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  • zaken1 11/08/11 2:38 am PST

    General Motors has issued a service bulletin about starting problems on the 4.3 liter V-6 motor used in the S-10. If your truck has the V-6 motor; cold starting can be improved by reducing the spark plug gap from the original .060" recommendation to a smaller .045" gap.

    It is also important to have the mass airflow sensor and throttle body thoroughly cleaned in order to get best running quality and responsiveness.

    A defective intake air temperature sensor can also make cold starting difficult.

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