Camry Coupe 2-Door L4-132 2164cc 2.2L DOHC (5S-FE) (1995)
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EGR Vacuum Modulator: Testing and Inspection
PROCEDURE
1. Inspect Exhaust Gas Recirculation (EGR) Vacuum Modulator operation.
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Disconnect the vacuum hoses from ports P, Q, and R of the EGR Vacuum Modulator.
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Block ports P and R with your finger.
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Blow air into port Q, and check that the air passes through to the air filter side freely.
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Start the engine, and maintain speed at 2,500 rpm.
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Repeat the above test. Check that there is a strong resistance to air flow.
2. Reconnect vacuum hoses to EGR Vacuum Modulator.
