Old Apr 18, 2012 | 10:28 AM
  #27  
Karlos G's Avatar
Karlos G
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Joined: Jan 2007
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From: Suffolk
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Originally Posted by Rogeyboy
Sorry rob abit off topic...
Karlos how does your low pressure light work?
Originally Posted by Rob_DOHC
Lol its alright mate, I generally go off topic with every one elses posts!

I don't think its a low fuel pressure light, more likely a lean AFR light that works off an output on his ecu... I could be wrong though! thats just how I would do it.

Rob,
Yeah it's a lean warning light, just used one of MS's programmable outputs!
If kpa is greater than 150 (7psi) and the AFR is leaner than 12.5:1 then it iluminates (using the old ABS light on the dash), I've set it like that so it flicks on briefly when boost is building (12.5:1 @ 7psi is not actualy too lean) so I know it's still working.... No point having a warning light that doesnt work cos the bulbs blown or has a wiring fault! lol
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