Post #1
My 6 is overfuelling and failed it's MOT. Have replaced the Lambda sensor and still just as bad. Is it worth trying an ECU reset before I do anymore sensor testing? Its got a daft sports cat if that makes any difference?
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displaying posts 1 to 9 of 9
| Author | Subject: overfuelling |
 mjt4130
Regular  Location: hessle Registered: 29 Sep 2009 Posts: 200 Status: Offline |
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 Posted 10th Jul 2014 at 18:31
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mjt4130
Regular Location: hessle Registered: 29 Sep 2009 Posts: 200 Status: Offline |
Post #2
Fast idle test: engine speed 2500-3000 co- 6.7% hc 292 lambda 0.847  |
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Posted 10th Jul 2014 at 18:47
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bigbadbowen
Seasoned Pro  Location: Winchester Registered: 21 Nov 2003 Posts: 13,752 Status: Offline |
Post #3
Failed its mot on what ? Emissions ? If so then yes the cat will be the problem |
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Posted 10th Jul 2014 at 18:47
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mjt4130
Regular Location: hessle Registered: 29 Sep 2009 Posts: 200 Status: Offline |
Post #4
Yes, failed on emissions. |
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Posted 10th Jul 2014 at 18:53
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bigbadbowen
Seasoned Pro Location: Winchester Registered: 21 Nov 2003 Posts: 13,752 Status: Offline |
Post #5
Sports cat will be the problem then |
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Posted 10th Jul 2014 at 19:14
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welshpug!
Capt Pedantic  Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,817 Status: Offline |
Post #6
not likely, the CO is massively high, the cat wont bring it down that far, check the green ecu temp sender.________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
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Posted 10th Jul 2014 at 19:21
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bigbadbowen
Seasoned Pro Location: Winchester Registered: 21 Nov 2003 Posts: 13,752 Status: Offline |
Post #7
welshpug! wrote: not likely, the CO is massively high, the cat wont bring it down that far, check the green ecu temp sender. Could be a combination of the more than one thing but I bet if you got a decent original cat emissions would come right down  |
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Posted 10th Jul 2014 at 19:30
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mjt4130
Regular Location: hessle Registered: 29 Sep 2009 Posts: 200 Status: Offline |
Post #8
The green sensor is next on my list as the cat is welded to the rest of the system- Its a Cobra sport made in situ type thing. |
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Posted 10th Jul 2014 at 19:47
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mjt4130
Regular Location: hessle Registered: 29 Sep 2009 Posts: 200 Status: Offline |
Post #9
New ECT sensor and still over fuelling so trying a cat next. |
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Posted 11th Jul 2014 at 19:12
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