Mr Whippy
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| posted on 4/9/13 at 05:23 PM |
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Ideas needed to pass mot emissions
Hi
Really struggling this time, even cataclean in the tank had not got the zafira through, prob is the car has been off the road for a year and its not
insured so can't run properly.
It's the hydrocarbons that's the issue, just too high, also burning a bit off oil too. Was thinking of lowering the oil level right down
to the min so not much gets thrown around inside. No engine lights come on and the cats not very old. Engines at 120k which is quite high for a
vauxhall in my experience.
Needing bright ideas to get through the test
Thanks
Oh yeah it's a 1.6 multi point ecotec 2000
[Edited on 4/9/13 by Mr Whippy]
[Edited on 4/9/13 by Mr Whippy]
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britishtrident
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| posted on 4/9/13 at 05:33 PM |
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When hydrocarbons are the first thoughts are look for a misfire (plugs, coil packs, inlet manifold gasket leaks) and check both the lambda sensor
outputs are within spec.
[I] “ What use our work, Bennet, if we cannot care for those we love? .”
― From BBC TV/Amazon's Ripper Street.
[/I]
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cliftyhanger
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| posted on 4/9/13 at 06:03 PM |
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And what sort of cat was fitted?
If a budget one it may well be dead.
And may have been killed for the same reason the original one died. Catalysts are all too often used to mask a problem, in which case they have short
lives.
So investigate the misfire etc route.
BTW our zaffy is over 120k now, and despite beeding a little oil now and again, is running sweet as anything. Total outlay in th epast 9 years on
repairs is about £200, that includes 2 batteries.....
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britishtrident
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| posted on 4/9/13 at 06:42 PM |
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Forgot to ask what year is the car can't be a 1990?
[I] “ What use our work, Bennet, if we cannot care for those we love? .”
― From BBC TV/Amazon's Ripper Street.
[/I]
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Mr Whippy
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| posted on 4/9/13 at 06:45 PM |
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Oh yeah that's the bluebird, it's a 2000 model
Thanks for the good ideas so far
Cat was a cheap one changed just before the last mot. Car seems a run a bit rich.
[Edited on 4/9/13 by Mr Whippy]
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chaddy44
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| posted on 4/9/13 at 08:23 PM |
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hi
high hydrocarbons and the engine burning oil
as british trident said missfire etc
the engine burning oil will also cause high hydrocarbons
i run a garage/mot station if theres no missfire present then the first thing i'd do is use a forte engine flush and leave it running for an
extended time at least an hour minimum and then change the oil and filter use a good quality oil though
this has worked for us before and saved our customers a shed load of money
:-)
chaddy
www.stadiumgarageltd.co.uk
@StadiumGarage on twitter
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Mr Whippy
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| posted on 4/9/13 at 11:20 PM |
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Thanks for the advice, seeing the car worked well last time it may just be the long lay up that's really the issue. I'll fill it up with
more good fuel and run it tomorrow with the front axle in the air and in gear for an hour to give it a good work out and shove it back for a retest on
Friday.
If that fails then maybe get another cat..
[Edited on 4/9/13 by Mr Whippy]
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