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Old 09-04-13, 07:25 PM   #1
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Default Intermittent Faults (1st post virgin)

Hi everybody. I have got a Peugeot 407 sport 2.0 HDI 2006.High mileage
129K but in perfect nick and a full service history. It has an occasional problem with rough idle and occasional flat spots and poor mpg (mixture of mways and A roads, but mostly mways) 36mpg !
I recently bought a Planet and got the following information from it.
Showing three faults:
Intermittent Fault. Injection system supply relay circuit (1 stage). Opening too rapid or relay jammed when the engine is switched off.

Intermittent Fault. Fuel Pressure Regulator Control. Rail Pressure too high.

Intermittent Fault. Fuel Pressure Signal. Rail pressure coherence.
First Peugeot/Diesel ive ever owned and not too familiar with them. Do the three faults point to one particular component or could it be a number of things.

Ta
Jeff
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Old 10-04-13, 10:02 AM   #2
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Default Need a Quote For Work

I have just bought a cam kit inc water pump for 407 2.0 HDI and I would like a quote from anyone in the Lancashire Area (close to Chorley as possible) to fit them.... for beer tokens.....or proper invoice

Jeff
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Old 10-04-13, 10:06 AM   #3
davidireland
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When was the fuel filter changed last. Partially blocked filter will cause the fuel pressure faults. The other relay faults are in all of them and don't cause problems.

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Old 10-04-13, 10:55 AM   #4
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Hi David Thank-you for your reply. The car had a major service by the previous owner (Got the Invoice) 2k mile ago and it included a change of fuel filter.
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Old 10-04-13, 10:59 AM   #5
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Forgot to mention. I've cleaned the MAF sensor and also tried Millers Fuel additive, no change though
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Old 10-04-13, 12:05 PM   #6
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Check the quality of the diesel also.

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Old 11-04-13, 10:24 AM   #7
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Ok thanks David.....any other thoughts
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Old 13-04-13, 02:32 PM   #8
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Still getting rough idle and occasional flat spot when flooring accelerator.
Anybody got any other suggestions
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Old 16-04-13, 10:25 AM   #9
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Hi David.

Does the 407 2.0 HDI have an inline fuel filter too ?
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Old 16-04-13, 10:40 AM   #10
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Is it missing? Around 1500-2k rpm?

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