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 Posted: Sat Sep 17, 2011 8:20 am |
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Joined: Sep 17, 2011
Posts: 4
Trade Rating: 0
Location: Essex
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Hi, just wondered if anyone can help, my car has been running lumpy and below power. Engine management light was on. Ran diagnostic on it and it says:
P0420 - Generic - Catalyst Efficiency below threshold (bank 1)
P0202 - Generic - Injector Circuit open - cylinder 2
P0203 - Generic - Injector circuit open - cylinder 3
Any ideas?
Its 2001 1.1 206.
Thanks
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Posted: Sat Sep 17, 2011 8:52 am |
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Joined: Jun 08, 2010
Posts: 1035
Trade Rating: +17
Location: North Manchester
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Thanks to lee you can look them up Here
{edit}
my bad , miss read what you put as you allready have what the faults are 
i'd say possibly faulty lambda and 2 faulty injectors
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Posted: Sat Sep 17, 2011 9:15 am |
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Joined: Nov 27, 2010
Posts: 11520
Trade Rating: +10
Location: What's it to you? ? ?
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Sounds like either:
NGK spark plugs have been fitted.
& / OR
Coil pack has the magic word SAGEM on it.
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Posted: Sat Sep 17, 2011 9:38 am |
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Joined: Feb 07, 2010
Posts: 13077
Trade Rating: +65
Location: England
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| MrBSI wrote: |
Sounds like either:
NGK spark plugs have been fitted.
& / OR
Coil pack has the magic word SAGEM on it. |
And the CAT, just give the car a blast down the lanes when you've sorted the plugs/pack
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Posted: Sat Sep 17, 2011 3:49 pm |
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Joined: Apr 09, 2011
Posts: 445
Trade Rating: +1
Location: letchworth
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ive got the p0420 code come up on my 206 aswell.. i no my car had a new cat back in jan time, has recently been serviced , ive given it a good blast up and down the motorway to clear it out and still hasnt worked. could it be a lamda problem?
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| if it dont scuff the ruff it aint low enuf | |
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Posted: Sat Sep 17, 2011 4:14 pm |
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Joined: Sep 17, 2011
Posts: 4
Trade Rating: 0
Location: Essex
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thanks for your replies i have put new plugs in and 1 new injector and cleared the codes runs a bit better but not much.
Will check the coil pack in the morning as for the lamda diagnostic said its ok so guess it might be the cat thanks for your help.
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Posted: Sat Sep 17, 2011 4:19 pm |
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Joined: Feb 07, 2010
Posts: 13077
Trade Rating: +65
Location: England
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What plugs?
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Posted: Sat Sep 17, 2011 4:30 pm |
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Joined: Sep 17, 2011
Posts: 4
Trade Rating: 0
Location: Essex
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not sure just some i had laying around for that car will look in the morning as car and bits not here.
Are ngk that bad and if thats whats in the car could that be doing it or not helping
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Posted: Sat Sep 17, 2011 4:33 pm |
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Joined: Feb 07, 2010
Posts: 13077
Trade Rating: +65
Location: England
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NGK play havoc with the misfire detection system, and cause premature failure of the coil pack
Bosch only
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Posted: Sat Sep 17, 2011 4:43 pm |
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Joined: Sep 17, 2011
Posts: 4
Trade Rating: 0
Location: Essex
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ok thanks
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