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P1491 Dodge - does it make it run pooriy

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does it make it run with a rough idle
Vehicle: 1999 dodge durango 360 5.9 liter

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P1491 Radiator fan control relay circuit

No this code should not cause the vehicle to run with a rough idle. What this code means is the radiator fan does not come on. what can happen is the engine can overheat, Overheating the engine can and will cause the engine to run rough.

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