Vehicle & Technical > Discovery

MOT question - Do I need a catalytic converter in my 95 300TDi for the MOT??

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stageonesimmo:

--- Quote from: freeagent on January 03, 2008, 22:09:11 ---its not a CAT, its a particulate filter

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Sigh, what do I know eh?............

Look at the parts list or the manual and it'll tell you clear as day its a cat.  Look on nay of the exhaust suppliers lists - again, its a cat.  The main reason for the confusion is the lack of Lambda sensor - its not needed on a diesel as theres no method of altering the ignition map as a result of the feed-back from the sensor - hence the EGR as its the only way to clean things up effectively - its there to cut down on the particulates (and NOx) the the cat cant deal with as thats not its job - if it was a particulate filter there'd be no need for EGR........

But, like I said, what do I know, I've only been fixing the things for 20 years and Mot'ing them for 15............

90Mike:
Sorry to hijack the thread guys but am i right in thinking that this
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ESR2297
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down pipe from the 300tdi defender will bolt straght on to my 94 300tdi disco then i can lose the cat  ;)

stageonesimmo:
Yeah it will - I think thats the same number I have on mine, (fitted a loooong time ago now), - mine has no flexi-pipe in it, but as long as your exhaust rubbers are in good nick it should be fine.........

90Mike:
Cheers mate i will get one of them on order next week now for my second question  :oops: this one goes to auf wiedersehen pet where did you get your top intercooler hose from it looks nice and tidy  ;)

stageonesimmo:
I've got a nice stainless steel one from Twisted performance - expensive though  :shocked:, but it lets you use the existing rubbers or swap them for silicone jobs if you wish..........

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