Has anyone heard of any benefit from unplugging the IAP sensor and putting a resistor across the two leads on the female side of the plug? Someone on EBay is selling the resistors and offering instructions on how to install it in the Mazda MX5.
IAP Sensor
Feb 24, 2007
2 Replies
I too fell for this scam, all it does is dump more fuel into your intake system. This excess amount of fuel not provide increased horsepower, but instead fouls your plugs, increases the build-up on your fuel sensors and costs you more in fuel. I researched this item AFTER I had purchased it on Ebay....and found out BEFORE I installed it......a lesson learned.
And they already run rich above 4000rpm!
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