mrr23 mod thread

**Darkpassenger** · 04-17-2018, 04:18 AM

Originally Posted by mrr23

the AFM Air Fuel Management programming. was watching my vacuum gauge today. when it went into 4 cylinder mode, vacuum dropped. stayed around 8". when it went into 8 cylinder went to at least 15". fuel economy was no different.

4 cylinder mode? Does the 2010 do that? That's pretty cool to save gas. Doubt I'll use it though if I ever get this car.

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**mrr23** · 04-17-2018, 05:41 AM

Originally Posted by Darkpassenger

4 cylinder mode? Does the 2010 do that? That's pretty cool to save gas. Doubt I'll use it though if I ever get this car.

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All of them have it. They call if AFM or air fuel management. Used to be called DOD displacement on demand.best you'll get is a 10% improvement or .1 per mile in the city. maybe 1 per mile on the highway.