Citroen dispatch 1.6

Louisking1 · Post by **Louisking1** » 11 Nov 2019, 17:49

Have a Citroen dispatch van 1.6 hdi been having problems with anti pullution light coming on and stalling while in traffic. Have replaced fuel rail pressure sensor few months back it helped for awhile but has came back with vengeance’s lol. Help guys. Pics of fault codes below

Hell Razor5543 · Post by **Hell Razor5543** » 11 Nov 2019, 18:16

Hi, and

to the forum. To add pictures to a post you need to use the "Full Editor and Preview" button, and then you will have the ability to upload images.

Post by **myglaren** » 11 Nov 2019, 18:24

Editing the images

Louisking1 · Post by **Louisking1** » 11 Nov 2019, 18:53

myglaren wrote: ↑11 Nov 2019, 18:24 Editing the images

Thanks for editing I’m a newbie to the forum lol

Post by **admiral51** » 11 Nov 2019, 18:56

Hi and welcome
Post your Vin number and it will be obscured to all but admins will appear as ************ to everyone else, trust me it will help them pinpoint what your vehicle left the factory with.
If you are unsure have a look at my profile, all my cars have the vin posted in it

Louisking1 · Post by **Louisking1** » 11 Nov 2019, 19:00

admiral51 wrote: ↑11 Nov 2019, 18:56 Hi and welcome
Post your Vin number and it will be obscured to all but admins will appear as ************ to everyone else, trust me it will help them pinpoint what your vehicle left the factory with.
If you are unsure have a look at my profile, all my cars have the vin posted in it

No problem I’m posting on behalf of my brother I’ll get the vin in the morning and post on here thanks

Louisking1 · Post by **Louisking1** » 12 Nov 2019, 18:09

One for the admins vin number is VF7**************[VIN obfuscated, can be read by forum staff]

Louisking1 · Post by **Louisking1** » 13 Nov 2019, 11:33

Anyone got ideas of the faults would be much appreciated thanks

Post by **GiveMeABreak** » 13 Nov 2019, 14:51

I'm just having a look now....

Post by **GiveMeABreak** » 13 Nov 2019, 15:12

Ok, here we go...

Fault P1113: Intake air temperature signal (Air flow meter): Open circuit or short circuit to the plus. The voltage of the inlet air temperature sensor signal is higher than 4.75V for more than 500 milliseconds.

Fault will disappear within 5 minutes of driving.

Downgrade Modes Activated:

Deactivation of the coherence faults of the flowmeter
Deactivation of the airflow faults above the minimum threshold
Change to "easy move" torque invalid (Automatic handbrake)

Engine Management Light will be triggered.

Symptoms: Hesitation, Engine Cutting Out

Suspect Areas:

Air temperature sensor on the flowmeter
Electrical Harness
Connector
Engine Management ECU

Fault P0093: High pressure fuel regulation: The fuel flow regulator opens less than the reference value.

Description:

A fuel high pressure regulation fault has already been returned
For an engine speed below 800 rpm: The difference between the measured rail pressure and the reference value of the fuel flow regulator is 350 bars for 900 milliseconds
For an engine speed above 800 rpm: The difference between the measured rail pressure and the reference value of the fuel flow regulator is 200 bars for 900 milliseconds

Downgrade Modes:

Engine stopped
Irreversible cutting of the cruise control
Deactivation of the automatic mode of the electrically controlled parking brake
Deactivation of the speed limiter

Symptoms:

Engine hesitating, cutting out
Diesel fuel consumption a bit higher
Fluid leak/smells (diesel fuel, oil, etc.)
Lack of power
Starting problem
Engine stopped

Suspect Areas:

Engine ECU (Software not up to date)
Poor fuel or polluted fuel (petrol, deposit, etc.)
Problem on the fuel low or high-speed circuit (hose, tank, diesel fuel filter, etc.)
Fuel injectors
Engine fuse box
Electrical harness
Fuel high pressure sensor

Fault P0087:High pressure fuel regulation: The measured rail pressure is too low in relation to the set point.

Description:

For an engine speed below 800 rpm: The difference between the rail pressure measured and the rail pressure setting is 350 bars for 1200 ms.
For an engine speed above 800 rpm: The difference between the rail pressure measured and the rail pressure setting is 200 bars for 1200 ms.

Downgrade Modes:

Cut in the exhaust heat recovery function
Cutting off of the cruise control function
Deactivation of automatic mode for the electronic parking brake
The ECU limits the fuel flow
The activation of the regeneration of the particle emission filter

Symptoms:

Jerking/stalling
Fluid leak/smells (diesel fuel, oil, etc.)
Lack of power
Starting problem

Suspect Areas:

Engine ECU (Software not up to date)
Poor fuel or polluted fuel (petrol, deposit, etc.)
Problem on the fuel low or high-speed circuit (hose, tank, diesel fuel filter, etc.)
Fuel injectors
Engine fuse box
Electrical harness
Connectors
High pressure fuel pump(Lack of pressure)
Fuel pressure regulator (Lack of pressure)
Fuel pressure sensor

Fault P1351:

I would ignore this one for the moment - very common in most HDi engines - it just means the glow plug relay is supplied, but the glow plugs themselves are not.

This will likely mean you need one or more glow plugs.

Louisking1 · Post by **Louisking1** » 13 Jan 2020, 23:26

GiveMeABreak wrote: ↑13 Nov 2019, 15:12 Ok, here we go...

Fault P1113: Intake air temperature signal (Air flow meter): Open circuit or short circuit to the plus. The voltage of the inlet air temperature sensor signal is higher than 4.75V for more than 500 milliseconds.

Fault will disappear within 5 minutes of driving.

Downgrade Modes Activated:
Deactivation of the coherence faults of the flowmeter

Deactivation of the airflow faults above the minimum threshold

Change to "easy move" torque invalid (Automatic handbrake)
Engine Management Light will be triggered.

Symptoms: Hesitation, Engine Cutting Out

Suspect Areas:
Air temperature sensor on the flowmeter

Electrical Harness

Connector

Engine Management ECU
Fault P0093: High pressure fuel regulation: The fuel flow regulator opens less than the reference value.

Description:
A fuel high pressure regulation fault has already been returned

For an engine speed below 800 rpm: The difference between the measured rail pressure and the reference value of the fuel flow regulator is 350 bars for 900 milliseconds

For an engine speed above 800 rpm: The difference between the measured rail pressure and the reference value of the fuel flow regulator is 200 bars for 900 milliseconds
Downgrade Modes:

Engine stopped

Irreversible cutting of the cruise control

Deactivation of the automatic mode of the electrically controlled parking brake

Deactivation of the speed limiter
Symptoms:
Engine hesitating, cutting out

Diesel fuel consumption a bit higher

Fluid leak/smells (diesel fuel, oil, etc.)

Lack of power

Starting problem

Engine stopped
Suspect Areas:

Engine ECU (Software not up to date)

Poor fuel or polluted fuel (petrol, deposit, etc.)

Problem on the fuel low or high-speed circuit (hose, tank, diesel fuel filter, etc.)

Fuel injectors

Engine fuse box

Electrical harness

Fuel high pressure sensor
Fault P0087:High pressure fuel regulation: The measured rail pressure is too low in relation to the set point.

Description:
For an engine speed below 800 rpm: The difference between the rail pressure measured and the rail pressure setting is 350 bars for 1200 ms.

For an engine speed above 800 rpm: The difference between the rail pressure measured and the rail pressure setting is 200 bars for 1200 ms.
Downgrade Modes:

Cut in the exhaust heat recovery function

Cutting off of the cruise control function

Deactivation of automatic mode for the electronic parking brake

The ECU limits the fuel flow

The activation of the regeneration of the particle emission filter
Symptoms:
Jerking/stalling

Fluid leak/smells (diesel fuel, oil, etc.)

Lack of power

Starting problem
Suspect Areas:

Engine ECU (Software not up to date)

Poor fuel or polluted fuel (petrol, deposit, etc.)

Problem on the fuel low or high-speed circuit (hose, tank, diesel fuel filter, etc.)

Fuel injectors

Engine fuse box

Electrical harness

Connectors

High pressure fuel pump(Lack of pressure)

Fuel pressure regulator (Lack of pressure)

Fuel pressure sensor
Fault P1351:

I would ignore this one for the moment - very common in most HDi engines - it just means the glow plug relay is supplied, but the glow plugs themselves are not.

This will likely mean you need one or more glow plugs.

Still having same problem anyplace or part in engine that I should look at first to fix problem

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