Engine Management System message flashing, down on power

Questions specifically about a Petrol powered Citroen C3 (usually engine or fuel related problems).
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Petrol engine related faults, like injectors, error codes, overheating.
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My Name: southampton71

Member
Posts: 1
Joined: Sun Apr 12, 2015 10:12 am
Model: C3 2006-2009, Facelift model
Year: 2007 (07)
Engine Size: 1.4 i
Fuel Type: Petrol
Mileage: 85000
Trim Level: Desire
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)

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Starting my C3 this morning, the computer displayed a flashing "engine management system" with low power while driving. Thinking there is a serious problem with the car, I turned it round after driving 100 metres and now it is at home. Is it worth "limping" it to my nearest Citroen dealer, about 7 miles away? Thanks.
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My Name: C3CAR

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Posts: 2815
Joined: Wed May 04, 2011 10:01 am
Model: C3 2002-2005, Original shape model
Year: 2002 (02)
Engine Size: 1.4 (16v)
Fuel Type: Diesel
Mileage: 140000
Trim Level: Exclusive
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Engine name: DV4 16-valve diesel (90 PS)
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Welcome to the forum southampton71
southampton71 wrote: Thinking there is a serious problem with the car, I turned it round after driving 100 metres and now it is at home.
Its serious enough that the ECU has put it into limp mode, it may be emissions - catalytic convertor or an injection fault, or something else.
southampton71 wrote: Is it worth "limping" it to my nearest Citroen dealer, about 7 miles away? Thanks.
Yes, if you mean drive, rather than tow.

It needs to be connected to at least an OBD2 reader to get the diagnostic code to diagnose the fault. They are cheap to buy and easy to use for the home 'DIY' mechanic.

OBD2 reader:
scan tool for citroen C3 engine management system flahing
scan tool for citroen C3 engine management system flahing
basic_engine_code_sacn_tool_for_citroen_C3_1369.jpg (15.97 KiB) Viewed 1197 times

The local Citroen dealer will connect the car to a more expensive tool to do the same diagnosis with error codes, several of the forum members have one and use it to diagnose faults on their cars, not so expensive when you compare with the hourly diagnostics charge at the dealer. BUT, its requires you to learn how to install it and use it. You can find out a bit about Diagbox/Lexia here



Interface part of the lexia system:
Image
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