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Hey guys, maybe you can offer some assistance on this for me please. I got a 96 LS teg with a full B20 engine in it with some bolt on mods. When the engine is cold, I'll start it up & the idle will go up to 2000rpm & then drop to 1600rpm & then back to up 2000rpm. It just keeps doing that bouncing around stuff till the engine warms up, then it will drop to 900 & stay steady there. It has never bounced like that before till about a week ago. Anyone know what may be causing this?
I already know that my front O2 sensor is going out cause my Air/Fuel gauge is spiking alot, but that has been happening for a while now & has never affected the idle, so I know it's not that.
I already know that my front O2 sensor is going out cause my Air/Fuel gauge is spiking alot, but that has been happening for a while now & has never affected the idle, so I know it's not that.