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2003 Toyota Matrix Question: Check Engine light



Kimbel, 1.8L 4 Cylinder, Hot Springs National Park, AR, January 03, 2011, 12:43

diagnosed CODE P0103 problems listed under this code.

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  • Answer #1

    joelburke26 from Joels Auto Service, January 03, 2011, 18:21

    only thing my scanner shows is mass airflow sensor circuit A hight input.first i would check the connection and apply some dielectric grease on the connector.check the air filter and look in the air duct so see if anything is in the mass airflow sensor screen.

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