Join Date: Apr 2010
Drives Santa Fe 2006 3.5L
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I managed to get it home going down some back roads. Uphill was a real struggle as there just was no power at all. Even in park, pushing the gas pedal does very little. The first half of the pedal gets no response, the second half down of the pedal revs the engine but seems to be a flat acceleration like it hits a plateau and won't go any higher no matter how far down the pedal is pushed.
I'm really clueless on this. Seems like it would be some kind of accelerator issue? I replaced the plugs this spring but did not replace the wires or coils then, but that doesn't seem likely to be it unless something gave out completely. It also felt like it wasn't shifting right on the way home, but that is probably due to the low speed. Had the tranny fluid replaced last month too.
On the way home I could be coasting along at close to 40mph after going down a hill, and then when I stepped on the gas it actually seemed to take momentum away.
Could there be a vapor lock somewhere? Other ideas?
hate to break down and take it to the dealer, but I don't know where to start.