Chevrolet Repair Questions? Ask a Chevy Mechanic for Answers ASAP
Hello, my name is ***** ***** I am a professional here at Just Answer. I have noticed that your question was not getting a response and thought I would see if you still need help with this.I apologize for the delay and I hope I can still assist you with this here.
The codes you have listed can be caused by any of the following,
I would suspect you are going to need to do as the service bulletin requests. That means replacing the line as well as the injectors. There really is not much else that will set these codes and its a known concern as well. See the test steps in the link below.https://dl.dropboxusercontent.com/u/104923897/Vac%20test%20Feb%2024.pdf
Well make sure you replaced them with the part number listed in the service bulletin and be sure to check the return line. There really is nothing else that will set these codes.
I would agree with you . I really think your going to find the injectors are the cause here.
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In reference to what?
See the diagram in the link below, its #2 in the diagram.https://dl.dropboxusercontent.com/u/104923897/Relay%20Feb%2024.pdf
That sure sound like the injectors are bad to me.
See the steps and specs in the link below.https://dl.dropboxusercontent.com/u/104923897/Injector%20pressure%20test%20Feb%2025.pdf