2.0 HDI Limp mode

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PeteK82
Posts: 8
Joined: 18 Jun 2025, 13:59

2.0 HDI Limp mode

Unread post by PeteK82 »

Hello I have a 2.0 HDI 2013 Expert that throws it's into limp mode-hardly any power unable to climb a hill.

Brings on the EML and states Engine management fault. The only code is P0489 related to EGR.

It has 60k on the clock.

Seems to be when the throttle is depressed hard.

Previously removed and cleaned EGR valve and cooler. It wasn't that dirty.

My question is how likely is it to be thw EGR before I spend £265 on a delphi replacement.

Any other suggestions? Or way to check the EGR?

It does seem to have periods where the exhaust smells a lot worse and a bit of white smoke on start up sometimes.

Cheers Pete
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Sloppysod
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Joined: 23 May 2015, 23:35
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Re: 2.0 HDI Limp mode

Unread post by Sloppysod »

Sounds a bit to to like your particulate filter is clogged up.
Drive 20-30 miles at about 50mph steady throttle, one gear lower than you would normally, as you need to build up heat within the exhaust system and it should then automatically go into regen mode. hopefully this should fix it, if not afraid its diagnostics time.
Stu 🏴󠁧󠁢󠁷󠁬󠁳󠁿

"Some cause happiness wherever they go, others whenever they go"Oscar Wilde (1854-1900)
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PaulC5
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Joined: 06 Jun 2023, 15:26
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Re: 2.0 HDI Limp mode

Unread post by PaulC5 »

This topic gives a description for P0489 and things to check but the topic was not finished so we do not know what the solution was. Maybe you could unplug the egr valve connector and see if the fault code changes. If your code reader does live data see if the values look ok and note down the freeze frame data stored when the code was last stored before you delete it. viewtopic.php?t=71934
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PeteK82
Posts: 8
Joined: 18 Jun 2025, 13:59

Re: 2.0 HDI Limp mode

Unread post by PeteK82 »

PaulC5 wrote: 06 Apr 2026, 11:45 This topic gives a description for P0489 and things to check but the topic was not finished so we do not know what the solution was. Maybe you could unplug the egr valve connector and see if the fault code changes. If your code reader does live data see if the values look ok and note down the freeze frame data stored when the code was last stored before you delete it. viewtopic.php?t=71934
Thanks I'll have a look. I feel it's probably the EGR, I'll see if live data throws up anything re position of EGR. I have access to a snap on reader, but not sure if this is possibleto see. But wonder if the the peugeot software can show the position.

Cheers
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