It's a fault for the throttle position sensor. Hyundai has a TSB that says if you have the trouble code to replace the sensor and update the ECM software (Engine Control Module)
SOURCE: HOW TO YOU GET AT PRESSURE SENSOR ON COMMON RAIL HYUNDAI SANTA FE 2007 CDX
This is what it looks like
SOURCE: 2007 Hyundai Santa Fe - Replacing fog light
hi have not had pleasure of this on santa fe yet? but will try to help dependant of which side o/s or n/s ? i would first remove the screws holding the front of the under engine plastic cover/shield and drop down sufficient to gain view/access? to the rear of fog lamp then if a cover is on? try turning anti clock to remove? or if rubber cover pull off? then the bulb and clip should be visible? unplug the wire from bulb then the spring clip holding bulb in place normally just sring the 2x top ends together and swing down/clear to remove bulb? refit new bulb correctly! pay attention to position old bulb positioned? then clip securely and re connect wire at this stage it would be best to ensure bulb works ?? before you re assemble all else? wish you luck and hope this helps with your problem ?
SOURCE: ''check engine light'' illuminated, 1004 Hyundai, Santa Fe
If you live in the US, take it to qany Auto Zone store and thy will read the codes off for you, I would suspect any right thinking competitor would do the same, check if you don't have one near by.
Hope this is of some help.
Ed
SOURCE: 2005 hyundai santa fe check engine light on...
Definition of P0171 is Applied to All Manufacturers
Powertrain:
System Too Lean Bank 1
Definition of P0174 is Applied to All Manufacturers
Powertrain:
System Too Lean Bank 2
SOURCE: I have a 2007 Hyundai
P2106 is a Throttle Actuator Control System - Forced Limited Power. P2135 is a Throttle/Pedal Position Sensor/Switch "A"/"B" Voltage Correlation. Replacing the TPS will clear both these codes. The P1295 code is a electronic throttle system malfunction. ETC consists of a motor, a throttle body and a throttle position sensor
http://www.justanswer.com/questions/2u42t-i-have-a-2006-sonata-v6-and-runs-bad-has-code-p1295-what
http://www.hyundai-forums.com/t41429-check-engine-codes-p161bp2106p1295.htm
Technical Service
Bulletin
Subject:
DTC P2135/P0638 OR COLD ENGINE RPM
FLUCTUATION - TPS REPLACEMENT &
ECM UPDATE
Group:
FUEL SYSTEM
Number:
10-FL-010
Date:
AUGUST, 2010
FUEL SYSTEM
10-FL-010
AUGUST, 2010
MODELS:
EN VERACRUZ, CM SANTA FE,
TG AZERA, EP ENTOURAGE,
NF SONATA, BH GENESIS
DTC P2135/P0638 OR COLD ENGINE RPM
FLUCTUATION - TPS REPLACEMENT &
ECM UPDATE
NOTE:
This bulletin revises TSB 09-FL-003-2 to add the Genesis Sedan (BH)
model to the applicability list. It also provides instructions to select the
most recent available ECM Update Events #166-178 or any higher event
numbers if they become available in the future.
DESCRIPTION:
Symptom/Condition:
Some 2.7L, 3.3L or 3.8L engines in models identified in the applicability list may
experience one or more of the following conditions:
• DTC P2135: Throttle position sensors 1/2 voltage correlation
• DTC P0638: Throttle actuator control range/performance
• RPM fluctuation while engine is cold (DTC not set)
NOTE:
Should either of the above DTC occur, the vehicle would have operated in
limited power "limp home" mode and stored the following DTC in the ECM:
• DTC P1295: ETC System Malfunction - Power Management
• DTC P2106: ETC System Malfunction - Forced Limited Power
APPLICABILITY:
• 2007-2009 EN Veracruz
• 2007-2009 CM Santa Fe
• 2006-2009 TG Azera
• 2007-2008 EP Entourage
• 2006-2009 NF Sonata with 3.3L Engine only
• 2009-2010 BH Genesis Sedan
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