Acura TSX fluctuating RPM issue while driving, not yet fixed on Acura TSX

Submitted by Vehicle Owner · Jun 23, 2025
Published by RepairPal

Problem overview

Some Acura TSX owners report experiencing fluctuating RPM issues while driving, which can be attributed to various factors such as clogged air filters, faulty sensors, and transmission problems. These fluctuations can also stem from worn engine parts, vacuum leaks, bad valves, damaged ignition coils, and clogged fuel injectors. Additionally, common causes include issues with the air intake, fuel, ignition, or vacuum systems. It is crucial for owners to diagnose the root cause of the RPM fluctuations to effectively resolve the problem, as ignition-related issues can lead to misfires and engine shaking, further impacting RPM stability. Utilizing an OBD2 scanner may help owners identify the cause of the fluctuations, potentially reducing diagnostic costs.

1 person reported this problem
0 comments
Schedule Repair

Acura TSX vehicles with this problem

0 model year affected

Search for another problem

RepairPal Car Genius

Ask our experts about your Acura.

RepairPal Car Genius™ is a free resource for vehicle owners seeking advice on maintenance, auto repair, shop inquiries, estimates, and finding a trustworthy repair shop in your area.

 Auto Repair Expert Auto Repair Expert

Available 9am – 6pm ET Monday through Friday

Call Our Experts
© 2026 RepairPal, Inc. RepairPal® RepairPal Certified®