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If it is a 6cyl 1. if it is a v8 not sure if there is more than on the block, but there is one on the throttle body that has a small line going form the throttle body to the radiator. It keeps some one that can't read gauges from frying the motor, it also puts the motor at a idle when the car overheats.

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11y ago

What else can I help you with?