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P1682 Runs rough in cold weather

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Runs ruff while cold at start up


There is a door in your air intake that is thermoststicly controlled
that is to remain partially closed until tge engine warms up.Thereby letting in cold air on a cold engine, causing it to run rough.

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Lincoln ls cold start idles rough in the morning


Do you have a block heater? You can have on installed if not, then plug your car in over night. You car will run much smoother in cold weather.

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96 Jimmy runs better in cold weather than warm


Hi Buc, have a look at all the intake manifold ducting and make sure nothing is broken and leaking air. Also make sure that all vacuum hoses are fitted tight and correctly and they are not loose, broken or cracked. It will be better to check each by disconnecting, checking and refitting. Let me know how you get on. Have a happy new year. Regards John

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1 Answer

2004fordtaurus3.0 engine runs rough in cold weather when started. like today in new york 13degee


You know what...there's nothing wrong with your engine...When metal is cold...it contracts...thus causing more friction between moving parts...this is why your motor runs rough in cold weather...I'm gonna give you a crazy suggestion...Have you heard of a "Block Heater"...it is a heated dip stick that you place in your engine overnight..
this device keeps your oil at operating temp overnight...so when you start your car....the block is warm...and the oil flows like magic..just pull out your dipstick...insert the block heater...and rest easy...of course...it has to plugged into a 110 volt outlet...You can find these online by Googleing it or go to www.yourautonetwork.com...Give it a try and let me know....I hope this was helpful....PEACE.....

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1 Answer

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1. Injector cleaner.2. Does it have enough miles (75K-plus) to consider changing plugs?3. What's the air cleaner look like?4. Any codes showing?Here I am trying to give answers when I probably know less than you....Good luck.

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1 Answer

During cold weather the engine runs fine but during warm weather the engine dies


Could be a problem with your intake air temp sensor or your coolant temp sensor. The most likely would be the coolant temp sensor. It may be reading cold and will make it run good as the engine is cold but as it warms it is not adjusting the air fuel ration to the proper levels making it run rough hot

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check your glow plug relay! located on the right side head

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