C4 - DS4 Owners :: Forums :: Coupe and Hatch Pre 2011 cars :: Technical Questions |
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C4 FAP/Additive ECU |
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C4HDI |
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Hi does anyone know where the FAP / diesel additive ECU is located. I've had the additive topped up and the filter cleaned but I'm still getting the depollution fault coming up and the engine light on. The counter has been reset to zero by the garage and I've also tried disconnecting the battery and resetting the ECU, which works for about 5 mins of running. I've read somewhere that if I remove the FAP ECU and clean the contacts and replace it, that sometimes works (trying the cheap solutions first!) does anyone know where it's located on the car as I can't find any reference to it for the C4 (2.0HDi). Thanks Tim. |
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Phil |
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Member No: #406
Joined: Jun 16 2007Location: Stafford |
It's tucked up behind the glovebox, heater box side. | ||
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C4HDI |
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Thanks, by behind the glovebox, do I need to remove it? | ||
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Phil |
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Member No: #406
Joined: Jun 16 2007Location: Stafford |
Alot easier if you remove it. | ||
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WizardofChaos |
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After following this thread and taking out the fusebox/BSI unit from under the glove box the only module I have there is the alarm module but have a blue coloured multi plug that's not plugged into anything . Any advice info on where the additive ECU may be would be of great help. Please see pic |
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Dave_Retired. |
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Member No: #1
Joined: Aug 07 2006Location: Northumberland |
That location is where Phil, who works for Citroen said it was on a pre 2011 Coupe or Hatch. | ||
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smartcuror |
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Member No: #29348
Joined: Feb 15 2013Location: london |
Hello, In searching for the additive ecu behind the glovebox, i came across these 2 connectors on the right hand side of the glove box. Could one of these be the related to the additive pump on a C4 GP 1.6 HDI EGS? Thanks |
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