Q: Sonata '11 hesitates/jumpy at ~1800rpm or 38-45mph, also when cold and taking turns. Tuneup done. Not wheel related...any ideas?
Hi y'all.
For the last three months, my car (suddenly) started to hesitate and feel sluggish. It almost feels jumpy when I'm driving. It's not spark plugs, coils, wheels or tire related (aligned, rotated and balanced). Throttle body and intake system was cleaned also. No codes or CEL at all.
I've noticed it mostly at around 1800 RPM, and at around 40mph. No weird shifts or strangeness from the transmission. It sometimes feels like suspension, but even in neutral, and parked, it seems to happen at 1800.
Any suggestions would be great!
My car has 145000 miles.
My car has an automatic transmission.
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