Short moment of weird noise when quickly press the gas pedal (with audio recording)

Bram1982

Member
:
Mazda 2 LPG
Anyone know what causes this sound? Should I worry?


During normal driving I sometimes hear it when I drive off after the light turns green.

Car runs on LPG G3 gas btw. Ill test if the same thing happens on normal gasoline in a sec.

Ok, just checked: This only happens on LPG G3.
 
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