Start with the basics, check air, fuel & spark delivery. Check that the air filter is clean, throttle body is clean and operates smoothly, fuel injectors are working properly, spark plugs/plug wires/coil are firing strong.. it might need a tune-up if it hasn't had one in a while. After that move on to sensors... O2 sensor(s), throttle position sensor, intake air temp, coolant temp, etc... all of those sensors provide input to the engine computer in order to adjust air, fuel & spark delivery.
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"None of you seem to understand. I'm not locked in here with you.. you're locked in here with me."
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