04 Sonata RPM Gauge not working
Hello Everyone. new to site so forgive me. Have an 04 Sonat 4cyl with 141,000 miles. RPM Gauge doesn't work most of the time and check engine light is on. Went to Oriles and they said the code was p0320....
from time to time the gauge will work but only for a few hours and the check engine light remains on. about a week ago the light went off and the RPM gauge worked for 3 days.
Also noticed that the car seems to not be shifting right all the time. when going up a steep hill it doesn't always downshift unless i either give it more (alot more) gas or manually shift it with the shifter. Also some times when Cruise control is set it seems to get stuck when it should shift up.
Car runs good though other than that. was just gonna trade it in but decided against it. What is the problem and what do i need to do to fix it?
Thanks for all the info!
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