Question about Cars & Trucks
By altering the vehicles original specifications you have upset the sensor parameters for the MAF/VAF sensors and the o2 sensors. I would say that with the altered air flow the sensors are reading a need for more fuel and that has lowered the economy. Should wish to continue using the item then I suggest that you have it reset using a chassis dyno at a speed shop to recalibrate the CPU program
Posted on May 10, 2014
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Posted on Jan 02, 2017
Try replacing the fuel pump relay located in the fuse box that sits in the engine bay. There should be a diagram on the under side of the cover to help you find which relay it is.
Posted on Aug 08, 2010
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