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Old 02-28-2008, 10:55 AM   #1 (permalink)
 
Location: Tucson & Woodland Hills
Drive: VW Phaeton & SL600
Can you push start a smart?

Re: the dead battery post, can you bump start a smart by pushing it or rolling down a hill?
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Old 02-28-2008, 11:40 AM   #2 (permalink)
 
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Location: Sunland/Tujunga (LA), Cal US
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Quote:
Originally Posted by Westfield 11 View Post
Re: the dead battery post, can you bump start a smart by pushing it or rolling down a hill?
YES !

Donald LaFavor
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Old 02-28-2008, 11:56 AM   #3 (permalink)
 
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Location: Hampden, MA
Drive: smart fortwo passion coupe
Quote:
Originally Posted by Westfield 11 View Post
Re: the dead battery post, can you bump start a smart by pushing it or rolling down a hill?
Any computer controlled engine that exists through a cat you run a risk of killing the cat with a minor blast caused by raw fuel getting lit off there.
I will pass thanks
karl
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Old 02-28-2008, 12:12 PM   #4 (permalink)
 
Location: usa
I have a question. Or two. Does the ECU know that you are in 'start' mode if the key is left in the run position? In start mode I assume the air/fuel ratio is modified. If the battery is dead forget it. The alternator will not help you, you will have no fuel pump and so on. But I think the actual question is a situation where the battery is too low to spin the starter. Since there is no clutch pedal, the normal way to decouple the starting motor on a push start, do you move the lever to neutral? How fast is that process? I suspect that is also an electric motor to make that change. As for raw fuel, this does not appear much different than the cylinder discharge in a situation where the car will not start because of a wet ignition. This is speculation on my part and I hope to learn more.

Last edited by Kysmart; 02-28-2008 at 12:18 PM.
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Old 02-28-2008, 12:28 PM   #5 (permalink)
 
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Location: Hampden, MA
Drive: smart fortwo passion coupe
Quote:
Originally Posted by Kysmart View Post
I have a question. Or two. Does the ECU know that you are in 'start' mode if the key is left in the run position? In start mode I assume the air/fuel ratio is modified. If the battery is dead forget it. The alternator will not help you, you will have no fuel pump and so on. But I think the actual question is a situation where the battery is too low to spin the starter. Since there is no clutch pedal, the normal way to decouple the starting motor on a push start, do you move the lever to neutral? How fast is that process? I suspect that is also an electric motor to make that change. As for raw fuel, this does not appear much different than the cylinder discharge in a situation where the car will not start because of a wet ignition. This is speculation on my part and I hope to learn more.
try search this has all been beaten to death
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Old 02-28-2008, 12:43 PM   #6 (permalink)
 
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Location: Sunland/Tujunga (LA), Cal US
Drive: 06 450 Passion Cpe
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Quote:
Originally Posted by Kysmart View Post
I have a question. Or two. Does the ECU know that you are in 'start' mode if the key is left in the run position? In start mode I assume the air/fuel ratio is modified. If the battery is dead forget it. The alternator will not help you, you will have no fuel pump and so on. But I think the actual question is a situation where the battery is too low to spin the starter. Since there is no clutch pedal, the normal way to decouple the starting motor on a push start, do you move the lever to neutral? How fast is that process? I suspect that is also an electric motor to make that change. As for raw fuel, this does not appear much different than the cylinder discharge in a situation where the car will not start because of a wet ignition. This is speculation on my part and I hope to learn more.
ROLL STARTING

1. Foot on brake
2. Ign. on
3. Shift to Neutral
4. shift to + and hold, 'N' changes to '1'
5. Foot off brake put accelerator to floor
6. Begin rolling
7 car starts

Donald LaFavor



You don't need a really steep hill nor high speed
Works for me.
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Old 02-28-2008, 03:49 PM   #7 (permalink)
 
Location: Tucson & Woodland Hills
Drive: VW Phaeton & SL600
I live on a hill and will try this tomorrow. It's a good tool to have in your kit if the starter won't work for whatever reason.
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Old 02-28-2008, 05:29 PM   #8 (permalink)
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Old 02-28-2008, 05:53 PM   #9 (permalink)
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Being neither technophile nor technophobe, just technologically inclined, I'm tempted to say "read the fine manual". But I do understand that some manuals are difficult to read, let alone understand. Is this the case here? (I'm still waiting for delivery...)
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Old 02-28-2008, 07:00 PM   #10 (permalink)
 
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Location: Annarbor, Michigan. (a2)
Drive: Subaru, Smart
Manual OK.

JPaul: Manual is better than most. But any car manual is, at least, worth one or two reads just to know where to find things.

A2Jack
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