2003 Hyundai Santa Fe will start then die. Then it will not start. After pumping the accelerator or holding on the floor and returning later it will start. Nothing codes out. This happens probably 15% of the time. Any ideas?
A bad crankshaft position sensor can cause that problem.
Tester
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With the info provided, what Tester said seen like a good start…
Remember that you are no longer driving a vehicle with an accelerator pump e.g. carburetor, so opening and closing the rear hatch does about as much good as pumping the accelerator pedal, the accelerator (gas) pedal only controls the amount of air going to the engine, the ecm loosely controls the fuel delivered to the engine… more technical than that, but sticking with the basics…
Even though you are not showing any codes, did you check for pending codes and or history codes??
I am guessing when it does not start that it IS still cranking normally correct??
Keep us informed and sorry you are having issues…