Let's diagnose the High Pitched Noise

Originally Posted by jpit It was confirmed that some throttle bodies also make a high pitched noise and this is coming from the engine compartment. Not as loud as the

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Let's diagnose the High Pitched Noise

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11-28-2009, 11:04 AM

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avitech

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Quote:

Originally Posted by jpit

It was confirmed that some throttle bodies also make a high pitched noise and this is coming from the engine compartment. Not as loud as the noise coming from the ecu.

Yeah I'm pretty sure a throttle body can make noise if it had some electrical stuff in it.

Another item to look for is the ABS brake system. Those make noise too at start up. Especially during start up since the system has the reset itself. For lack of a better word for it.

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