Why would my sonata Lunge when braking and then lug until it stalls when stopped completely?
What is your question?
First of all, when first put into drive it slams into drive with serious force. Then it’s idle is so high I can take my foot off the throttle and it’ll propel itself. Then when I come to a stop it will want to continue lunging and lugs down so bad that the Engine “Diesels” out and dies. Like it would IF it were a Manual and I just applied the brake bur not the Clutch. Please Help?’
What makes this problem better or worse?
Nothing
How long has your 2006 Hyundai Sonata had this problem?
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Hello, Dave here, contributing to RepairPal and providing expert advice since 2010.
You did not mention how many miles are on this Sonata, and if there are any warning lights or other indicators illuminated.
It sounds like perhaps there are two concerns; one related to a very high engine speed at idle, which is likely due to an unmetered air leak or some kind of control valve sticking high. Testing must be performed. The second concern is possibly with the transmission itself, with the lugging and performance. Testing is needed separately here also.
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