Full Throttle there are only two MAF sensors. One is for mechanical throttle and the other is electronic or e-gas. 97-99 are mechanical or non e-gas and starting in 2000 they switched. Here is a plug for the pelican website who hosts this forum. Look up the part and you will see what I mean. I am suprised your car even ran. If your indie did not know this I would search for a new one. Even if he is your brother in law