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Rough idle and poor performance, especially under load. HELP!

Hyundai Sonata The Sonata has grown to be the premier mid-sized sedan of the Hyundai name with the many interior options and the powerful V6 engine.

Rough idle and poor performance, especially under load. HELP!

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  #11  
Old 08-10-2018, 06:49 AM
Senior Member
Join Date: Sep 2013
Posts: 178
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Sorry Mr./Ms/Mrs. GLSV6RDU,

You know how it is when 2 old friends meet after a period of time !

From what you describe, I would be very suspicious of the crank sensor on your vehicle.
They don't usually throw any codes and can be intermittent along with affecting how the spark is delivered and the engine performs.
It can also affect fuel delivery.
Second and third opinions never hurt , what if you ran this suggestion by the shops you use?
 
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