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Limping
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BlackDog   
Fri Mar 03 2017, 08:20am
Joined: Feb 18 2017
Member No: #3013
Location: Lisburn
 I've had my 2007 2.7 C6 for a week now and the "engine depollution fault" warning has been coming and going. This morning it's on and the car is limping along. Struggling to get over 30 and gutless in getting there. I'll get the fault codes read as soon as I can but any ideas in the meantime?
BlackDog   
Fri Mar 03 2017, 09:09am
Joined: Feb 18 2017
Member No: #3013
Location: Lisburn
 Went back to the car an hour later and the fault had cleared. The fault log has gone too. Will that mean the fault code reader won't pick up the history?
cruiserphil   
Fri Mar 03 2017, 11:13am

Joined: Jan 24 2010
Member No: #38
Location: Celbridge
 The faults will remain stored on the ECU until you read and then erase the faults with Lexia/Diagbox or a compatible fault code reader.

Best regards,

Phil C.
BlackDog   
Fri Mar 03 2017, 06:36pm
Joined: Feb 18 2017
Member No: #3013
Location: Lisburn
 That's great.
Thanks Phil.
e3steve   
Tue Mar 07 2017, 12:36pm
Joined: Jan 21 2013
Member No: #1163
Location: Warsash, Hants & Palma de Mallorca, Spain
BlackDog wrote ...

Went back to the car an hour later and the fault had cleared. The fault log has gone too. Will that mean the fault code reader won't pick up the history?

Many faults will clear and extiguish the EML after the third re-start of the engine. They still remain stored in the ECU, though, until cleared via Lexia/Diagbox (as Phil has stated).
 

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