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Author Topic: MOT Failure - a little help :(  (Read 2922 times)

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Gaffers

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Re: MOT Failure - a little help :(
« Reply #15 on: 29 March 2007, 16:29:16 »

I doubt she was watching the lambda reading while the CO read out was going up and down?  If the voltage was going up and down too I would suggest a buggered lambda but worth checking before forking out all that dosh


either that or the cat just needs a good thrashing on the motorway to clean out good n proper
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Kevin Wood

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Re: MOT Failure - a little help :(
« Reply #16 on: 29 March 2007, 17:39:58 »

I think if it's only just outside the limits the previous advice about making sure everything's serviced and clean around the engine, making sure it has fresh fuel and giving it a bit of a run is sound, and may bring it inside.

If the idle's a bit unstable take particular care to ensure the IACV is clean and sealed to the plenum, that the air filter and breathers are clear and the throttle body is clean. Plugs and plug leads will be worth a check too.

Kevin
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