I have a 2003 Santa Fe GLS and the check engine light came on. I found out that it is the tps. where is the tps located in my car what is a resonable price to pay for the part and is this something i can do on my own?
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Re: Replacing a throttle position sensor
A sensor like TPS is very easy to change. It is located on the Throttle body. (the part that is at the opposite end of the air intake tube from the air box/ filter) The throttle body looks sort of like a small carburetor, if you look on the side of it you wil see a black sensor.. this is the TPS. It is usually held on by two or three screws and it will have an electrical plug as well.
The tps sensor is located on the throttle body. Follow your air filter system to the throttle body. Should be two screws and a wire connector. You may have to have the transmission codes reset after replacing it.
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TPS (Throttle Position Sensor) Diagnosis and Unde…: http://youtu.be/FJobCD6y8fk maybe this will help you http://www.hyundai-forums.com/sm-2001-2006-santa-fe/372690-p1192-code-help.html#/forumsite/20503/topics/372690 from what i understand iif itis your tps malfunctioning it will need to be rwplaced
my book shows p2127 code as accelerator pedal position (APP) sensor/switch E-- low input === causes wiring short to ground--APP sensor / switch. IT depends on the manufacturer as to the definition as the TPS can be on the air inlet before the manifold and on others it is at the base of the pedal. Because of the cost I suggest speaking with a dealer service centre to find out where it is and if you can save money by getting a unit from a wrecker that handles you make of vehicle then that is the way to go. Low mileage wrecks will have good units .
how did you know the TPS was bad? did you break anything (vacuum tube, wire connector) during repair? good ground? was it really clean in there when you installed new TPS? i don't know the santa fe, but did you disconnect the battery during this? you may have to reset the OBD system. if you have the OBD tester i think it has this function, or check usere manual, possibly a combination of actions involving ignition, shifter and/or lights.
The 04 Santa Fe came with three different engines. 4 cylinder (2.4 lit), and two different V6's (2.7 lit & 3.5 lit). The 2.4 & 2.7 use throttle cables connected directly to the throttle plate, but the 3.5 uses ETS (Electronic Throttle System) which uses two sensors (APS & TPS) and a control module (ETSCM). APS=Accelerator Position Sensor, TPS=Throttle Position Sensor, ETSCM= Electronic Throttle System Control Module. There are different diagnostic procedures for each system. Go to www.hmaservice.com and register your vehicle by VIN #.. you'll then have access to wiring diagrams, shop manuals, service bulletins, campaigns, illustrations and procedures, etc.
Check wiring connections between ECU and TPS (Throttle Position Sensor). Chances are your TPS has malfunctioned. The ECU (Engine Control Unit) monitors TPS signals at regular intervals. I trust your computer (ECU) to have done it's job... Replace the TPS Go to www.hmaservice.com and register your vehicle by VIN #.. you'll then have access to wiring diagrams, shop manuals, service bulletins, illustrations, etc.
It sounds like you have a faulty tps (throttel position sensor). If the car has a check engine light on, any auto parts store can check them for free. You should also take a good look at the vacuum lines, intake tube, and the air filter. Any vacuumleaks can cause erratic behavior. You may also want to buy a can of mass air cleaner to spray down the mass air sensor and tps as well as any other sensors on the intake. I hope this information is helpful.
If this is what I think it is, on the 3.5 Lit V6, you have an APS (Accelerator Position Sensor) and a TPS (Throttle Position Sensor). The accelerator pedal cable is NOT directly connected to the throttle body plate, it's connected to the APS. The APS sends its signal to the ETSCM (Electronic Throttle System Control Module) which in turn activates the ETS Motor located on the throttle body which opens/closes the throttle plate/butterfly. It's a very sofisticated electronic system. Both the APS and the TPS are known to go bad and simply replacing them is no guarantee of fixing problems in this system (often times it does, and frequently it doesn't). You should first verify there is a problem with these sensors (APS and or TPS). They are basic potentiometers (two circuits in each) which provide data to the computer regarding throttle opening for LOAD calculations (ignition timing, fuel injector pulse width, cruise control operation, etc). Best you have this system diagnosed by a professional technician who knows the system.
TRY THESE TWO (2) THINGS..
Step 1: Disconnect the battery cables and touch them together for 30 seconds (this ZERO'S out the PCM/ECM (Power Train Control Module/Engine Control Module). If there's GARBAGE in memory of this computer (PCM/ECM), this should CLEAR it.
Step 2: Check the Throttle Position Sensor (TPS, it's a potentiometer) for any ERRATIC resistance changes at idle position or any other position for that matter. If you find, what I call BAD SPOTS, in the TPS, replace it. I know of NOTHING ELSE which would cause the problem you describe and NOT turn on the "Check Engine" light