Question about 2003 Hyundai Santa Fe
First things first. My experience tells me you need to test a few things first before you spend a lot of money. Find an OBDII scanner & check for any powertrain trouble codes (DTC's). If any, investigate & repair as needed.
1. Check fluid level & condition of trans - should be at the 'full' mark and relatively clean. If low or dirty, replace & adjust level. Use ONLY Hyundai SPIII fluid.
2. Check/test the throttle position sensor (potentiometer) for any bad spots (use an analog ohm meter).. if you don't know how to do it, find someone who does. Replace as needed.
3. ZERO out the TCM (PCM). This clears all adaptive values in the computer (this computer is a learning computer and accumulates driver's driving habits). This can be done by disconnectiong both battery cables and touching them together for 30 seconds. Then reconnect them to the battery.
4. Now, if your Santa Fe has the 3.5 lit V6, then your engine is equipped with the ETS (Electronic Throttle System) which incorporates another sensor called the APS - Accelerator Position Sensor - check this one as well (also a potentiometer). replace as needed.
Posted on Sep 07, 2009
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Posted on Jan 02, 2017
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