Your vehicle has electronic throttle control an the Throttle position sensor's are internal to the throttle body assembly ! Your vehicle has two throttle position sensors .
Throttle Body Assembly
The throttle assembly contains the following components:
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The throttle blade
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The throttle actuator motor
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The throttle position (TP) sensor 1 and 2
You have to replace the Throttle Body Assembly !
Disconnect the negative battery cable. Remove the inlet hose assembly from the throttle body. Disconnect the throttle body electrical connection. Disconnect the hose clamps from the plenum-to-runner connector using theJ 43914 .
Remove the intake plenum bolts. Remove the EGR passage bolt. Rotate the plenum up and remove the throttle body coolant hoses, EVAP hose, and vacuum line from the throttle body.
Remove the throttle body nuts. Remove the throttle body.
SOURCE: 2003 Saturn L300 indicator lights stay on: ABS, SES...etc
first problem, went to autozone. the guy that looked at your car was making pizzas last week. they pull codes and sell you every part you will buy. take the car to the saturn dealer and replace the bcm.
SOURCE: 2003 Saturn L300 odometer reads 694,278 miles and
change the whole instrument cluster with one from a wreck.
SOURCE: body control module for 2003 saturn l300
the body control module or BCM is located on top of the inside of the glove box,remove the lower trim panel under the passenger foot well under the glove box,the the 4 screws that hold the glove box door on,,,then the screws that hold the box to the dash and the BCM is slid into the top of the box,,,,,,you are gonna need it programmed as it comes new blank,and the car will not start with out a program
SOURCE: Saturn 2003 L300 quits running and takes about 30
Start with the simple by replacing your fuel filter, but most likely it's going to be your fuel pump that will need to be replaced soon. It's common for the fuel pump on the Saturn's to go weak after a few years, the piston and the cylinder sleeves after a few years wear and the clearance is much grater when the pump heats up.
The extra clearance will cause the fuel pressure to drop just enough to keep the fuel injectors from working. Once the pump has cooled down enough for the piston and cylinder sleeves to create enough fuel pressure, your engine can run again.
You may get luck as mentioned to start with the simple and replace your fuel filter first, then the fuel pump if that did not help.
Thank you for using fixya and good luck
SOURCE: 2003 Saturn L300 dies suddenly while driving, will
check fuel filter and then replace fuel pump
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