code P2118
#4
#6
Your throttle body may need replacement. If you don't like your mechanic you should be looking for a better one.
These cars do not have mechanical throttles. When you press on the accelerator a potentiometer sends a signal which is translated to movement of a motor in the throttle body. The error code is telling you the computers thinks the motor is failing, or somewhere the wiring is shorted. The service manual says to check the motor on the throttle body and its circuits, and install a new throttle body assembly if necessary. To do so you need to get underneath the truck, remove the undershield, then remove the air intake from the throttle body and remove four bolts to release and remove it. Reverse to install. Not exactly a complicated job, but it helps if you have a lift.
These cars do not have mechanical throttles. When you press on the accelerator a potentiometer sends a signal which is translated to movement of a motor in the throttle body. The error code is telling you the computers thinks the motor is failing, or somewhere the wiring is shorted. The service manual says to check the motor on the throttle body and its circuits, and install a new throttle body assembly if necessary. To do so you need to get underneath the truck, remove the undershield, then remove the air intake from the throttle body and remove four bolts to release and remove it. Reverse to install. Not exactly a complicated job, but it helps if you have a lift.
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