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Stumped? Post your question here for GM Master Techs. Serious inquiries only. Please include your VIN and codes. 



*-This is not offical vehicle service advice. Please see your dealer for any serious or safety related issues.


16,054 topics in this forum

  1. blown engine

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  2. horn problem

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  3. Trans cooler

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  4. SES Code p0430

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  5. Fuel Injectors

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  6. Throttle Position Sensor

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  7. Is my fuel sensor bad?

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  8. Transmission Issue?

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  9. Idle RPM

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  10. Service manuals

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    • 2.8k views
  11. Restoration

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  12. Testing O2 Sensor

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  13. Fuel system flush

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  14. body/interior creak

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