high pitch noise coming from intake on engine
#1
09-05-2007, 10:17 PM
high pitch noise coming from intake on engine
My name is Michael Mc Avoy I have a 88 C4
the other dayI herd a high pitch noise coming from the front of the engine where the intake is
could it be the o2 sensore? it does it when i exselerate and then let off the gas or even when I first start the car it stays on for about 30 sec or so.
does any one know what it might be?
thanks!
the other dayI herd a high pitch noise coming from the front of the engine where the intake is
could it be the o2 sensore? it does it when i exselerate and then let off the gas or even when I first start the car it stays on for about 30 sec or so.
does any one know what it might be?
thanks!
#2
09-05-2007, 10:42 PM
RE: high pitch noise coming from intake on engine
Welcome into the forums there ire!
No, I don't think the O2 makes any noise, unless it's MISSING!
You sure it's not a hiss?
Only thing we know for sure so far is it's doing it in closed-loop (cold), and open-loop (warmed-up motor). You gotta' fire the motor with the hood open, and try to narrow location down a little there...
No, I don't think the O2 makes any noise, unless it's MISSING!
You sure it's not a hiss?
Only thing we know for sure so far is it's doing it in closed-loop (cold), and open-loop (warmed-up motor). You gotta' fire the motor with the hood open, and try to narrow location down a little there...
#3
09-06-2007, 07:31 PM
RE: high pitch noise coming from intake on engine
Ok I found out that might be the (MAF) mass air flow sensor
is there any way to fix them yourself?
this is what one looks like
[IMG]local://upfiles/6301/8F499B95AF94447DAC8CC9C04F472EEB.jpg[/IMG]
is there any way to fix them yourself?
this is what one looks like
[IMG]local://upfiles/6301/8F499B95AF94447DAC8CC9C04F472EEB.jpg[/IMG]
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