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03 Sequoia performance chip install

571 Views 1 Reply 2 Participants Last post by  hardtopte72
I am looking for which 2 wires control the iat from the maf sensor so that I can install a performance chip.
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Which "chip" are you installing? Do you know how it works? Is it programmable? Is there a controller? Are you adding a wideband to see if fuel ratios are actually adjusted?

Most of the "chips" you can buy are total garbage and do literally nothing. Most of the ones that try and trick the system, usually by intercepting the IAT signal (to show its colder so it runs more rich), also don't work well on Toyotas as the ECU eventually learns the new parameters as a baseline and simply adjusts around it.
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