A catalytic converter can be harmed by ________.

[strangeaffliction]

Question 1

All engines are equipped with a PCV valve.
◦ true
◦ false

Question 2

A catalytic converter can be harmed by ________.
◦ excessive engine oil
◦ antifreeze
◦ sulfur from poor-quality fuel
◦ Any of the above

[DHRUVSHAH]

Answer 1

false

Answer 2

Any of the above

[strangeaffliction]

Excellent

[irishcancer18]

YES! Correct, THANKS for helping me on my review