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To help a 1988 Chevy Nova pass a smog check, start by ensuring the vehicle's emissions system is functioning properly; this includes checking the catalytic converter, oxygen sensors, and EGR system. Perform a thorough tune-up, replacing spark plugs, wires, and air filters to enhance engine performance. Additionally, consider using a fuel system cleaner to reduce carbon buildup and ensure the engine is running efficiently. Finally, drive the car for a while before the test to allow the emissions system to warm up and function optimally.

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1mo ago

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