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  1. J

    Lean/high fuel trims only when EVAP is purging

    2015 Chevrolet Sonic 1.8L Hey guys, I'm working on my girlfriend's car and I don't know much about GM vehicles. I'm a Nissan Master Tech and I know Nissan's don't purge at idle, but apparently my girlfriend's Sonic does. I'm going to try to make this as short and sweet as possible. What I...
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