P0104 Citroen C4 1.6HDI DV6TED4

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Markta
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P0104 Citroen C4 1.6HDI DV6TED4

Post by Markta »

Hi,

I still have p0490, 0409, 1351 and now a new code 0104 which I believe to be connected to the MAF.

Anyone with any thoughts on what this could be would be most welcome.

Thanks

wheeler
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Re: P0104 Citroen C4 1.6HDI DV6TED4

Post by wheeler »

A description of the fault you are having with the car & any symptoms would be helpful.

Markta
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Joined: 11 Apr 2020, 23:20
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Re: P0104 Citroen C4 1.6HDI DV6TED4

Post by Markta »

Have noticed a drop in fuel economy, even taking into account the colder weather.

Get an MIL ABS/ESP and depollution fault.

Engine seems to go into limp and is then fine next time engine is started but MIL still comes on after another 6 starts and restarts.

General issues are hesitation from 0mph and sometimes between 15-30mph, once car is up to speed, it drives absolutely fine.

I’m assuming t

Markta
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Joined: 11 Apr 2020, 23:20
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Re: P0104 Citroen C4 1.6HDI DV6TED4

Post by Markta »

I did take the car out last night with my laptop connected, collecting live parameter data, including turbo boost pressure, air intake, solenoids etc etc.

Haven’t had much chance to evaluate the data as yet.

RichardW
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Re: P0104 Citroen C4 1.6HDI DV6TED4

Post by RichardW »

Sounds like the EGR valve to me. Have a look on the live data and see what the reported position is doing in respect to the requested position. If it's wandering about or not achieving the target, then it's suspect.

Markta
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Joined: 11 Apr 2020, 23:20
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Re: P0104 Citroen C4 1.6HDI DV6TED4

Post by Markta »

DTC report as below:-

Diagnostic protocol
Session start: Saturday, 14 November 2020 18:25:01
Vehicle details
Manufacturer: Citroën
Model: C4
Year: 2007
ECU Information
System: Engine Diesel
ECU Name: 9HZ 1,6 Bosch EDC16C34
Information data
Parameter Value
Reference PSA 9653958980
Supplier Bosch
Software number 9662670780
Diagnostic version 10
Software version .07.00
Fault Codes - Actions
Time DTC Type Description
18:25:01.567 Read fault codes
18:25:01.710 Registered Faults
P0490 --- EGR valve stuck
P1459 --- EGR valve position recopy
P0409 --- EGR, valve jammed during programming
P1351 --- Pre-postheating relay control circuit fault
P0104 --- Air inlet sensor

18:25:27.451 Erasing faults
18:25:32.058 Erasing faults - End
18:25:32.058 Read fault codes
18:25:32.160 Registered Faults
-- No fault codes
18:25:35.090 Read fault codes
18:25:35.174 Registered Faults
-- No fault codes
Last edited by Markta on 17 Nov 2020, 22:57, edited 1 time in total.

RichardW
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Re: P0104 Citroen C4 1.6HDI DV6TED4

Post by RichardW »

Looks like time to get the EGR valve out then.

That data can't be in a test drive - all but the last 3 the engine is not running.....!!

Markta
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Re: P0104 Citroen C4 1.6HDI DV6TED4

Post by Markta »

These are some of the values captured during the test drive, the EGR values recorded as zero throughout the 15 miles travelled.
Maxi Ecu Capture.PNG
Maxi Ecu Capture (2).PNG
MaxiECU Capture (3).PNG
Maxi ECU Capture (4).PNG

Markta
Posts: 34
Joined: 11 Apr 2020, 23:20
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Re: P0104 Citroen C4 1.6HDI DV6TED4

Post by Markta »

So I cannot see anything glaringly obvious on the data, other than no reading on the EGR values at any revs / gear etc and a slight variance in air mass.

The EGR is quite new (Valeo) so I’m suspecting it’s a wiring issue. May try a BSI reset first unless anyone has any suggestions?

Thanks