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#4383013 - 04/18/17 10:28 PM Auto engine start/stop and effects on engine wear?
Matt_V Offline


Registered: 11/09/09
Posts: 64
Loc: Portland, OR
Hey guys, I recently leased a new 2017 Ford Escape Titanium with the 2.0L Ecoboost engine, twin-scroll turbo, 4WD, it's a lot of fun!

This car has a feature that my 2016 Fiesta ST didn't have and that is an auto start/stop function that shuts the engine off when stopped. Now this is a lease so I don't exactly care about long term concerns but if I decided to purchase it after my lease is up, should I be concerned about significant engine wear?

The engine oil cap indicates a 5W-30 but I'm sure it's the Motocraft synthetic blend so I'm betting that a nice 5W-30 synthetic or maybe something like Castrol Magnatec could be good to keep wear to a minimum if it's something to be concerned about.


Edited by Matt_V (04/18/17 10:29 PM)

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#4383016 - 04/18/17 10:35 PM Re: Auto engine start/stop and effects on engine wear? [Re: Matt_V]
Johnny2Bad Offline


Registered: 05/20/13
Posts: 1810
Loc: Saskatchewan, Canada
Somewhat to my surprise, they seem to be fine with it, at least as far as the current age of vehicles so equipped go.
_________________________
'57 FL Straight 50 wt
'90 Miata 1.8L w/Rotrex Supercharger [Mobil1 0W-40]
'96 Ram 1500 [3.7L Mobil1 0W-20 / 1L 15W-50]
'01 PT Cruiser [Mobil1 0W-40]

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#4383036 - 04/18/17 11:12 PM Re: Auto engine start/stop and effects on engine wear? [Re: Matt_V]
PimTac Online   content


Registered: 03/04/17
Posts: 4264
Loc: Soviet State of Washington
The latest news around here is that the Magnatec 5W-30 is now fully synthetic. It would also seem to be a good choice for these auto start-stop vehicles with the clinging ester Castrol puts in it.
_________________________
2017 Mazda CX-5 Grand Touring

Valvoline Advanced Synthetic 0w20
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#4383037 - 04/18/17 11:29 PM Re: Auto engine start/stop and effects on engine wear? [Re: PimTac]
4WD Offline


Registered: 09/21/10
Posts: 6366
Loc: Texas
How synthetic is it ? All this not synthetic etc about M1 and crickets when Shannow posted an interesting chart with Mobil 1 base fluids (what Amsoil said) and good comments on NOACK.
So, no other oil will be able to cling while one waits for the light to change green ? Let's don't let marketing types run with this stop/start thing wrt to motor oil ...
Start up (not so) wear has been horse here enough ...

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#4383046 - 04/19/17 12:07 AM Re: Auto engine start/stop and effects on engine wear? [Re: Matt_V]
Dyusik Offline


Registered: 09/26/14
Posts: 1981
Loc: US-WA
I have seen taxi service Prius cars on Copart with 4 and 5 hundred k on em.


Edited by Dyusik (04/19/17 12:08 AM)
_________________________
95 Cherokee 190K DELO 10W30,XG8
07 IS250 97K FB ?w??,FULL
04 YZF-R1 19K DELO 15w40,XG7317
99 HD XL1200S 18K 76 20w50,1515
14 RX450h 30k PP 0w20,NAPAG

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#4383052 - 04/19/17 12:38 AM Re: Auto engine start/stop and effects on engine wear? [Re: Matt_V]
dwendt44 Online   content


Registered: 05/17/06
Posts: 3968
Loc: Central Wisconsin
I was under the impression that the stop/start feature could be turned off.
Check with the owner's manual.

My 2
_________________________
There's no such thing as:
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or too loud of a horn,
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#4383058 - 04/19/17 01:31 AM Re: Auto engine start/stop and effects on engine wear? [Re: 4WD]
bbhero Offline


Registered: 03/20/15
Posts: 4616
Loc: Virginia
It is synthetic enough for government work. Castrol Magnatec is a very good oil has evidenced by how well it has held up in GDI motors and turbo boosted motors as well. Truth be told I would bet that Castrol Magnatec is the best bang for your buck oil on the shelves at Wally World.
_________________________
Nissan Altima 3.5 Coupe Valvoline Advanced Full Synthetic 5w30 Federated Auto 4612ex
"Treat your family like your friends and treat your friends like your family."

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#4383071 - 04/19/17 03:06 AM Re: Auto engine start/stop and effects on engine wear? [Re: Matt_V]
KL31 Offline


Registered: 06/03/16
Posts: 549
Loc: South OZ
Don't know if engine start stop makes a difference when engine is already warm.

You wouldn't want to stop and start a totally cold engine a ton of times every day.
_________________________
95 MX-3 2.5L|Shell Helix Ultra 5W40|Wix 51356
04 Focus 1.8L|Wesfil Cooper WZ63|Valvoline MST 5W30
05 Kluger 3.3L|Wesfil Cooper WZ418|Magnatec 10W30 Semi Syn

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#4383078 - 04/19/17 04:28 AM Re: Auto engine start/stop and effects on engine wear? [Re: Matt_V]
Olas Offline


Registered: 12/11/13
Posts: 3933
Loc: Manchester, England
In one way it doesn't matter because pumps are volumetric and you have an ADBV so oil is always at the bearing, but...

In my experience the feature can be turned off, though usually the map prevents the feature from operating below a preset temp (probably thermostat temp?) to prevent an excess of cold starts. This feature saves unnecessary wear on bearings, but in turn places more strain on the battery, alternator and starter motor.

To deal with the extra wear on these components they are bigger/beefier/overbuilt compared to conventional equipment, so they last 'long enough' but cost more to replace when they fail.

Ultimately, it depends how many miles you do to determine if the fuel saving outweighs potential associated costs..
_________________________
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#4383101 - 04/19/17 05:36 AM Re: Auto engine start/stop and effects on engine wear? [Re: dwendt44]
demarpaint Offline


Registered: 07/03/05
Posts: 29753
Loc: NY
Originally Posted By: dwendt44
I was under the impression that the stop/start feature could be turned off.
Check with the owner's manual.

My 2


+1 Turning off the stop/start feature would be the first thing I did after putting on my seat belt and starting the engine.
_________________________
God Bless Our Troops


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#4383111 - 04/19/17 06:01 AM Re: Auto engine start/stop and effects on engine wear? [Re: demarpaint]
SilverSnake Offline


Registered: 05/29/13
Posts: 591
Loc: Florida
Originally Posted By: demarpaint
Originally Posted By: dwendt44
I was under the impression that the stop/start feature could be turned off.
Check with the owner's manual.

My 2


+1 Turning off the stop/start feature would be the first thing I did after putting on my seat belt and starting the engine.


+2 Fortunately, my wife's 2017 BMW with this feature defaults to off. It will never be turned on.
_________________________
2016 Charger, 6.4L-485 HP (PUP 0W-40)
2017 BMW 330i, 2L-248 HP (BMW 0W-20)
2018 Jeep GC, 5.7L-360 HP (PUP 5W-20)
2008 20KW Generac (Amsoil 10W-30/30)

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#4383116 - 04/19/17 06:19 AM Re: Auto engine start/stop and effects on engine wear? [Re: Matt_V]
KrisZ Offline


Registered: 12/23/06
Posts: 7465
Loc: Toronto, Canada
If you plan to potentially buy it, I would research how to permanently turn this "feature" off. The cars with the auto shut off have bigger starters, so by turning the shut off feature off, you will have a beefy starter that will most likely never fail. That alone would enough for me to turn it off.

No need to speculate about engine wear when we know for a fact other components suffer from repeated On/Off cycles.
_________________________
2015 Dodge Grand Caravan-21k miles.
2006 Mazda 3-155k miles

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#4383125 - 04/19/17 06:32 AM Re: Auto engine start/stop and effects on engine wear? [Re: dwendt44]
Kuato Offline


Registered: 10/23/05
Posts: 7094
Loc: Colorado
Originally Posted By: dwendt44
I was under the impression that the stop/start feature could be turned off.
Check with the owner's manual.

My 2


Agreed....IMO it causes a lot of extra wear on not just engine parts but starters and electrical parts as well.
_________________________
Thick vs Thin test: 15k / 43k miles complete

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#4383126 - 04/19/17 06:33 AM Re: Auto engine start/stop and effects on engine wear? [Re: Matt_V]
Shannow Offline


Registered: 12/12/02
Posts: 39858
Loc: 'Stralia

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#4383136 - 04/19/17 07:04 AM Re: Auto engine start/stop and effects on engine wear? [Re: Matt_V]
FordCapriDriver Offline


Registered: 10/22/15
Posts: 2379
Loc: Balearic Islands , Spain
I think that it would be a good idea as long as it only was activated when the engine is warm, it' can't be good for the engine to be constantly shut off and started again in cold temps, also warm up i imagine would take much longer.
_________________________
1975 Ford Capri II Ghia 3000 V6, - Valvoline VR1 20W-50
1988 Ford Escort MkIV 1.6 Xr3i Cabrio, - Shell Rimula R4X 15W-40 HDEO.

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