Quote:
Originally Posted by SouthArk370Z
That's a new one on me. Please elaborate.
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I think their is some truth to that one, but I think you would have to repeatedly run out of gas on a normal basis to cause enough damage. I think it has something to do with thermal failure of the ceramics within the catalytic converter. Its a similar effect of a malfunctioning O2 sensor, misfire or an ECU malfunction....pretty much anything that causes unburnt fuel to enter the cats and ignite...super heating the ceramics beyond operating temps. It's unlikely running out of gas once would be enough to cause that much damage, but its best to err on the side of caution.