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Red Robbo
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Joined: 17 Feb 2008
Posts: 4129
Location: Where ever I happen to be in my imagination but mainly Far East Sussex
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 Posted: Mon Jan 19, 2009 20:04 Post subject: MOT Emissions Test=Engine RPM |
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Think I saw on an MOT test chart that the emission test RPM for the 3.0 TD is 4750 rpm yet the tacho redlines at 4250 rpm 
Can anyone explain this please,mainly curiosity but MOT due shortly,so would like to know....
Cheers
Robbo..................
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| Posted: Mon Jan 19, 2009 20:04 Post subject: Google Ads keep this community free to join! |
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fletch
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Joined: 24 Dec 2008
Posts: 170
Location: Mansfield UK
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| Posted: Mon Jan 19, 2009 20:12 Post subject: |
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Hi most MOT testers wont rev the engine to its maximum rpm just high enough as to get a reading,
The figures will be a maximum rpm that the engine will rev at, {a mot guide} |
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Red Robbo
Lifetime member
Joined: 17 Feb 2008
Posts: 4129
Location: Where ever I happen to be in my imagination but mainly Far East Sussex
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| Posted: Mon Jan 19, 2009 22:02 Post subject: |
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Ta Fletch,was just wondering 
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Khotso........... |
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rallymarshall
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Joined: 04 Mar 2007
Posts: 1728
Location: somewere thereabouts
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| Posted: Tue Jan 20, 2009 23:08 Post subject: |
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have buzzed mine to 4500 
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atb kevin
65 vauxhall mokka 1.6cdti 4x4 se
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rebel
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Joined: 14 Nov 2008
Posts: 5
Location: Suffolk
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| Posted: Wed Jan 21, 2009 23:43 Post subject: |
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Officially, a diesel engine should be revved to the limiter for the MOT smoke test.
(but testers with some mechanical sympathy often leave it short) |
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