MAGOTAN exhaust system failure lights how to do
General now have two oxygen sensors before and after the car, respectively, in the front and rear of the three catalytic converters, to find the fault in time to be replaced. This cargo failure, appear in mixed with different labels, different types of gasoline (ethanol gasoline, etc.), or add fuel Po and other circumstances.
(ECU) can not get the oxygen concentration of the exhaust pipe of the information, so the air-fuel ratio can not be feedback control, will make the engine fuel consumption and exhaust pollution increases, the engine appears idle speed is not Stable, lack of fire, surge and other fault phenomena. Therefore, the failure or replacement must be eliminated in a timely manner.
First check the front and rear oxygen sensor, this thing is bad The initial appearance of the display in the instrument shows the engine exhaust system failure light long (or occasionally flashing), but the short car can barely driving;
The problem is general. This is the kind of question asked. Get computer test!
