Transmission

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    Comments (1)

      • Lily Chadsey

        92 Toyota SR5. Clutch is not engaging. I was driving it, tried to put it into 1st gear and felt something break or come loose.
        Is this something I can fix myself on the side of the road with out removing transmission?

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      How Things Work

      Exhaust Recirculation System - Known As EGR Valve

      The Exhaust Gas Recirculation (EGR) system is used to lower Oxides of Nitrogen (NOx) emission levels caused by high combustion temperature. It does this by decreasing combustion temperature.

      The main element of the system is the linear EGR valve. The EGR valve feeds small amounts of exhaust gas back into the combustion chamber. With the fuel / air mixture diluted by the exhaust gases, combustion temperatures are reduced.

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      Common Engine Codes

      Oxygen Sensor Code P0130 - P0141

      The powertrain control module (PCM) supplies a bias voltage of about 450 mV between the heated oxygen sensor (HO2S) high signal circuit and the HO2S low reference circuit. When measured with a 10 mega ohm digital voltmeter, this may display as low as 350 mV. The oxygen sensor signal varies from about 800 mV when the exhaust is rich, to about 50 mV when the exhaust is lean.

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