Questions tagged [temperature]

Use for questions where temperature is a significant feature – e.g., problems that occur only at a specific temperature.

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6
votes
2answers
6k views

How exactly does an increase in engine temperature cause a car to breakdown?

I have an engine temperature gauge on the dashboard of my car (as most people do), but if for some reason the engine temperature is caused to increase (due to a lack of cooling or what have you), the ...
4
votes
3answers
1k views

What causes more gas consumption - Idling with AC or Heat?

So I have begun doing some research on the effects of idling. So my question is, does idling with the AC or heater on affect how much gas is given off? If possible, please give the percent of extra ...
11
votes
5answers
85k views

Car won't reach operating temperature

Here's a seemingly simple problem - I noticed that the temperature gauge of my mother's 2004 Opel Meriva 1.7CDTI won't ever climb above minimum. I checked the OBD readings to see if it was a defective ...
9
votes
3answers
52k views

Does revving a car when cold make it warm up faster?

As winter comes along, I've always thought that revving the car would make it warm up faster, so the heating works better to clear the icy/steamed up windows. Does revving my car at idle to about 2-...
6
votes
1answer
414 views

Does the dash temperature sender unit also provide input to the ECU?

The temperature gauge on my 98 Mazda 626 2L MTX recently went all wonky, most of the time it's pegged low, but sometimes in just jumps around, but never above the actual temperature of the engine. ...
2
votes
0answers
148 views

Can pressure caused by temperature cause ignition coils to unseat?

I've got a Rotax engine that looks like this from the top: The ignition coils look like this when removed: Recently two of the three ignition coils unseated after approximately 10 minutes of ...
1
vote
0answers
18 views

Possible overheat

I have a 2011 Nissan X-Trail, 2.0 Turbo Diesel. Couple of days ago, we had a heat wave 39C / 102F. Normally the temp gauge gets close to the vertical axis of the cluster, so not really in vertical ...