Sonata loses power - Limp mode
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Sonata loses power - Limp mode - 3/13/2007 2:33:21 AM
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HyuSon
Posts: 4
Joined: 3/13/2007
Status: offline
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Hi
I am a new owner of 1999 Sonata. Ever since I have bought it, at least once every two days, the car changes gear with a thud and then it loses all its power. It gets stuck in 3rd gear or so. When I change the driving modes to Reverse the whole car shakes. However, when I switch it off, and start again, the car drives incredibly. I took it to the specialists, but they could not find any code when they connected the scanner computer, though physically they too felt loss of power.
Does anyone know how to fix this problem? Or atleast, the various possibilities of this problem? Thank you.
HyuSon
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RE: Sonata loses power - Limp mode - 3/13/2007 4:02:16 PM
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Doohickie
Posts: 856
Joined: 2/6/2006
Status: offline
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Do you get a Check Engine Light? If so, what is the code? It could be something relatively simple to fix such as a speed sensor. There are sensors that measure engine rotation, transmission rotation and wheel rotation. If the signals from those get out of sync, the transmission gets confused and goes to a third gear limp home mode.
It could be something more serious, but you need to get it checked. If you get the CEL code read and it points to a specific sensor, you might be able to change it out yourself and save some money.
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