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A hard cold start on a 2001 Chevy Tahoe with a 5.3 liter engine can be caused by several factors, including a weak or failing battery, faulty fuel injectors, or issues with the fuel pump. Additionally, problems with the ignition system, such as worn spark plugs or ignition coils, can contribute to starting difficulties. Cold weather can exacerbate these issues, making it harder for the engine to start. Regular maintenance and timely replacement of worn components can help prevent cold start problems.

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1mo ago

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