Inspection Of Tvis

1. WARM UP AND STOP ENGINE

Allow the engine to warm up to normal operating temperature.

2. CONNECT TACHOMETER (See page IG-17)

3. CONNECT VACUUM GAUGE

Using a 3-way connector, connect the vacuum gauge to the hose between the VSV and actuator.

4. INSPECT T-VIS OPERATION

(a) Check that the vacuum gauge indicates vacuum at idling.

(b) Check that the vacuum gauge indicates zero at 4,200 rpm or more.

HINT: If regular unleaded gasoline is used, the vacuum gauge also indicates zero below 4,200 rpm.

2,500 rpm 120 seconds

EC0137 EM8144

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Responses

  • maria pia
    Does mr2 sw20 have tvis?
    8 years ago

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