Q
why does my check engine light turn on and off
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The Italian automaker Fiat Chrysler Automobiles. now part of the multinational Stellantis corporation. produces Fiat cars.
When driving. it is important to match engine speed with driveshaft speed. This is usually done in an intermediate gear. such as a 5 or 6-speed manual transmission. rather than the third or fourth gear. This ensures that for every engine revolution in RPM. the driveshaft rotates once. allowing for direct power transmission to the wheels without any loss of power. This is ideal for maximizing fuel efficiency and performance. In automatic transmissions. this match point typically occurs at higher speeds when the torque converter locks up. Knowing these points is crucial for achieving peak vehicle performance. whether on the race track or during fuel-efficient driving.
While coolant leaks themselves may not trigger the Check Engine Light CEL. they can have consequences that may indirectly cause the light to come on. For instance. a significant loss of coolant can result in overheating and reduced engine efficiency. The vehicle's OBD-II system continuously monitors these factors. as an overheated engine can produce increased emissions. potentially leading to a CEL. Furthermore. modern vehicles are equipped with sensors that detect abnormal levels of cooling system pressure and temperature. If these sensors detect any issues due to low coolant levels. such as higher engine temperatures or pressure differentials. the CEL may be activated. It is crucial to promptly address any coolant leaks to avoid engine damage and maintain optimal performance.
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