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[Warning Light] Fault Code P1161
#1
Hi,

Citroen Berlingo 2006, 1.4 Petrol, 65k miles.

Just had the yellow engine management light come on, and my OBD II scanner reader is showing code P1161, but I can't seem to find too much about this code. I have cleared the code now, the van seems to run ok at the moment and the code has not reappeared yet.

Any guidance would be greatly appreciated.

Thanks.
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#2
P1161: EGR throttle position copy signal : Valve jammed.

This is the official definition from Citroen.
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#3
(21-10-2022, 08:22 PM)Zion Wrote:  P1161: EGR throttle position copy signal : Valve jammed.

This is the official definition from Citroen.

Thank you.

Could you possibly give me some further guidance as to how to check/correct this fault, please?
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#4
You'd have to locate and clean / test / repair the EGR valve, it must be somewhere between the exhaust manifold and intake. No idea exactly where on the petrol engine though.

Normally this is a diesel fault, less likely in a petrol engine as they don't produce the sticky gum that diesels do. But, not impossible. They still often have EGR valves but I don't know the Citroen petrol 1.4 to that detail I'm afraid.
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2017 B9 1.6 BlueHDi Van
2012 B9 1.6 HDi Van
2008 M59 1.6 HDi Van
2003 M59 1.9D Van
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#5
(21-10-2022, 09:51 PM)Zion Wrote:  You'd have to locate and clean / test / repair the EGR valve, it must be somewhere between the exhaust manifold and intake. No idea exactly where on the petrol engine though.

Normally this is a diesel fault, less likely in a petrol engine as they don't produce the sticky gum that diesels do. But, not impossible. They still often have EGR valves but I don't know the Citroen petrol 1.4 to that detail I'm afraid.

I never heard the old (2006) petrol PSA engines to have an EGR valve. I have a PSA 1.6 (2007) and it certainly does not have one. I'll give that is 1.6, but not that extremely different than the 1.4 from that age. There is always a first of course.

I would be inclined to think that the code reader is misreading the fault or something of that nature. If I were the OP, I would try Diagbox/Lexia before starting looking at where the EGR valve might be.
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#6
My earlier 1.4 has the same engine and there is no EGR - I'd ignore the code as an issue if it doesn't come back and the engine is running well!
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  • AshleyP
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#7
There you go, another reason not to use generic code readers on Citroen's.

I must admit I'm not so clued up on petrol engines having had nothing but diesels for 20 years.
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