Still cannot pass my emissions >< [Archive] - Toyota MR2 Message Board

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my high idol passes, but my low idle will not. After reading around I found a guy with an MR2 that was also only not passing his low idle. He changed this thermostat because his car would never fully warm up, so his car would put out more fuel constantly. I also had this problem, switched out the thermostat. It lowered my emissions slightly, but im still hitting -0.77 I found out i have oil in where my spark plugs sit, so i bought a valve cover gasket and new spark plugs. Does it sound