Hesitant start, rough idle on 1999 Lincoln Navigator

When I try to start the truck, I have to press down the gas to start. When it eventually starts, it idles rough like it wants to shut off. This just started happening after it got really cold. Can you help ?

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1 answer
You most likely have a Power Train Computer system problem with a fault code to help you diagnoses the issue.
http://repairpal.com/check-engine-light
This is the first place to start, check your codes and then go from there.