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Slow to crank stabilitrac light and no tach
Hey guys
I just bought a cammed ls3 2013 ss it had a slow to start and Terrible 12.5 MPG when I bought it checked the battery and it was fine I felt like it is heat soak then after driving it over the last 3 days I get Service Stabilitrac and my tach stopped working I continued home and started to get small backfires and exhaust crackle that was new I was looking around under the hood and noticed no vacuum line on the back of the driver side valve cover I haven't drove it to town to get the codes pulled yet.
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