EGR stands for Exhaust Gas Recirculation. The purpose of the EGR system is to lower the amount of oxides of nitrogen the engine produces. The parts of the system are the vacuum actuated EGR control valve, the vacuum switching valve, and the EGR vacuum modulator assembly.
Which of them? There are many of them.
The Camry could have a vacuum leak. If there is a vacuum leak, then there can be a whistling sound until the vacuum system is full of air.
Should be a vacuum hose diagram attached to the underside of the hood or nearby.
You can find a small vacuum leak in your 2002 Toyota Camry with a diagnostic tester. The diagnostic tester can pinpoint virtually any vacuum leak.
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There should be a diagram on the underside of the bonnet/hood.
Yes, there is a diagram for the vacuum hose and sensor for this vehicle. It is found in the maintenance manual and in its repair manual.
Toyota Camry was created in 1982.
No, it will not.
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