[Engine] EGR 1.6 hdi - P0402 - case study

[V6BOY]

I blanked my ERG 5 years ago and never looked back sails the MOT every year aswel.

[jj9]

1.6hdi 110 2009 I have fap pressure accross filter fine. Everything checked. All actuators working, checked all wiring to ecu etc. Last resort I blanked off egr and car works a treat

I would have been decent of you to post a follow up on your other threads letting the many people who advised you that the problem was fixed following blanking the EGR valve !


These threads...

https://www.berlingoforum.com/thread-15525.html

https://www.berlingoforum.com/thread-15621.html


  

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[polar]

1.6hdi 110 2009 I have fap pressure accross filter fine. Everything checked. All actuators working, checked all wiring to ecu etc. Last resort I blanked off egr and car works a treat

1.6hdi 110 2009 I have fap pressure accross filter fine. Everything checked. All actuators working, checked all wiring to ecu etc. Last resort I blanked off egr and car works a treat

I would have been decent of you to post a follow up on your other threads letting the many people who advised you that the problem was fixed following blanking the EGR valve !


These threads...

https://www.berlingoforum.com/thread-15525.html

https://www.berlingoforum.com/thread-15621.html


  

.
jj i believe the citroen forum gave the same advice as some of us on here "replace the EGR with a decent one or blank it off" and i not sure rich informed them either?

[brajomobil]

1.6hdi 110 2009 I have fap pressure accross filter fine. Everything checked. All actuators working, checked all wiring to ecu etc. Last resort I blanked off egr and car works a treat

I'm having hard time believing that you can blank off EGR on your engine model
without changing maps in ECU firmware.

Best regards,
brajomobil

[GraemeT]

1.6hdi 110 2009 I have fap pressure accross filter fine. Everything checked. All actuators working, checked all wiring to ecu etc. Last resort I blanked off egr and car works a treat

I'm having hard time believing that you can blank off EGR on your engine model
without changing maps in ECU firmware.

Best regards,
brajomobil

On the 2007 1.6 hdi (92 HP) you can - it will throw a P0401 fault at times but there's no 'limp home' mode so not a problem for us.

[brajomobil]

On other forums somebody is always asking for EGR off in ECU firmware for
1.6 HDI 110. Also for 1.6 HDI 90. 
I must confess that this is first time I hear that 1.6 HDI 92 does not need EGR off
in firmware. Only blanking is needed. 
Thank you for that info. It would be good , for future reference,  If you can write your ECU number and model.

Best regards,
brajomobil

[V6BOY]

Mine is the 1.6HDI 75 with blanked ERG for last 5 year, let me get this straight so you can't blank the EGR on the 90bhp or 110bhp without getting  it deleted from the engine management?

[richieski]

I have not finished my diagnosis yet. The blanking worked for 3 days 300+ miles. The fault has returned but I think it could have been the blank that I installed failed. It was the cardboard type. So until I get time to strip it all down again to check I'm not sure if it is the solution or not. Once I am satisfied with a repair etc I will update all threads.

[polar]

What Carboard!? You are on the windup right!

[Tomcat3]

That's exactly what I thought Polar