corollaxli

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Question Asked: hydrocarbons
November 25, 2009, 08:39 AM
My toyota corolla has hydrocarbons [roughly 200ppm] only at idlιng. The other exhaust gas is normal. Is this normal??? If not what the probable cause??? 730 rpm CO………[%vol]……..0.04 CO2……..[%vol]……..15.79 HC………[ppm]………205 O2………[%vol]……...0.07 λ………………………0.996 2600 rpm CO……….[%vol]……..0.00 CO2……...[%vol]……..15.85 HC……….[ppm]………16 O2……….[%vol]………0.03 λ……………………….1.000 The car does not burn oil. Were checked all sensors and is okay. Ηas a stable idle and good acceleration.
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