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chiromikey · 09-26-2007, 10:05 PM

these are typically just resistors that trick the ecu into thinking the temps from the iat sensor are cooler than they actually are, causing the ecu to dump more fuel. it's basically like running the car in warm up mode or with a choke on.

their fancy explanation sounds great but it's a gimmick.

09-26-2007, 10:05 PM	#6
chiromikey MBWorld Fanatic! Join Date: Jun 2006 Posts: 3,629 Drives: '03 E55, Ducati 748R	these are typically just resistors that trick the ecu into thinking the temps from the iat sensor are cooler than they actually are, causing the ecu to dump more fuel. it's basically like running the car in warm up mode or with a choke on. their fancy explanation sounds great but it's a gimmick.