20 Most Recent 2004 Hyundai Santa Fe - Page 5 Questions & Answers

The most common cause of this is thermal shock (gasoline is very cold out of the ground) to the electric fuel pump inside the fuel tank, when the pumps get worn the decrease in temperature from the gasoline causes the pump to stick. This is a question I see fairly often, so I did research to see what the common cause is. Next time this happens have the fuel pressure checked.

Time to go to a transmission shop. You could try a complete tranny flush at sears first and have the filter changed.

IF this vehicle has a MAP sensor it will be mounted to the intake manifold surge tank

yes all Hyundai engines are this way

the tune up needed is probably replacement of the injectors as most problems as you describe comes from bad injectors have the fault codes read to check for failing , crank ,cam position sensors or other sensors that affect performance

Hyundai Workshop Manuals

POSSIBLE KINKED OR CLOGGED VENT HOSE ON THE GAS TANK

I would need to drive this to try and diagnose the issue. Take it to a tire and front end shop and ask them to drive it and give you an idea what is wrong.

Your ECM may have a poltergeist.

IS THE SOCKET GOOD (ANY CRUD BUILD UP IN THE SOCKET) CHECK THE WIRES TO THE SOCKET FOR GOOD CONNECTIONS.

It has a failure in the engine or transmission, this was sensed by the control computers and to avoid any further damage it put you in the low power limp mode. You need to have the system control modules scanned for fault codes to see what went wrong.