Quote:
Originally Posted by EFI Tuning
To an extent. If the dealer goes to GM with a hole in the block GM is going to request information from the ECM. It will be out of the dealer's hands unless the dealer chooses to pay for the repairs out of their pocket.
20 years ago you could talk your way through to full coverage. Not anymore. Nor should we expect GM to cover issues they didn't create.
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Are you saying all tuning is the source of engine issues? I thought they had to prove the tune is what caused the issue.