What Causes Irregular Idle Shaking in an Old Teana?
1 Answers
The irregular idle shaking in an old Teana is caused by unstable oil pressure, severe carbon buildup, ignition system issues, and aging component failures. Below are detailed explanations and solutions: Unstable oil pressure: Abnormal fuel pump supply pressure or incorrect readings from the intake pressure sensor can cause body shaking, requiring oil pressure adjustment. Severe carbon buildup: A dirty throttle body or excessive carbon deposits on the fuel injectors necessitate carbon cleaning. Ignition system issues: Poor ignition system performance or faulty spark plug firing can lead to this symptom, requiring spark plug replacement. Aging engine components: If the engine mounts are faulty, vibrations can transfer to the steering wheel and cabin, causing engine shaking at idle, which requires component replacement.