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HiCustomer Welcome to JA. I am Buddy, and i will try and help you out. Here is info on code.
Accelerator Pedal Position Sensor Circuit - shorted low. Low voltage detected at accelerator pedal position signal circuit.
Severe derate in power output of the engine. Limp home power only.
The accelerator pedal position sensor is mounted to the accelerator pedal assembly.
Possible causes of this fault include:
I hope this helps you out. If you have anymore questions, just ask.
Thanks for the reply.128 is message identifier for engine. Each component have there on mid numbers. Engines are 128. Usually when you get a fault code , it will start out with 128 and then the fmi and pid or side number.What is some of your symptoms when check engine light comes on? Also if you have anymore questions, just ask.
Thanks for the info. I would inspect the plug in at throttle sensor for corrosion and plugged in good. If that looked good, i would try a throttle position sensor. This is pretty common sensor to fail. If you have anymore questions, just ask.