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October 1, 2002 Service bulletin

Misfire dtcs and catalytic converter damage due to installation of alarm systems

Am General technical service bulletin 020605004 for 2003 Am General Hummer.

Bulletin number
020605004
Component
Engine and engine cooling: exhaust system: emission control: catalytic convertor
Summary
Misfire dtcs and catalytic converter damage due to installation of alarm systems. 2003 and prior gm passenger cars and light duty trucks & 2003 and prior isuzu light duty trucks. Mr

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