Standalone - mot map

1. Sophia_Bush Saxperience Post Whore Joined: Jan 2007 Shropshire Posts: 9994 Moonstone Blue 106 GTi

   #1 7th June 2009, 12:45

   RIght standalone soon enough I was wondering since it is easy enough to switch maps on the go I can have one normal full fat map and one map for the mot. ONly reason I wask is no need to run a cat then and change........
2. Ryanp Super Moderator Joined: Feb 2004 Tonbridge United Kingdom (England) Posts: 38236 Vtr, 172, throttle bodied track slut

   #2 7th June 2009, 13:18

   On my emerald it has an MOT function as such, you adjust the map, press enter a few times to get the emissions down get it through then exit without saving and it goes back to the original map
   
   Ive not tried it yet though.
   
   The cat might be an issue depending on how well you can get it set up
3. Sophia_Bush Saxperience Post Whore Joined: Jan 2007 Shropshire Posts: 9994 Moonstone Blue 106 GTi

   #3 7th June 2009, 14:04

   interesting ill see how it goes on this should be ok
4. gd16 Frequent Poster Joined: Nov 2003 Tayside Posts: 893 S/c VT!?

   #4 7th June 2009, 14:47

   TBH - the MOT only tests emissions on idle IIRC, and fast idle (ie a bit of revs, but not under a decent load). So you can trim your idle to pass emissions and leave it like that from day to day (obviously depending on the cams - if they're too wild you'll still struggle).
   
   Then just find out what revs the fast idle is done at, and trim the load points around there. Again - it won'y make much/any difference to road driving as its not really a point where you need it to have ignition/injection suited to make power.
5. Sophia_Bush Saxperience Post Whore Joined: Jan 2007 Shropshire Posts: 9994 Moonstone Blue 106 GTi

   #5 7th June 2009, 14:51

   sweeet no cat time it is then
6. williamsvts Saxperience Post Whore Joined: Feb 2006 northumberland Posts: 7693 pulsar gtir, mk4 astra sxi

   #6 7th June 2009, 18:19

   just take it somewhere where they will pass it.
7. raunchz Saxperience Addict Joined: Jul 2005 Solihull / Bournemouth Posts: 14233 2015 Lapiz Blue Golf R

   #7 7th June 2009, 18:28

   Looks like best to find a friendly tester. I've got to try and get an MOT this summer.
8. Sophia_Bush Saxperience Post Whore Joined: Jan 2007 Shropshire Posts: 9994 Moonstone Blue 106 GTi

   #8 7th June 2009, 19:10

   I've got a friendly mot tester but I would like the option of it passing ok
9. gjs Infrequent Poster Joined: Nov 2006 Posts: 227

   #9 7th June 2009, 22:20

   the test is approx 2500rpm on an mot
10. slammed106 Regular Poster Joined: Sep 2007 Posts: 291

    #10 7th June 2009, 22:23

    Quote:

    Originally Posted by Ryan On my emerald it has an MOT function as such, you adjust the map, press enter a few times to get the emissions down get it through then exit without saving and it goes back to the original map Ive not tried it yet though. The cat might be an issue depending on how well you can get it set up

    
    which emerald do you have??
    
    mine has a 3 position switch wired in and a simple flick can go between 3 maps all saved on the ecu???
11. pjm300 Saxperience Forum Bum Joined: Jun 2005 Potters Bar United Kingdom (England) Posts: 2749 T/B'd VTS

    #11 8th June 2009, 09:10

    Quote:

    Originally Posted by slammed106 which emerald do you have?? mine has a 3 position switch wired in and a simple flick can go between 3 maps all saved on the ecu???

    you've got the newer version then.
    
    its a great idea
12. Sophia_Bush Saxperience Post Whore Joined: Jan 2007 Shropshire Posts: 9994 Moonstone Blue 106 GTi

    #12 8th June 2009, 09:27

    plum i miss you
13. pjm300 Saxperience Forum Bum Joined: Jun 2005 Potters Bar United Kingdom (England) Posts: 2749 T/B'd VTS

    #13 8th June 2009, 09:36

    i miss you too sexy.
14. luthor1 Established Member Joined: Jan 2008 Posts: 1802

    #14 12th June 2009, 18:27

    You *CANNOT* pass an MoT without a CAT.
    
    It's quite simple - you can setup the Lambda output to 1 (14.7:1 AFR) and it'll pass the Lambda test, but it will have FAR TOO high PPM hydrocarbons....
    
    ...if you then lean it off to pass the hydrocarbons (which you can easily), then your lambda will rise to 1.2, thus failing the lambda test.
    
    That's why the test is the way it is, having the lambda AND HC PPM in the test, otherwise people could easily fool it.
    
    Andy
15. Ryanp Super Moderator Joined: Feb 2004 Tonbridge United Kingdom (England) Posts: 38236 Vtr, 172, throttle bodied track slut

    #15 12th June 2009, 18:46

    Quote:

    Originally Posted by slammed106 which emerald do you have?? mine has a 3 position switch wired in and a simple flick can go between 3 maps all saved on the ecu???

    M3D.
    
    The K3 is the one with switchable maps, mine is upgradeable apparently (as was a late M3d) yet we are not sure if its fucked.
16. dj_russell Established Member Joined: Mar 2009 in shell with personal v-power pump lol. Posts: 2197 400bhp build gt4

    #16 12th June 2009, 18:58

    ive known cars to pass emmitions without a cat before now because it was still within the emmitions limit.
    
    id just take it to an mot tester that will pass it regardless of emmitions so long as the rest of your car is all road legal.