My car loses power (when I am on the gas pedal, it starts pulsing/jerking around), and sometimes, not all the time (I believe it would everytime if i kept driving), the EPC light comes on, then it loses most of its power (some sort of system that saves the car ultimately). If I turn the car off and sit for a while, it goes away (again depending on how long a drive it for). This started two weeks ago. PLUS, my check engine light is on; the engine has been hard starting and has poor fuel economy. I was getting several faulty code such as
16497 - Intake Air Temp. Sensor (G42): Signal too High
16486- Mass Air Flow - Signal too low. Intermittent
 
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Ask Your Question2001 Volkswagen Jetta
Question: My car loses power when EPC light comes on; has poor fuel economy; starts diffic
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