Can you mix leaded gas and unleaded gas together? - AudiWorld Forums

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Can you mix leaded gas and unleaded gas together?

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Old 11-17-2006, 10:29 AM   #1
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Default Can you mix leaded gas and unleaded gas together?

I have no cats. at the moment and want to make sure that I can mix leaded gas and unleaded gas together?

Edy

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Old 11-17-2006, 10:31 AM   #2
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doesn't leaded gas also kill your O2 sensors?
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Old 11-17-2006, 10:32 AM   #3
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Default My understanding is yes.

If you run leaded for too long, you will foul the O2 sensors(?), but it takes a while.
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Old 11-17-2006, 10:33 AM   #4
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yup... no problem whatsoever
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Old 11-17-2006, 10:34 AM   #5
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Default Not immediately.

A friend has been running leaded in his dragster Rabbit for a while now, sensors still OK.
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Old 11-17-2006, 10:35 AM   #6
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Default I was told that the old school O2 sensors yes, but not so much the new O2 sensors.

However i would not recommend to run leaded as a day to day gas, the o2s will die eventually.

Edy
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Old 11-17-2006, 10:38 AM   #7
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Default so long as none of the guys on the forum belong to this agency

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Old 11-17-2006, 10:51 AM   #8
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No. It kills your cats.
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Old 11-17-2006, 10:58 AM   #9
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Default i thought leaded gas could mess up your injectors too?

one of my good buddies(who is a car expert) told me they destroy cats, and could mess up your o2's and your fuel injectors, after i was going to fill up with some 110 leaded at the track but then decided not to.

it just sucks that the highest unleaded octane is like 104
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Old 11-17-2006, 10:59 AM   #10
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why would you even want to?
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