Over the past 3-4 months, I have been experiencing a stumbling issue. This occurs all the time between 25 and 45 mph under light to moderate throttle. When under hard throttle, the issue does not appear. There has also been a rhythmic surge at highway speeds. The tachometer would jump every second while driving.
My 21 OB has 117,000+ miles. The spark plugs were changed at 105,000. I cleaned the MAF, mass airflow sensor; the MAP, manifold absolute pressure sensor and the IAT, intake…
Update
Over the past 3-4 months, I have been experiencing a stumbling issue. This occurs all the time between 25 and 45 mph under light to moderate throttle. When under hard throttle, the issue does not appear. There has also been a rhythmic surge at highway speeds. The tachometer would jump every second while driving.
My 21 OB has 117,000+ miles. The spark plugs were changed at 105,000. I cleaned the MAF, mass airflow sensor; the MAP, manifold absolute pressure sensor and the IAT, intake…
Torque Converter Shudder Adventure