Why does my check engine light come on when I press the gas pedal?
This may be a sign of a failing throttle position sensor. The throttle position sensor (TPS) is a sensor used to monitor the throttle position of the throttle plate inside the throttle body in relation to your foot position on the gas pedal.
What happens when a throttle position sensor goes bad?
What happens when my throttle position sensor goes bad. When a TPS goes bad, then the car’s throttle body won’t function properly. It could either stay shut or it won’t close properly which is a severe issue. If it stays shut then your engine is not going receive air and it won’t start.
What does cylinder 4 on a Toyota Tacoma mean?
The engine is also not firing all of the fuel, so raw fuel is also passing through Cylinder 4 into the exhaust. Mileage may suffer as well when your Tacoma has P0304 as well. P0304 is a cylinder specific misfire code, which means that Cylinder 4 is misfiring and causing the code.
What are the symptoms of a Toyota Tacoma misfire?
Tacoma P0304 OBDII Code Symptoms The P0304 trouble code will trigger the Tacoma’s service engine soon light. The vehicle itself may begin to run rough. It depends on how serious the misfire is. The vehicle may produce excess vibration, especially at lower RPM. Fuel mileage may suffer. You may smell raw gas coming from the tail pipe.
What does acceleration feel like on a Tacoma?
It feels very similar to a misfire, but without the sound a misfire normally makes and it’s not consistent. Its more of a thrusting/surging feeling as if it is accelerating normally, and is if i for a second lifted off the accelerator pedal, and then mashed on the pedal again, and then repeats several times like a rocking chair.
What to do if your Toyota Tacoma is stalling?
Before troubleshooting any automotive issue, including stalling issues with the Tacoma, make sure that you check the vehicles trouble codes with an OBD2 scanner. Trouble codes are always a great place to start diagnosing problems on today’s modern computer controlled vehicles.