - While Driving Cut-out - P2291

Post by findmak »

Car: 2015 C4 Grand Picasso 1.6 HDI (MK2)

While coming back from a long journey, just as I got back in to my city, I felt my car judder, then it went into limp mode where I couldn't rev above a certain level.
As I drove further the car cut-out. I managed to re-start it immediately, managed to drive another 1km then it cut out again and wouldn't start.
I left it off for 5 minutes where it started again then drove another few hundred meters and cut-out again and then had to be towed to my local garage.
They mentioned that maybe it needed a new fuel filter which they changed and they cleared the codes but couldn't get it to start.

I have since got the car back home and I have connected diagbox and it is coming up with a few errors:
P1694
U0315
U1218
U1213
P2291

I cleared the errors and attempted to re-start but it cranks but didn't start. When I re-checked the errors it has the following again:
P2291 - The rise in pressure in the injection rail is too slow on starting (Permanent Fault)

It also has another Permanent Fault: B1175 15 - Additional Brake lamp control fault which it had before the above saga.

Any ideas on what could be the issue or what I need to look at?
Last edited by findmak on 12 Dec 2021, 10:58, edited 1 time in total.
RichardW
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Re: C4 Grand Picasso - While Driving Cut-out - P2291

Post by RichardW »

How long does it crank for when you press the button? Elsewhere seems to suggest that P1694 is associated with the crank sensor, although it talks about stop start system. Put the Diagbox back on, then see what the engine speed is when cranking and what the fuel pressure is doing.
findmak
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Re: C4 Grand Picasso - While Driving Cut-out - P2291

Post by findmak »

It keeps cranking until I press the start and stop button to stop it.
From the P2291 error it has the following values stored:
Engine Speed: 0183 rpm
Rail Pressure setting: 0220
Measured Fuel Pressure: 0013
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GiveMeABreak
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Re: C4 Grand Picasso - While Driving Cut-out - P2291

Post by GiveMeABreak »

Well for that PP2291 Fault there are a lot of possibilities!
Fault Code: P2291
Description of Fault: Starting monitoring: Pressure increase in the injection rail too slow when starting. Fuel injection common rail pressure increase time too long (Threshold at 700 ms when the coolant temperature is 5°C). Fault activated under Starting.
Conditions for Fault to clear: When starting a warm engine
Downgrade Modes whilst Fault is active: None Specified
Symptoms:
  • Starting problem
  • Fluid leak/smells (diesel fuel, oil, etc.)
  • Smoke from the exhaust
  • Slightly higher fuel consumption
  • Jerking/stalling
  • Lack of power
  • Engine stop downgraded
Suspect Areas:
  • Air leak on the fuel filter
  • Clogging of the fuel filter
  • Running out of fuel
  • Leak in fuel circuit (low pressure)
  • Fuel high pressure flow regulator
  • High pressure fuel pump
  • Leak on the high pressure fuel pipes
  • Leak on the fuel high pressure common injection rail
  • Fuel injectors
  • Electrical harnesses
  • Connectors
findmak
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Re: C4 Grand Picasso - While Driving Cut-out - P2291

Post by findmak »

Thanks Marc, I wonder if I should try adding more fuel and checking again.
The fuel filter has been replaced, I wonder if the garage didn't bother adding enough fuel and actually the fuel has run out?

When I originally bought the car it had an error about the fuel level gauge being incorrect, which I cleared and it hasn't come back. But maybe the level shown in my car is wrong and it has run out?
Would this match the symptoms of it starting and then cutting out when it happened originally, or does it potentially sound like something else?
Dormouse
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Re: C4 Grand Picasso - While Driving Cut-out - P2291

Post by Dormouse »

0183 rpm is low. does the engine sound slow when cranking?
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Re: C4 Grand Picasso - While Driving Cut-out - P2291

Post by GiveMeABreak »

This fault code specifically seems to be about starting a warm engine (as in where it has cut out and when you are re-starting the engine). Hard to say with your other previous issues, but looking at the list of suspects above, is would seem to indicate some sort of fuel starvation issue if I had to take a punt.

The rail pressure at cranking should be about 200 bar. When running:
Continuous maximum pressurePeak maximum pressureAccidental pressureUnit
165018502500Bar
So that pressure of 13 Bar is far too low if that reading is at cranking.

How long since the garage did this work and did they bleed the system correctly when they changed the fuel filter?

Obviously I would suggest you make sure you have plenty of fuel in the tank if you suspect the gauge as you don't want other issues clouding the problem.
findmak
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Re: C4 Grand Picasso - While Driving Cut-out - P2291

Post by findmak »

They changed the fuel filter about a week ago, I am not sure if they have bleeded the system correctly. The garage where I had it towed are a bit sloppy.
I will put some more fuel into the car as well.

On the fuel filter the empty plug is just a drain plug, is that correct?
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Last edited by findmak on 12 Dec 2021, 13:30, edited 1 time in total.
findmak
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Re: C4 Grand Picasso - While Driving Cut-out - P2291

Post by findmak »

Dormouse wrote:
12 Dec 2021, 12:32
0183 rpm is low. does the engine sound slow when cranking?

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The cranking is fast but because of cranking it so much it has slowed down the last time when I re-ran the diagnostics, it maybe due to this the rpm is low.
findmak
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Re: C4 Grand Picasso - While Driving Cut-out - P2291

Post by findmak »

I primed the fuel pump and managed to get it started, I cleared the errors while idling and it has the following errors keep re-appearing
P2291
U1133
U1134
U1400

Filled up the fuel and it doesn't stall when on now.
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Re: C4 Grand Picasso - While Driving Cut-out - P2291

Post by Dormouse »

Clear the codes again. P2291 is fuel pressure I think.
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Re: C4 Grand Picasso - While Driving Cut-out - P2291

Post by Dormouse »

Just read P2291 fully and in it is a reference to low engine oil pressure causing the PCM to countermand start up. Will read more.
findmak
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Re: C4 Grand Picasso - While Driving Cut-out - P2291

Post by findmak »

Have managed to get the P2291 code to clear and stay off by keeping the car on for a while.
But the following 3 codes don't seem to be going:
U1133
U1134
U1400

Is there a fuse for the alternator I need to check, if so which one is it?

Could it be my battery is dying and needs changing?Battery voltage is 11.971
Last edited by findmak on 12 Dec 2021, 16:03, edited 1 time in total.
Dormouse
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Re: C4 Grand Picasso - While Driving Cut-out - P2291

Post by Dormouse »

I suspect these are coms issues. Fully charge your battery and try again. These codes should clear and then allow for proper checks after that to see where you stand.
Measure your battery voltage now and put it up here and then fully charge the battery and start again.
findmak
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Re: C4 Grand Picasso - While Driving Cut-out - P2291

Post by findmak »

Currently the battery voltage is 11.971