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Motorboatin' SOB, Headlight Cleaning Guru
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Discussion Starter #1
i pulled codes 157 and 158 a few months ago, found out the maf voltage is too high and low, replaced it with a new one, everything was fine and dandy, and now my cel has come on again, spitting out the same codes. i pulled the sensor, and the wires look clean. im lost as to why im getting the sames codes two months after replacing the maf. it did rain pretty good the night before it came on, but i dont recall driving through any puddles.
 

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Motorboatin' SOB, Headlight Cleaning Guru
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6,910 Posts
Discussion Starter #3
how do i do that? am i looking for 12v?
 

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172 Posts
no not 12 volts. check the lower 2 wires(there is three arranged vertically). also, you could just check the middle wire and ground the other end of your multimeter. setting you meter at 2V of course.
voltage should be 0.97 volts at idle.
i had a problem with Red that the voltage was 4.870 + or - at idle. way outta wack! had to replace that one.
 
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