How many of you are lazy like me?

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RavnShield

Member
Jul 18, 2002
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Almost everytime when I come to a red light that just turned red, I shift to neutral and let off the brake. Or I just yank on the ebrake after I stop then let off brake (its atx btw).

Sometimes I worry about gettin rear ended, but wth, I drive crap anyways.

If I stick it in neutral, am i saving gas? B/c if I am in drive, the car still goes even w/o giving it gas.
 
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MrScott81

Golden Member
Aug 31, 2001
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i shift to neutral too, but I didn't think it did anything one way or the other...does it matter?
edit: i drive a manual, not an automatic.
 
rh71

rh71

No Lifer
Aug 28, 2001
52,844
1,049
126
save gas ? How much do you think is being used if you don't step on the accelerator ?

BTW, even if you drive crap... you may get catapulted into an intersection and get T-boned big-time. The condition of your car isn't what should worry you at that point.
 
jlee

jlee

Lifer
Sep 12, 2001
48,518
223
106
If your foot is off the gas, the throttle should be shut..so I would assume it would use the same amount of fuel.

I don't worry about saving gas, though..at least not to that extent. =)
 

Want to hear a detailed explanation on the intricacies of fuel injection ?
 
Demon-Xanth

Demon-Xanth

Lifer
Feb 15, 2000
20,551
2
81
I always go to neutral and let off the clutch to save wear on the throwout bearing and so my leg doesn't go to sleep when I'm waiting on the second or third cycle while trying to get through the screwed up signal timing. (when only 1/3rd of the turn lane, 5-6 cars, can make it through a major signal, the timing's too short)
 
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RaynorWolfcastle

Diamond Member
Feb 8, 2001
8,968
16
81
I'm not positive about this but I think that going into neutral uses more gas than leaving it in gear. This is because when you shift to neutral, the car has to give the engine some gas so that it doesn't stall whereas if you leave it in gear, the car is wheel driven (hence no worries about stalling) and no gas is used. Roger, please correct me if I'm wrong about this :)

edit: My bad, I'm talking about slowing to a stop.
 
Demon-Xanth

Demon-Xanth

Lifer
Feb 15, 2000
20,551
2
81
Raynor: at a stop, an automatic transmission drags the engine down and the torque converter takes the heat from one side not moving and one side maintaining idle. There's any wheels keeping the engine speed up at a stop (...that aren't bolted directly to the engine)
 
rh71

rh71

No Lifer
Aug 28, 2001
52,844
1,049
126
Originally posted by: Roger
Want to hear a detailed explanation on the intricacies of fuel injection ?
Click to expand...
how about the brief version ?
 
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RaynorWolfcastle

Diamond Member
Feb 8, 2001
8,968
16
81
Originally posted by: Demon-Xanth
Raynor: at a stop, an automatic transmission drags the engine down and the torque converter takes the heat from one side not moving and one side maintaining idle. There's any wheels keeping the engine speed up at a stop (...that aren't bolted directly to the engine)
Click to expand...

My bad, I meant this to be when coasting to a stop. I just reread the OP, and I had misread it at first, I thought he was talking about coasting to a stop.
 
E

Eli

Super Moderator | Elite Member
Oct 9, 1999
50,419
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81
Originally posted by: RaynorWolfcastle
I'm not positive about this but I think that going into neutral uses more gas than leaving it in gear. This is because when you shift to neutral, the car has to give the engine some gas so that it doesn't stall whereas if you leave it in gear, the car is wheel driven (hence no worries about stalling) and no gas is used. Roger, please correct me if I'm wrong about this :)
Click to expand...
Why in fscks name would putting the transmission into neutral cause the engine to stall? :confused:

While in neutral, our Camry idles at about 1000RPM. In Drive, it idles at about 850RPM... I guess you could consider that fuel savings?

My dad shifts it into neutral because there is a noticable shake at 850RPM ... I guess I've never thought about it. Does it really wear on the transmission?
 
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RavnShield

Member
Jul 18, 2002
142
0
0
Sometimes, esp in summer, when i come to a stop, the car will shudder, and shifting to neutral takes care of that.
 

RaynorWolfcastle

It all depends on the programming of the ECM by the vehicle's manufacturer, light weight economy cars geared for the fuel saving market shuts off the fuel and goes into idle mode when the accelerator pedal is released, on luxury cars or vehicles with a weight over 3,200 lbs the ECM is programmed to inject enough fuel to keep the car rolling to a slow stop, it also depends on the following ;

Vehicle weight
Over all gearing
Type of transmission
The torque curve of the engine
Emissions
Rolling resistance
Engine balance

Now please understand that this is a general rule, it differs from manufacturer to manufacturer and from car line to car line and from state to state, there are many more variables involved.

Raynor: at a stop, an automatic transmission drags the engine down and the torque converter takes the heat from one side not moving and one side maintaining idle. There's any wheels keeping the engine speed up at a stop (...that aren't bolted directly to the engine)
Click to expand...

:confused:
 
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