Need help checking ecm and wiring
04-13-2009, 07:08 PM
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Need help checking ecm and wiring I have a P0507 code and i think i have narrowed it down to a bad ecm or the wiring that goes to the IAC valve. I have a 99 with only an airbox lid and an SLP MAF sensor as the only mods. My question is how do i check the wiring going to the valve with a multimeter?
