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Maintenance seeks advice 4 ask (" car and drive maintenance "
From; Author:Stand originally
Maintenance seeks advice 4 ask (" car and drive maintenance " 2002.2)
Ask one: Car of prince of a big house, engine idle fast flabby, the vent-pipe when quickening risks black smoke. When be taken to starting Electromechanical to accuse a system to undertake malfunction code read, v 12 breakdown code, how should be breakdown handled to this car excuse me? (Hunan reader Liu Jun)
Answer: Since engine is quickened when risk black smoke, can decide mixture gas affirmation slants thick. And bring about mixture gas to slant strong element has the following sides roughly:
(L) sensor of cooling fluid temperature (CTS) or its jumper breakdown
The sensor of cooling fluid temperature of this car is one thermal resistor, the resistance when temperature is low is great, conversely resistance is little. When the working temperature with normal engine, computer (ECM) the voltage value that the place that insert a foot measures is 1.5~2.0V about. If the circuitry of sensor appears open circuit circumstance, engine computer can think engine is in cool car condition by accident, increase fuel delivery thereby, cause mixture energy of life too thick, appear to risk the circumstance of black smoke quickly. At the same time computer still can illume breakdown lamp, the 14 breakdown code that reads the delegate breakdown stocks computer memory. If be the resistor character of sensor,appear of course contingency changes, do not decide show 14 malfunction code.
(2) sensor of position of solar term door (TPS) breakdown
The action of sensor of position of solar term door is open degree of signal to what computer offers solar term door, auxiliary and absolutely pressure sensor reflects the bear condition of engine, its signal voltage is in engine idle fast when enraging door a standard-sized sheet to the section under 1.25V change between 5V about.
Ask one: Car of prince of a big house, engine idle fast flabby, the vent-pipe when quickening risks black smoke. When be taken to starting Electromechanical to accuse a system to undertake malfunction code read, v 12 breakdown code, how should be breakdown handled to this car excuse me? (Hunan reader Liu Jun)
Answer: Since engine is quickened when risk black smoke, can decide mixture gas affirmation slants thick. And bring about mixture gas to slant strong element has the following sides roughly:
(L) sensor of cooling fluid temperature (CTS) or its jumper breakdown
The sensor of cooling fluid temperature of this car is one thermal resistor, the resistance when temperature is low is great, conversely resistance is little. When the working temperature with normal engine, computer (ECM) the voltage value that the place that insert a foot measures is 1.5~2.0V about. If the circuitry of sensor appears open circuit circumstance, engine computer can think engine is in cool car condition by accident, increase fuel delivery thereby, cause mixture energy of life too thick, appear to risk the circumstance of black smoke quickly. At the same time computer still can illume breakdown lamp, the 14 breakdown code that reads the delegate breakdown stocks computer memory. If be the resistor character of sensor,appear of course contingency changes, do not decide show 14 malfunction code.
(2) sensor of position of solar term door (TPS) breakdown
The action of sensor of position of solar term door is open degree of signal to what computer offers solar term door, auxiliary and absolutely pressure sensor reflects the bear condition of engine, its signal voltage is in engine idle fast when enraging door a standard-sized sheet to the section under 1.25V change between 5V about.
