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Where is the coolant temperature sensor located on a 1991 Pontiac Sunbird with 2.0 liter engine?

The coolant temperature sensor (CTS) on a 1991 Pontiac Sunbird with a 2.0L engine is typically located on the engine block, near the thermostat housing. It's often a single-wire sensor and is usually screwed into the block itself.

However, there's no single definitive answer without seeing the engine. It's best to consult a repair manual specific to your 1991 Pontiac Sunbird 2.0L. These manuals will have diagrams showing the precise location of the sensor. You can often find these manuals online (some are free, others are paid) or at auto parts stores.

Searching online for "1991 Pontiac Sunbird 2.0L engine diagram" might also help you visually locate it. Look for a sensor near the thermostat housing, often with a single wire connected to it. Be cautious when working around hot coolant.

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