Start Stop Technology - Diesel Forum - TheDieselStop.com
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post #1 of 22 (permalink) Old 08-08-2018, 01:50 PM Thread Starter
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Start Stop Technology

Is it just me or is having your vehicle shut off at every stop about the dumbest thing they will ever be able to come up with to save fuel? It's on just about every new gas vehicle on the market now.

2007 F350 SRW 6.0L Auto, 3.73LS, 172"WB 4x4. Viper Alarm/RS, WD pillar Guages,AutoEnginuity, 100gal polished alum fuel tank.
All Sold: 99.5, early03 , 2004 - all were 172" wb 4x4 lariat's.

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post #2 of 22 (permalink) Old 08-08-2018, 02:23 PM
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Haven't seen that one yet.

96 F250 PS XLT 4X4 long box, 5sp,4.10, manual hubs,pyro+boost guages, Dark Toumaline, add a leaf, Dale's TYMAR, and HX hose, downpipe, coolant filter, Luk clutch
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post #3 of 22 (permalink) Old 08-08-2018, 09:47 PM
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I was in South Cal back in the 70's, you could see the L.A. smog and your eyes would burn, if you rode a motorcycle in the summer. Just too many cars and not enough air, every little bit helps. Big city drivers spend a lot of time just sitting at stop lights, If all the cars stop running for one min at every light it has a huge effect at the end of the day. I drive old stuff so I don't have to worry about the stop/start issue. All electric or hybrid is how it will work once they get a better battery.

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You don't even know the motor has stoped or started, we had a rental and it took me a while to notice it.
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post #4 of 22 (permalink) Old 08-08-2018, 10:09 PM
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I did some reading on it after I posted. What will they think of next?

Knowing the automotive manufactures they are installing it to boost their mpg ratings rather than decreasing the smog footprint.

I've ridden in a few electric hybrids and if it wasn't for the gauges you would never know that it was running.
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post #5 of 22 (permalink) Old 08-09-2018, 12:16 AM
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I have the start stop technology on my F150. There is no delay at all. It starts instantly when you take the foot off the brake. By the time you get the foot to the gas pedal, it's ready to go.

2001 F350 XLT 4X4 crew cab, dual rear wheels, long bed, black, 7.3l turbo diesel, automatic transmission, 4.10, shift on the fly, running boards, sliding rear window, 38 gal fuel tank, Odyssey extreme 65-PC1750T batteries, Michelin LTX-MS2 rear tires, Sumitomo Encounter front tires, Shell Rotella Ultra elc, 11,500 gvwr, 20,000 gcwr, 7500 gvw, completely stock, 114,000 miles when purchased, now has 240,000 miles, repairs so far: two starters, batteries, cps, brakes, tires, alternator, ball joints, locking hub, wheel hub, AC compressor, serpentine belt, power steering pump, driver's side window, ignition switch, o-ring, Spectra premium radiator, water pump, fan clutch, fan blades, thermostat, thermostat housing, tensioner. Stolen twice so far, but recovered both times with major damage.

2005 Nomad Rampage toyhauler made by Skyline. 11,500lb gvwr.
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post #6 of 22 (permalink) Old 08-09-2018, 06:48 AM
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Quote:
Originally Posted by Phil G. View Post
Is it just me or is having your vehicle shut off at every stop about the dumbest thing they will ever be able to come up with to save fuel? It's on just about every new gas vehicle on the market now.
Why is it dumb? At idle fuel is being burned with no movement. It's wasted fuel. Why not save it?

Mark
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post #7 of 22 (permalink) Old 08-09-2018, 07:33 AM
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It would seem to me that if you're in start and stop traffic, this involves a lot of starting which involves a lot of battery usage. Does all the stuff like a/c, radios, fans, lights, etc stay on? Maybe I'm just an old guy who remembers how easy it was to kill a battery if you left anything running once the motor was off.
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post #8 of 22 (permalink) Old 08-09-2018, 08:10 AM
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The cars that have the feature are constantly monitoring multiple parameters. It definitely knows the battery reserve - also monitors engine temperature, ambient temperature, cabin temperature, climate control settings, etc. My Audi won't do the start/stop thing unless the engine is warmed up and stopping the engine won't cause the cabin temperature to dramatically change during the duration it is engaged. Having said that, I live out in the country and having the engine stop every time you come to stop sign or flashing red light where you are only going to be stopped long enough to look left and right is painful.

2003 F-250 XLT Crew Cab 7.3L, Chrome BigTex Grille Guard, Quad pillar - 3 ISSPRO gauges (trans, pyro, boost) and DP-Tuner F6; Roush fuel pressure / temperature / oil pressure gauges, Ford Severe Duty AIS, 31 row 6.0 transmission cooler, ScanGauge II, Marinco mod, Walker BTM

I wonder if clouds ever look down on us and say, "Hey, look - that one is shaped like an idiot!"
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post #9 of 22 (permalink) Old 08-09-2018, 08:18 AM
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The cars that have the feature are constantly monitoring multiple parameters. It definitely knows the battery reserve - also monitors engine temperature, ambient temperature, cabin temperature, climate control settings, etc. My Audi won't do the start/stop thing unless the engine is warmed up and stopping the engine won't cause the cabin temperature to dramatically change during the duration it is engaged. Having said that, I live out in the country and having the engine stop every time you come to stop sign or flashing red light where you are only going to be stopped long enough to look left and right is painful.
That feature would result in my getting tickets for rolling stops.
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2000 F-250 4x4 SC SB 7.3 PSD w/4R100. 164,000 miles.
NOS Black CPS. Rebuilt Fuel bowl w/gold spring, 6.0 Cooler, Walker BTM, Stancor GPR, Michelin LTX M&S2.
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post #10 of 22 (permalink) Old 08-09-2018, 08:36 AM Thread Starter
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I just think shutting a car off in stop and go traffic continually for 10 years is not a good solution. If RT is right and it tracks every possible parameter and disables itself such as increased current draw when the starter or wires increase in resistance as they age then maybe the freeways won't be full of disabled vehicles in 5-10 years but then it will likely throw the MIL and instead, the shops will be full and people will be paying through the nose to keep it working. If they are still doing e-tests by then, you can bet it will be required to work to pass.

It seems the more of this stuff they pile into vehicles, the more burden they put on financially strapped people that have to buy the older vehicles to begin with due to finances. Everyone that would be comfortable owning a fully loaded platinum 6.7 when it's 5 years old and has 300,000 and no warranty, raise your hand. Now everybody that would be comfortable owning an out of warranty 7.3L with 300000 on it raise your hand.... I rest my case.

There has to be better ways to save fuel.
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2007 F350 SRW 6.0L Auto, 3.73LS, 172"WB 4x4. Viper Alarm/RS, WD pillar Guages,AutoEnginuity, 100gal polished alum fuel tank.
All Sold: 99.5, early03 , 2004 - all were 172" wb 4x4 lariat's.

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post #11 of 22 (permalink) Old 08-09-2018, 08:39 AM Thread Starter
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Originally Posted by DonWarkentin View Post
I have the start stop technology on my F150. There is no delay at all. It starts instantly when you take the foot off the brake. By the time you get the foot to the gas pedal, it's ready to go.
I have no issue with it when it works perfect, I've had it in a couple of rental vehicles, my sister just bought a Grand Cherokee with it.

2007 F350 SRW 6.0L Auto, 3.73LS, 172"WB 4x4. Viper Alarm/RS, WD pillar Guages,AutoEnginuity, 100gal polished alum fuel tank.
All Sold: 99.5, early03 , 2004 - all were 172" wb 4x4 lariat's.

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post #12 of 22 (permalink) Old 08-09-2018, 08:44 AM
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There has to be better ways to save fuel.
You mean like dumping it down the exhaust to burn off soot in the DEF? I'm not sure the EPA would allow intelligent minds to come up with better ways... Personally, I'm keeping two vehicles that are so old that a electromagnetic pulse attack wouldn't do anything more than cause some static on the radio.
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2003 F-250 XLT Crew Cab 7.3L, Chrome BigTex Grille Guard, Quad pillar - 3 ISSPRO gauges (trans, pyro, boost) and DP-Tuner F6; Roush fuel pressure / temperature / oil pressure gauges, Ford Severe Duty AIS, 31 row 6.0 transmission cooler, ScanGauge II, Marinco mod, Walker BTM

I wonder if clouds ever look down on us and say, "Hey, look - that one is shaped like an idiot!"
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post #13 of 22 (permalink) Old 08-09-2018, 08:58 AM Thread Starter
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RT, don't even get me started, I did my ranting on that one back in '08 when it came out. I looked at the technology then quickly bought the leftover '07 that I'm driving today. It broke my cycle of flipping trucks every 2-3 years.

I just had to replace the cat on my truck, the guts were rattling around inside the original one. Ford here in Canada wanted over 2K for an OEM, even the online US Ford dealers wanted about 1200 plus shipping. An aftermarket POS was going to be about 700 from Rock Auto by the time it got here. I know there are some precious metals inside but over 2K when a muffler is a few hundred bucks...really?

The cycle seems to be the EPA mandates it, "we all have to do our part to clean up the world". It's now a part you can't drive without, up goes the price from the OE and the end user takes it in the $%^. If the whole world was so concerned about the environment, the OEM would say "let's do our part and make the emission stuff as affordable as possible so people can keep it in top shape, we will gouge them on some other items".

At the end of the day, just follow the money to figure out why the world works like it does.
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2007 F350 SRW 6.0L Auto, 3.73LS, 172"WB 4x4. Viper Alarm/RS, WD pillar Guages,AutoEnginuity, 100gal polished alum fuel tank.
All Sold: 99.5, early03 , 2004 - all were 172" wb 4x4 lariat's.

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post #14 of 22 (permalink) Old 08-09-2018, 09:03 AM Thread Starter
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I did some reading on it after I posted. What will they think of next?

Knowing the automotive manufactures they are installing it to boost their mpg ratings rather than decreasing the smog footprint.

I've ridden in a few electric hybrids and if it wasn't for the gauges you would never know that it was running.
Yes, it's my understanding too that it is to increase their fleet averages.

I have no issues with Hybrids or straight EV's, I think they make a ton of sense for heavy urban driving. I think the biggest shocker will be the number of class 8 electrics on the road in the next 5-10 years. Hopefully that will work out because that will save a ton of crap in the air.

2007 F350 SRW 6.0L Auto, 3.73LS, 172"WB 4x4. Viper Alarm/RS, WD pillar Guages,AutoEnginuity, 100gal polished alum fuel tank.
All Sold: 99.5, early03 , 2004 - all were 172" wb 4x4 lariat's.

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post #15 of 22 (permalink) Old 08-09-2018, 10:22 AM
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Stop-start is rough on starters, and uncomfortable if you're trying to run the A/C. But it doesn't hurt the battery unless you hit every red light all the way to work. Otherwise, the alternator easily recharges it between stops.

The cost of replacement cats isn't the materials - it's the certifications to prove to the gubmint that it actually works the way the original did.


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