Questions tagged [cold-start]

The act of starting a vehicle in which the internal combustion engine that is at or near the same temperature of it's environment.

Filter by
Sorted by
Tagged with
9
votes
3answers
18k views

Should I avoid full throttle when driving with a cold engine?

Apparently I should avoid full throttle until my engine temperature is warmed up fully (to 90 degrees on the gauge) Normally I just get in and drive normally after about 10 seconds, and then after ...
9
votes
4answers
42k views

Bad to run the car for a short duration, turn it off, and start up again?

Is it bad for the car to start it up in the morning, spend 10 seconds driving it out of the garage, then shut it off while I go close the garage door and then a few seconds later get in and start it ...
18
votes
3answers
9k views

Is it true that most of the engine wear during its life time occurs during a cold start up?

I have heard this idea several times, but is it true? Theories I read about why that might be true: The engine is running rich at startup because it is running in open loop, which can cause damage ...
21
votes
4answers
17k views

Is revving the engine to redline on idle at morning bad? [duplicate]

I own a Ford Ecosport Diesel Turbo 1.5 TDCI. Every morning when I start the car, I put it on neutral and rev it up to 6K RPM for 3 seconds then bring it back to normal idling without revving and start ...
8
votes
3answers
1k views

What are common cold weather starting issues with cars?

Based upon the current weather in parts of the Northern Hemisphere, I would imagine there are some people suffering from all manner of cold related vehicle issues. What are some of the leading issues ...
5
votes
3answers
6k views

Lack of power when cold under load

EDIT 8: Final update, I think. Using an OBD scan tool, I saw that the fuel trims were still very low to adjust for the vacuum leak. I reset the ECU and the trims went back to around 0, and the engine ...
5
votes
3answers
5k views

Cranks, but slow to catch. Dies after starting

Recently my 2007 Mazda6 (2.3L I4) has been taking longer and longer to start in temperatures colder than about 5 F (-15 C). The car usually sits overnight for about 12 hours after I get home from work;...
4
votes
3answers
5k views

Hard cold starts only

98 Jeep Cherokee (XJ), I6, 173k mi When trying to turn the cold engine over, I have to crank things for at least 3-5 seconds. In some cases it will not start on the first try. After starting it runs a ...