Quote:
Originally Posted by rpicard@demand-its.com
I have a 07 yaris with 180,000km on it.
Theres a odd problem I've had for a while now but we can't figure out where it comes from.
When driving, at around 2500rpm with gas there is a noise that we can best describe as sucking milk through a straw when the cup is almost empty.
If I take my foot off the accelerator at 2500rpm the noise goes away, if I go up to 2800 rpm I can't hear it anymore.
I tend to only notice the noise in the third and fourth gears.
It may be nothing, it may be something but I have no idea what to look at.
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that is normal for this engine.. everybody hears this sound (some people just do not pay attention).. i think it is caused by the intake / throttle body design