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Why is my car hitting map limit before the set pressure?


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My map limit is set to 280kpa and car boosts to 260kpa everything works perfectly fine. I have since tried setting the limiter down to 265 to keep a tighter tolerance and add more security.  The car keeps cutting out well before it even approaches 260kpa, on a 5hz log the values show up as 228kpa > 242kpa > 253kpa > 236kpa > 181kpa > 51 kpa.

I have also tried to set the check engine light to come on at 260kpa and it has not flashed even once even when the logs show small brief spikes over 260kpa.



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