Why does my truck die when its cold?
Why does my truck die when its cold? If the coolant temp sensor is faulty and tells the computer that the car is all warmed up when it's really not, the computer might then reduce the amount of fuel going into the cylinders, which could cause a cold engine to stall. What does cold stalling mean? Cold stalling problems are the most common because the engine needs a richer fuel mixture to maintain idle speed until it warms up. Intermittent cold stalling problems are almost always fuel-related. Or, a defective coolant sensor may be telling the PCM the engine is...