Chevrolet Repair Questions? Ask a Mechanic for Answers ASAP
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Even though the fuel injectors have already been replaced it is common around the 70,000 to 80,000 miles mark unfortunately that they start to fail again on this engine here.I would have the fuel injectors balance test done to see if one or more is found to be at fault.This will have to be done with a scan tool that can read the injector data signals.Most likely the scan tool or code reader that was used is one that cannot do this.If you need the info on how to check these and what the values should be let me know.
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