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 Posted: Mon Dec 01, 2014 1:49 pm |
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Joined: Jun 24, 2012
Posts: 305
Trade Rating: +1
Location: nottingham
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my 1.4 petrol as failed on the emissions but only on idle.
I have now changed the plugs.air filter.oil and filter anything else I can do?
oh yes 6 months ago had a new cat and exhaust as well
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Posted: Mon Dec 01, 2014 1:51 pm |
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Joined: Feb 07, 2010
Posts: 898
Trade Rating: +5
Location: Melton Mowbray Leicestershire
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What reading has it failed on?
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Posted: Mon Dec 01, 2014 3:32 pm |
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Joined: Jun 24, 2012
Posts: 305
Trade Rating: +1
Location: nottingham
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richpowell91
carbon monoxide content at idle excessive
carbon monoxide content after 2nd idle excessive
hydrocarbon content after 2nd fast idle excessive
and
exhaust emissions lambda reading after 2nd fast idle outside limits
ceers
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Posted: Mon Dec 01, 2014 7:38 pm |
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Joined: Aug 04, 2011
Posts: 1343
Trade Rating: 0
Location: Swindon
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Check for exhaust leaks. Scrunch up a rag and hold it over the end of the exhaust. While doing that get a mate to check under the car and under the bonnet listening carefully for leaks or damp (water) at a joint.
As well as being caused by a small exhaust leak it could be cheap cat not working correctly. It could also be lambda sensor beginning to fail or injectors not working correctly.
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| Morris 1000, Austin 1100, Escort Mk2, Fiat Mirafiori, Alfa 33, Alfa GT Junior, Alfasud, Alfetta GTV (2x), Alfa 164 3.0 V6, Alfa 164 2.0, Alfa 75 V6, Alfa 156 2.4 (diesel remapped 200bhp), Alfa 147 GTA (3.6 295bhp), Alfa 159 (diesel remapped 245bhp 300ft.lbs @ 2500rpm)
Why isn't my daughter an Alfaholic? | |
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Posted: Tue Dec 02, 2014 8:38 am |
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Joined: Aug 22, 2013
Posts: 87
Trade Rating: 0
Location: Morecambe
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Stick some redex in it and take it for a good run before re-testing it.
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Posted: Wed Dec 03, 2014 10:33 am |
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Joined: Aug 04, 2011
Posts: 1343
Trade Rating: 0
Location: Swindon
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Just looked again at this post. With both high HC and CO I suspect even more strongly exhaust leak causing the car to run rich (inject excess fuel.)
Start with checking exhaust for leaks and report back.
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| Morris 1000, Austin 1100, Escort Mk2, Fiat Mirafiori, Alfa 33, Alfa GT Junior, Alfasud, Alfetta GTV (2x), Alfa 164 3.0 V6, Alfa 164 2.0, Alfa 75 V6, Alfa 156 2.4 (diesel remapped 200bhp), Alfa 147 GTA (3.6 295bhp), Alfa 159 (diesel remapped 245bhp 300ft.lbs @ 2500rpm)
Why isn't my daughter an Alfaholic? | |
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Posted: Fri Dec 05, 2014 3:56 pm |
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Joined: Jun 24, 2012
Posts: 305
Trade Rating: +1
Location: nottingham
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| kandlbarrett wrote: |
Check for exhaust leaks. Scrunch up a rag and hold it over the end of the exhaust. While doing that get a mate to check under the car and under the bonnet listening carefully for leaks or damp (water) at a joint.
As well as being caused by a small exhaust leak it could be cheap cat not working correctly. It could also be lambda sensor beginning to fail or injectors not working correctly. |
you win the prize
exhaust wasn't leakin.but the new[cheap]cat had failed a new cat and she passed.
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