Sentences with phrase «cold start the engine»

When starting from a cold start the engine will turn over, reach around 1000 rpm, then die.

So if I understand correctly, every cold start the engine the engine wants to stall / misfires?

After the cold start the engine is temporarily fully uncoupled from the cooling circuit, considerably shortening the warm - up phase with its high loss of friction.

Not exact matches

This is because the engines are built to such fine tolerances that starting the car up with a cold engine would damage it instantly.

«The increase in emissions at lower temperatures is related to a more pronounced cold - start effect,» when a gasoline engine is less efficient because it's not yet warned up and its catalytic converter is not yet on, the study noted.

A new concept might help to efficiently treat exhaust gases after the cold start of engines and in urban traffic and to reduce the consumption of expensive noble metal.

The concept can be used among others to significantly improve catalytic performance after the cold start of combustion engines and when driving in urban traffic.

90 percent of all pollutants are produced in the first minute after a modern gasoline engine cold - start.

What tends to be overseen in the diesel debate: gasoline engines contribute to particulate emissions in the cities, too, especially in places where many engines do a cold start.

The researchers also found that almost all emissions in properly functioning, new vehicles came out immediately after starting the cars when their engines were cold.

Yet, the catalyst would still have to work when an engine is started cold and must clean up the exhaust before reaching 150 degrees Celsius, more than 100 degrees Celsius less than current systems.

«The lower operating temperatures during cold start are due to increasing fuel efficiency in advanced combustion engines, which leaves less energy in the tailpipe exhaust,» said Abhaya Datye, a distinguished professor at UNM's Department of Chemical and Biological Engineering and study co-author.

Yet the catalyst would still have to work when an engine is started cold and must clean up the exhaust before reaching 300 degrees Fahrenheit, significantly lower than current systems.

The lower operating temperatures during cold start are due to increasing fuel efficiency in advanced combustion engines, which leaves less energy in the tailpipe exhaust, said Datye, a study co-author.

As the other answers say, the engine will idle high to start with, as the ECU compensates for the colder block and thicker oil by running the engine richer.

Most likely, one or more of your glow plugs have failed (so they don't heat up the cylinders and promote ignition when the engine is cold), or the system that turns them on at cold start is malfunctioning.

Another scenario one can imagine is that the app doesn't display the higher consumption shortly after starting a cold engine.

When it gets down to -15 F, it'll even do a thing where it starts to idle after start, then just shuts off and I have to restart it every time when the engine is cold (second start it'll stay running as long as I don't touch the brake until it gets some heat in it).

Temperature: When the engine is cold, the material shrinks, so there is some changes at the compression ratio, and that makes the power slightly different, or maybe the engine can not starts.

However it does make it very much easier for the engine, so starting will be easier in adverse conditions (cold / altitude) where otherwise the engine might not catch.

So not only does it suffer a high rate of wear at start - up and when the engine is cold, it suffers a high rate of subsequent corrosion during normal running or even when stationary.

my car has been consuming oil for a while now but only recently has started to smoke when it is started while the engine is cold.

The engine would get enough spark to cold - start, and was turning fast enough to keep rotating if it didn't get enough spark to fire, but had too much resistance when the engine was hot.

Most non-plug-in-hybrids have an EV mode that can be activated for these short trips to prevent the internal combustion engine from starting due to being cold,...

my Chevy Cruze 2011 on two of the past extreme cold days (Canada), the temperature was on -32 to -38, didn't have the power to start the engine.

In addition to that, cold engines and oil demand more power from the battery to start than at normal temperatures.

It doesn't do it on the first cold start but as soon as the engine is warm I start it up and a few seconds into driving it bogs down feels like its lost all power and then shortly after you can see...

However, this alone will not explain why the engine misfires only when cold, since the engine should be running in cold - start enrichment mode to avoid that scenario.

Cold - start enrichment is there for a reason; cold engines need the extra fuel injected to compensate for the relative lack of fuel vaporizatCold - start enrichment is there for a reason; cold engines need the extra fuel injected to compensate for the relative lack of fuel vaporizatcold engines need the extra fuel injected to compensate for the relative lack of fuel vaporization.

Id take it back to the shop, drop it off for a day so they can start it with a cold engine and replicate the issue.

Apart from a pronounced cold - start diesel clatter, the engine is reasonably quiet, the suspension strikes a decent balance between composure and cushiness, and the cabin impresses with much - better - than - expected fit and finish.

Some vehicles equipped with a 6.0 L diesel engine may experience white smoke, lacks power, exhaust odor, surges, runs rough, or no start when cold.

I had similar symptoms in my»97 Civic: ran great when cold, tough to start when engine was hot, engine would stall under load (getting going from a stop), but would also have an intermittent rough idle.

Also, if cold start enrichment is required for ethanol engines, then it does definitely emit VOCs, as all of the ethanol in a rich mixture can not burn.

The misfire happens after a cold start with minimal throttle (note the time since engine start in the freeze frame).

In the morning, when the engine is cold, it starts fine with a single crank.

Again; this only happens during a cold start; never during a «warm start» when the engine oil is already warmed up, nor during driving.

Basically, when the engine is cold, it starts like a dream.

Car always has 10 - 12 degrees of ignition timing at idle on cold start then progressively drops to 0 degrees ignition timing at idle once reaching full operating temperature and engine fan cuts in.

Being from Canada, I feel compelled to mention that if you do not depress the clutch while starting when it is at all cold out (let's say < 0 Celsius) you will notice the starter motor labouring significantly as it spins both the cold engine and the cold transmission.

Turn the choke ON to start a cold engine.

When you wait 30 minutes, the engine has had a chance to become slightly colder, and therefore, the cold engine start procedure works.

The cold weather prompted the Voltec system to start up the gas engine for a short while, and as I got to the Tech Center, I had used 3.1 kW - hrs for 5.8 miles and 0.10 gallons for 2.6 miles.

After a week of driving, the power steering started to screech whenever I turned the wheels while the engine was cold (with warm engine the eerie screeching sound...

The ECU thinks the engine is always cold, and is trying to start a warm engine like it would start a cold engine.

When the engine is completely cold or at normal operating temperature it consistently cranks quickly and starts great within two seconds.

Yours, apparently is not opening the ground and the cold start valve is spraying fuel in when hot, in which case the engine floods and will not start.

The hot start relay provides a delayed intermittent spray from the cold start valve when engine hot and cranks more than 2 - 3 seconds.

Cold engine test: Start the engine.

The trouble is that they have very small inlet / outlet holes to admit oil, and often get clogged up, restricting the flow of thick, cold oil at engine start and causing the tapping noise.