Another push button starter question.
Thread Starter
Melting Slicks
Joined: May 2001
Posts: 2,812
Likes: 4
From: Gig Harbor Wa
Another push button starter question.
When starting the engine you just push the button and the computer engages the starter then disengages it when the car is running. How does the car know the engine is running and stop cranking?
Racer
Joined: Jul 2004
Posts: 380
Likes: 1
From: Gurnee Illinois
St. Jude Donor '08
OK here is a question, did not think it was worthy of it's own thread....
If car is running and you are cruising on the tollway at around 60 mph (hey it might happen!) and you by accident hit the button and turn the car off, do you have to hit the clutch and brakes to restart??
If car is running and you are cruising on the tollway at around 60 mph (hey it might happen!) and you by accident hit the button and turn the car off, do you have to hit the clutch and brakes to restart??
Drifting
Joined: Apr 2004
Posts: 1,651
Likes: 11
From: Seattle WA
Originally Posted by 70 LS1
When starting the engine you just push the button and the computer engages the starter then disengages it when the car is running. How does the car know the engine is running and stop cranking?
I doubt the computer has much if anything to do with it.
Melting Slicks
Joined: Jan 2004
Posts: 2,158
Likes: 4
From: Henderson Nevada
Originally Posted by toolking
I would venture a bet that it operates the same as a conventional starter. The button isn't magic .. just closes a circuit to activate the starter. When the engine fires the gear is spun back off the fly wheel. Nothing new or high tech. Remember that early cars were button started.
I doubt the computer has much if anything to do with it.
I doubt the computer has much if anything to do with it.
The 'Bendix' engages the starter gears into the flywheel. When the flywheel starts spinning faster than the starter gears, it is disengaged. Been doing it the same way since the early 20th century.
Melting Slicks
Joined: Mar 2005
Posts: 2,064
Likes: 1
From: Heaven, for the climate; Hell, for the company
Originally Posted by jgraditor
OK here is a question, did not think it was worthy of it's own thread....
If car is running and you are cruising on the tollway at around 60 mph (hey it might happen!) and you by accident hit the button and turn the car off, do you have to hit the clutch and brakes to restart??
If car is running and you are cruising on the tollway at around 60 mph (hey it might happen!) and you by accident hit the button and turn the car off, do you have to hit the clutch and brakes to restart??
Drifting
Joined: Apr 2004
Posts: 1,651
Likes: 11
From: Seattle WA
Originally Posted by mforman42
The 'Bendix' engages the starter gears into the flywheel. When the flywheel starts spinning faster than the starter gears, it is disengaged. Been doing it the same way since the early 20th century.
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Racer
Joined: Jan 2006
Posts: 390
Likes: 0
From: Silver Spring Maryland
That's not the same question. Of course that's why the car starts, but that doesn't explain how the car "knows" to disengage the starter. Otherwise it would grind. There's obviously some feedback from the crank angle sensor to the starter to that it doesn't keep cranking once it starts.
Drifting
Joined: Dec 2004
Posts: 1,973
Likes: 55
From: OIB North Carolina
St. Jude Donor '06
Originally Posted by 70 LS1
When starting the engine you just push the button and the computer engages the starter then disengages it when the car is running. How does the car know the engine is running and stop cranking?
Burning Brakes
Joined: Jul 2005
Posts: 1,174
Likes: 1
From: NOVA VA
Originally Posted by jgraditor
OK here is a question, did not think it was worthy of it's own thread....
If car is running and you are cruising on the tollway at around 60 mph (hey it might happen!) and you by accident hit the button and turn the car off, do you have to hit the clutch and brakes to restart??
If car is running and you are cruising on the tollway at around 60 mph (hey it might happen!) and you by accident hit the button and turn the car off, do you have to hit the clutch and brakes to restart??
You will blow the mufflers off of the car by doing a stunt like that. (ask me how I know)
I did that one time on a car with a regular ignition to try and "impress" my GF with my knowledge. Well, when I turned the ignition back on while the car was still running, I thought that I had been shot by a cannon by the LARGER than I had ever heard backfire. So, when I went to investigate things after I had stopped, the muffler had literally exploded and split apart at its weld seems.
Needless to say, my GF was less than "impressed"
Pro
Joined: Sep 2004
Posts: 501
Likes: 0
Originally Posted by lytmup
So, when I went to investigate things after I had stopped, the muffler had literally exploded and split apart at its weld seems.
Needless to say, my GF was less than "impressed"
Needless to say, my GF was less than "impressed"
Actually I did that once with my manual. My girl asked. "Can I have the keys?" I then took that car out of gear, and turned the engine off. I then tried to hand them to her. She freaked. I put the key back in, pushed in the clutch and restarted without issue. Guess I was lucky.
Ahhh yes the stupid things we do in our teenage years.
Drifting
Joined: Nov 2005
Posts: 1,322
Likes: 3
From: Hugetown Texas
St. Jude Donor '06-'07
Originally Posted by lytmup
I did that one time on a car with a regular ignition to try and "impress" my GF with my knowledge. Well, when I turned the ignition back on while the car was still running, I thought that I had been shot by a cannon by the LARGER than I had ever heard backfire. So, when I went to investigate things after I had stopped, the muffler had literally exploded and split apart at its weld seems.
Needless to say, my GF was less than "impressed"
Needless to say, my GF was less than "impressed"
Race Director
Joined: Mar 2005
Posts: 10,399
Likes: 26
From: Austin Texas
Originally Posted by lytmup
You will blow the mufflers off of the car by doing a stunt like that. (ask me how I know)
I did that one time on a car with a regular ignition to try and "impress" my GF with my knowledge. Well, when I turned the ignition back on while the car was still running, I thought that I had been shot by a cannon by the LARGER than I had ever heard backfire. So, when I went to investigate things after I had stopped, the muffler had literally exploded and split apart at its weld seems.
Needless to say, my GF was less than "impressed"
I did that one time on a car with a regular ignition to try and "impress" my GF with my knowledge. Well, when I turned the ignition back on while the car was still running, I thought that I had been shot by a cannon by the LARGER than I had ever heard backfire. So, when I went to investigate things after I had stopped, the muffler had literally exploded and split apart at its weld seems.
Needless to say, my GF was less than "impressed"
Race Director
Joined: Dec 2004
Posts: 10,262
Likes: 4
From: Manhatten Beach, California
St. Jude Donor '05 thru '11,'18,'20,'21,'24,'25, '26
Originally Posted by cranky
the computer reads rpm constantly. after about 300 rpm it disengages the starter. it also reads maf sensor, etc. crancky 
Le Mans Master
Joined: Sep 2005
Posts: 9,864
Likes: 0
From: Central Florida. Black Sheep Squadron Member. 465 rwhp & 477 rwtq
Cruise-In VIII Veteran
St. Jude Donor '07
Originally Posted by lytmup
You will blow the mufflers off of the car by doing a stunt like that. (ask me how I know)
I did that one time on a car with a regular ignition to try and "impress" my GF with my knowledge. Well, when I turned the ignition back on while the car was still running, I thought that I had been shot by a cannon by the LARGER than I had ever heard backfire. So, when I went to investigate things after I had stopped, the muffler had literally exploded and split apart at its weld seems.
Needless to say, my GF was less than "impressed"
I did that one time on a car with a regular ignition to try and "impress" my GF with my knowledge. Well, when I turned the ignition back on while the car was still running, I thought that I had been shot by a cannon by the LARGER than I had ever heard backfire. So, when I went to investigate things after I had stopped, the muffler had literally exploded and split apart at its weld seems.
Needless to say, my GF was less than "impressed"
Funniest post I've ever read.
