Leaded fuel in an unleaded engine?

Question:
Can anyone tell me what would happen if you were to put leaded fuel into an unleaded-only engine? Yes, I realize we don't have leaded fuel available at the pumps anymore, I just want to know specifically what it would do to your engine. Thanks!

Answers:

VW emergency light flashing?

I asked this same question when I went to Mexico with my newToyota. Mexico had ONLY leaded gas at that time.
Answer: One tankfull will not hurt your car that much, but your catalytic converter will start to get clogged up. The internal filter of the catalytic converter is a ceramic net, and coated with expensive chemicals to clean the exhaust.

What does the H and C mean on my cars dash?


I replaced my catalytic converter with a "straight pipe" for 4 months while I drove around. (totally illegal in the US, but who cares in Mexico?)
I noticed a loss of power, and more vibration at idle. 4 months later, I switched back to the CC and everything was OK after that.

Olds Intrigue 2001... change oil indicator light coming on?

it will ruin your catalytic converter :(

Petrol leak. Peugeot 205 (J Reg Automatic) Only leaks when engine is running.?

Your engine would be fine, but it would destrouy your catalytic converter (the lead coats the platinum and then plugs up the converter, very expensive)

1997 Buick Lesabre....keeps turning off!!?

First it would damage you catalyic conveters,02 sensors ,then you will have drivability issues

Oil prices go up 50 cents a barrell, gas goes up 20 cents. Oil drops 2 bucks a barrell, gas goes down 5 cents.

Leaded fuel will destroy the Catalytic Converter..Small airports still have leaded for aircraft.
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