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Please assist with the following questions (Engine Diagnostics)
Please assist with the following questions (Engine Diagnostics)
10.   A vehicle fails an HC emission test at idle and 2,500 rpm, and the engine has an acceleration stumble. The heated oxygen sensor (HO2S) voltage is 0.1–0.3 volts on a scan tool, and the injector pulse width is high. No diagnostic trouble codes (DTCs) are found. When propane is directed into the air intake, HO2S voltage immediately increases and the injector pulse width decr
Electrical Engineering   aantonopoulos   234   Asked A year ago
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