Just purchased a 2002 Cavalier. Runs great. Has about 1/4 tank of CNG and 3/4 tank of Gas. Car comes from Connecticut. I have no idea how long the gasoline has been in the car or how long since it has been driven on gasoline. My thought is to run the CNG out, run the gas down to almost empty and then fill both back up. Any other suggestions like adding an additive to the gas before it switches, how to avoid being stranded in case it doesn't switch, etc.?
Thanks
Thanks
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