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 Posted: Thu Jun 19, 2014 2:25 am |
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Joined: Jun 19, 2014
Posts: 19
Trade Rating: 0
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My faith full little Pug has failed her Emissions test as follows.
Fast idle
CO : Limit 0.30% actual 0.50%
HC : Limit 200ppm actual 150 ppm - Pass
\ : Limit .970-1.030 actual 1.071
second Fast idle
CO : Limit 0.30% actual 0.58%
HC : Limit 200ppm actual 201 ppm
\ : Limit .970-1.030 actual 1.051
Any advise where to start to sort this out ?
Was thinking new cat and clean Lambda sensor ?
She is an old girl at T reg but only done 85K, and did have a loose joint to the back box.
Thank you
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Posted: Thu Jun 19, 2014 3:28 am |
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Joined: Jan 29, 2011
Posts: 6526
Trade Rating: +10
Location: Westhoughton, Lancashire
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When was the car last serviced?
Are you using supermarket fuel or something like Shell V Power?
A good hard run on a motorway can be enough to give it a clean out and reduce the emissions to a passable level.
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Posted: Thu Jun 19, 2014 6:39 am |
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Joined: Jun 19, 2014
Posts: 19
Trade Rating: 0
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I was given the car in Oct last year, but no idea when last had service.
Buying some Bosch super4 plugs today and have used up the last of supermarket fuel with redex in it. Now filled up with Shell advance.
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Posted: Sun Jun 22, 2014 8:45 am |
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Joined: Feb 07, 2010
Posts: 2632
Trade Rating: +6
Location: Rugby,Warwickshire
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Pay for a service. Its cheaper than you'd think.
You'll probably need a new lambda sensor too as it looks like your fuel is running rich
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Posted: Sun Jun 22, 2014 11:28 am |
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Joined: May 22, 2014
Posts: 20
Trade Rating: 0
Location: Colchester
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Full service, ie plugs air filter and oil change. Check for air leaks. Probably a service and half decent thrash on a dual carriageway with sort it 
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| drives a little green deep fat fryer. 1.4 hdi sw. | |
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Posted: Sun Jun 22, 2014 2:24 pm |
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Joined: Jun 19, 2014
Posts: 19
Trade Rating: 0
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Thanks Pepole.
I have put new exhaust on inc cat,super 4 plugs and V Power fuel = CO level worse.
Going to do oil flush and change, oil filter and Lambda sensor tomorrow.
The car is solid no rust anywhere and only failed MoT on this, but does have I think, a head gasket problem and needs new clutch.
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Posted: Mon Jun 23, 2014 2:49 pm |
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Joined: Jun 19, 2014
Posts: 19
Trade Rating: 0
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Done Lambda sensor, oil and filter change - Still wont pass Mot.
Failing on Co still at 0.60 !!
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Posted: Tue Jun 24, 2014 1:02 am |
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Joined: Jan 29, 2011
Posts: 6526
Trade Rating: +10
Location: Westhoughton, Lancashire
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Have you changed the air filter?
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Posted: Tue Jun 24, 2014 7:16 am |
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Joined: Jun 19, 2014
Posts: 19
Trade Rating: 0
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I took the air filter out for test !
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Posted: Tue Jun 24, 2014 9:03 am |
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Joined: Nov 27, 2010
Posts: 11520
Trade Rating: +10
Location: What's it to you? ? ?
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| TattyWater wrote: |
| I took the air filter out for test ! |
FFS 
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| Toyota C-HR GR Sport 2.0 Hybrid with JBL & Alcantara packs. | |
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Posted: Tue Jun 24, 2014 1:22 pm |
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Joined: Jun 19, 2014
Posts: 19
Trade Rating: 0
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Tell me about it, put on new cat,lambda sensor,super 4 spark plugs,new oil and filter,dosed the tank of shell v power with redex, spent best part of £200 and the fecking CO reading is no better !!
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Posted: Tue Jun 24, 2014 1:37 pm |
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Joined: Apr 05, 2013
Posts: 79
Trade Rating: 0
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No offense but does it not occur to you to try putting a new air filter back in and then re testing it 
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Posted: Tue Jun 24, 2014 2:43 pm |
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Joined: Jun 19, 2014
Posts: 19
Trade Rating: 0
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Car is running too rich, hence no air filter = maximum amount of air going in to help weaken mixture.
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Posted: Tue Jun 24, 2014 4:03 pm |
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Joined: Feb 07, 2010
Posts: 2718
Trade Rating: +6
Location: UK
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| TattyWater wrote: |
| Car is running too rich, hence no air filter = maximum amount of air going in to help weaken mixture. |
More air means more fuel. Put the filter in.
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Posted: Tue Jun 24, 2014 6:11 pm |
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Joined: Feb 07, 2010
Posts: 2874
Trade Rating: +4
Location: Chichester, Sussex
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This has to be a joke?
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