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What would cause sputtering and hesitation for a cold engine? |
Answer
Well, a variety of things would cause sputtering and hesitation. When the engine is cold, the thickness of oil is greatly increased, and may not make it all the way up to the top of the valves and that would make the engine rumble and die. Colder temperatures also would make a throttle stick, causing hesitation. Your choke may be sticky. Maybe your temperature sensor is off, and is registering the 'cold' temp colder than it actually is. At any rate, plan an extra minute or two and LET YOUR CAR WARM UP before you drive it. And remember, everyone else on the road has had their cars sputter, hesitate, and die in traffic. It happens when its cold out.
Answer
Not everyone has this problem and you shouldn't either. Temperature sending unit is one source although there are many others. Best to drop it off the night before at a trusted mechanic so it is cold for him, and let him check it out.
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First answer by Emily. Last edit by Bclear. Contributor trust: 1328 [recommend contributor]. Question popularity: 189 [recommend question]
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