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It's better to go ahead and replace it.

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15y ago

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The cold start valve connections on the 1990 and 1991 Volvo 740 Wagons are generally similar, but there can be variations depending on specific engine configurations and emissions systems. It's essential to consult the vehicle's service manual or wiring diagrams for precise details, as slight differences may exist between model years or engine types. Always ensure compatibility when replacing or diagnosing issues related to the cold start valve.


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The cold start valve on a 1991 Volvo 740 is located on the intake manifold, typically near the throttle body. It is designed to inject extra fuel into the intake during cold starts to assist in starting the engine. To access it, you may need to remove the air intake duct and other components for better visibility. Always refer to a repair manual for specific instructions and diagrams.


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