![](../../../img/17/AK603548AB00ENG.png)
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1.Disconnect the vacuum hose
(Blue stripe) from the throttle body exhaust gas
recirculation
valve nipple and connect a hand vacuum pump to the
nipple.
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![](../../../img/17/AK603549AB00ENG.png)
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2.Start the
engine. 3.Measure engine vacuum at 2,500
r/min. Standard value: 51 kPa or
more 4.Reset the vacuum pump to "0"
(Release vacuum) 5.Using a stop watch, measure how
long it takes for the vacuum gauge to reach 51
kPa. Standard value: 1.0 second or
less 6.If it takes more than 1.0 second
for the gauge to reach 51 kPa, the exhaust gas recirculation
may be restricted and should be cleaned.
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