Throttle position sensor: A throttle position sensor tells the vehicle’s computer how far the throttle is open and how hard the accelerator is being pressed. A vehicle that hesitates while accelerating or while driving up a hill may have a weak fuel pump. If a fuel pump cannot provide the correct pressure, fuel may have difficulty making it to the engine. A vehicle with a failing mass airflow sensor may also stall soon after starting.įuel Pump: The fuel pump in most modern vehicles sits inside the fuel tank and pumps fuel up to the engine.
2015 chevy sonic engine code#
When a mass airflow sensor begins to fail, it will typically generate an error code or “Check Engine light.” This warning may be accompanied by hesitation while accelerating, or while driving up a hill. Mass Airflow Sensor: The mass airflow sensor measures how much air is entering the engine and relays this information to the vehicle’s computer so that the right amount of fuel can be delivered from the fuel injectors. Find out more about our advertising opportunities.Service type Engine hesitates during acceleration Inspection
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2015 chevy sonic engine drivers#
I have paid a nice chunk of change to and being told I need to spend yet another $400+.
Now I am being told again, by the dealer, that the coolant is leaking again, this time from the water pump. All for thecoolant that continues to find a way toleak out. But in the last year I have had to have the thermostat replaced, the housing of something was replaced a month later (I do not remember the name of the part). Although misdiagnosed initially, the meachanic later found that there was truly an issue with the car. First there was a smell of coolant in the cabin. I have had my vehicle in the shop multiple times since I had it.