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Engine wear during extended Idling #4650002
01/29/18 11:47 AM
01/29/18 11:47 AM
Joined: Sep 2015
Posts: 959
California
mbacfp Offline OP
mbacfp  Offline OP

Joined: Sep 2015
Posts: 959
California
I have always wondered how gasoline cars fair long-term with substantial idling. I have noticed some people idle their cars for at least 20-30 minutes (assuming every day...as I pick up my son 2 days a week) while they wait to pick up their children from school. Even when on the hot side, I put my sun shade up and roll down my windows...I refuse to idle my car for that long. Over time, does excessive idling cause any additional strain on certain engine components or am I incorrect in my anti-idling bias? Thanks.


2014 F-550 PSD..........M1 Delvac ESP 5w-40 + OEM
2018 Dodge Charger SRT Hellcat
2012 Toyota Sienna LTD 3.5L V6
2003 Dodge Durango R/T 4x4 5.9L V8
Re: Engine wear during extended Idling [Re: mbacfp] #4650005
01/29/18 11:52 AM
01/29/18 11:52 AM
Joined: Nov 2017
Posts: 31
Finland
puliukk0 Offline
puliukk0  Offline

Joined: Nov 2017
Posts: 31
Finland
I think idle is least stressing to motor.

Re: Engine wear during extended Idling [Re: mbacfp] #4650006
01/29/18 11:52 AM
01/29/18 11:52 AM
Joined: Nov 2006
Posts: 21,237
MA, Mittelfranken.de
Trav Offline
Trav  Offline

Joined: Nov 2006
Posts: 21,237
MA, Mittelfranken.de
Other than wasting fuel, possibly a little fuel dilution and fluffy carbon on the pistons tops that blows away the first time you give it the boot no. Police cars do it all the time and get hundreds of thousands on them.


ASE L1, Master. Deutsch Meisterbrief.
Re: Engine wear during extended Idling [Re: mbacfp] #4650008
01/29/18 11:53 AM
01/29/18 11:53 AM
Joined: Dec 2006
Posts: 8,365
Canuck living in California
KrisZ Online content
KrisZ  Online Content

Joined: Dec 2006
Posts: 8,365
Canuck living in California
Doesn't matter one bit.
I don't idle because it's wasteful, but if it's really hot or cold outside, I will keep the engine on to maintain a comfortable cabin temp. I do, however, use my remote start feature to warm up the cabin a bit in the morning.


2015 Grand Caravan 3.6L - 31k miles.
2006 Mazda 3 2.0L - 171k miles
Re: Engine wear during extended Idling [Re: mbacfp] #4650011
01/29/18 11:56 AM
01/29/18 11:56 AM
Joined: Jul 2008
Posts: 317
Bucks, PA
zfasts03 Offline
zfasts03  Offline

Joined: Jul 2008
Posts: 317
Bucks, PA
Well, the engine is running... so there's wear occurring. Low stress, low wear, police cars do this all the time.

I have idled my `06 Odyssey for 1-2 hours for heat many times, while waiting before.

Either way they body and other parts of the car will probably wear out before the engine as long as maintenance isn't missed.


- 03 Corvette Z06
Amsoil 5w-30 SS
- 07 Honda Accord 2.4L
Amsoil 5w-20 SS
- 16 Suburban 5.3L
Amsoil 0w-20 SS, XG10575(16-28 by-pass)
- 18 4Runner TRD Off Road
Amsoil 0w-30 SS, TRD filter
Re: Engine wear during extended Idling [Re: mbacfp] #4650013
01/29/18 11:59 AM
01/29/18 11:59 AM
Joined: Sep 2015
Posts: 959
California
mbacfp Offline OP
mbacfp  Offline OP

Joined: Sep 2015
Posts: 959
California
Thanks guys. Me too, remote start to cool or warm the car for 3-5 minutes while I get the kids in. Less of an engine wearing issue problem then. Thanks for the responses...good day all.


2014 F-550 PSD..........M1 Delvac ESP 5w-40 + OEM
2018 Dodge Charger SRT Hellcat
2012 Toyota Sienna LTD 3.5L V6
2003 Dodge Durango R/T 4x4 5.9L V8
Re: Engine wear during extended Idling [Re: mbacfp] #4650028
01/29/18 12:08 PM
01/29/18 12:08 PM
Joined: Mar 2008
Posts: 6,084
South Florida
bubbatime Offline
bubbatime  Offline

Joined: Mar 2008
Posts: 6,084
South Florida
Police cars, ambulance, taxis, idle for hours and hours at a time. Engine could care less.

When I worked at a prison years ago, the perimeter security cars were driven/idled 24 hours a day, 7 days a week, 365 days a year. They would rack up 200K, 300K miles, with INCREDIBLE idle time. And they only changed the oil very occasionally with bulk 15W40.


17 Chrysler Pacifica Edge Syn 5W30
13 Yamaha XT250 Valv MC 10W40
10 Acura TSX 2.4 SuperTech Syn 5W20
06 GMC Sierra SuperTech 10W30


Re: Engine wear during extended Idling [Re: mbacfp] #4650029
01/29/18 12:09 PM
01/29/18 12:09 PM
Joined: May 2017
Posts: 52
Tennessee
OTCW Offline
OTCW  Offline

Joined: May 2017
Posts: 52
Tennessee
I try to avoid idling.


2017 Nissan Sentra 1.8L 11k miles
2004 Nissan Frontier 2.4 L 199k miles
2012 Yard Machines 21 in 140 cc
2001 Weedeater Featherlite Plus 21 cc
Re: Engine wear during extended Idling [Re: mbacfp] #4650031
01/29/18 12:10 PM
01/29/18 12:10 PM
Joined: May 2009
Posts: 12,457
N.H, U.S.A.
ARCOgraphite Offline
ARCOgraphite  Offline

Joined: May 2009
Posts: 12,457
N.H, U.S.A.
Most Wear on the exhaust system with quarts of water and acid in the pipes and mufflers/resonators.

No need to warm up more than 5 mins on the worst days. If yopu need more in killer climes, get a block and pan heater and install the infrastructure to get the AC to where you need it smile


2019 VW Jetta S,6M OCI#0 1136mi-Castrol Edge Prof? VW508+OE Filter; '17 Subaru Crosstrek CVT OC#6 43467mi-Valvoline Adv 0w20 + SOA Filter
Re: Engine wear during extended Idling [Re: mbacfp] #4650052
01/29/18 12:21 PM
01/29/18 12:21 PM
Joined: Mar 2015
Posts: 1,423
New York City
SeaJay Online content
SeaJay  Online Content

Joined: Mar 2015
Posts: 1,423
New York City
Of all the ways to put wear on a motor, idling is at the bottom of my list.

Re: Engine wear during extended Idling [Re: mbacfp] #4650055
01/29/18 12:24 PM
01/29/18 12:24 PM
Joined: Apr 2017
Posts: 1,520
Ontario, Canada
mightymousetech Offline
mightymousetech  Offline

Joined: Apr 2017
Posts: 1,520
Ontario, Canada
Idling warm and idling after a cold start are separate issues.


Mighty Mouse Tech
BMW Tech, Former Acura Tech
2010 Civic Si Castrol 0W40, Redline MTL
2013 BMW 135i M Sport Edition Castrol 0W40, Redline MTL
Re: Engine wear during extended Idling [Re: mbacfp] #4650057
01/29/18 12:25 PM
01/29/18 12:25 PM
Joined: Dec 2016
Posts: 235
Wisconsin
emmett442 Offline
emmett442  Offline

Joined: Dec 2016
Posts: 235
Wisconsin
As far as fleet vehicles go on this topic, they all incorporate a coolant-to-engine oil cooler of some type to keep the oil temp up and stave off fuel dilution and condensation - keeping these engines healthy over the severely long idle times <---because even though coolant temp can be maintained while idling, oil temp may not. Especially in cold whether, extended idle times can prevent the oil from completely warming up, and already-hot oil can actually cool down.

While some are, many regular non-fleet vehicles aren't equipped with this, so they may fare a little differently. Whether or not it's of significance is another debate.


2011 Ford Crown Victoria LX 4.6L V8 auto
2009 Chevrolet Malibu LT 2.4L I4 auto
1974 Dodge D200 360 V8 4 speed manual
Re: Engine wear during extended Idling [Re: mbacfp] #4650112
01/29/18 01:16 PM
01/29/18 01:16 PM
Joined: Oct 2015
Posts: 2,930
Balearic Islands , Spain
FordCapriDriver Online content
FordCapriDriver  Online Content

Joined: Oct 2015
Posts: 2,930
Balearic Islands , Spain
Wear wise high speed highway driving produces the least wear, the oil pressure is high and flowing at 120mph through the engine, this means a more generous oil film between parts, a.k.a hydrodynamic lubrication.

I avoid idling whenever possible, i often stop by an ATM that is 2 minutes away from my garage, the engine at that point is still stone cold but i shut it off anyway, rather than let it idle for 5 minutes.

I also avoid short trips as much as possible where the engine does not get up to temp, specially with the older cars i own.

I always try to get the engine warmed up every time i drive, to avoid creating carbon deposits and fuel dilution with the old cars i own.


1975 Ford Capri II Ghia 3000 V6, - Shell Helix HX3 20W-50 w/ 20% Rimula R4X 15W-40 HDEO.
1988 Ford Escort XR3i Cabrio, - Shell Rimula R4X 15W-40, w/ 30% Helix 3 20W-50.


Re: Engine wear during extended Idling [Re: mbacfp] #4650166
01/29/18 02:00 PM
01/29/18 02:00 PM
Joined: Mar 2008
Posts: 6,377
Michigan
ZZman Offline
ZZman  Offline

Joined: Mar 2008
Posts: 6,377
Michigan
I would think idling in general would cause little wear. Low stress, oil flowing, vehicle up to temp.


2003 Mercury Grand Marquis. PP HM 5w-30 and Fram TG
2008 Sebring Hardtop convertible. PP HM 5w-30 and Fram Ultra
2006 Kawasaki Vulcan 900 LT. Motul 7100 10w-40 and K&N
Re: Engine wear during extended Idling [Re: mbacfp] #4650167
01/29/18 02:00 PM
01/29/18 02:00 PM
Joined: Feb 2009
Posts: 8,810
Texas
440Magnum Offline
440Magnum  Offline

Joined: Feb 2009
Posts: 8,810
Texas
Extended idle is a lot less of a problem with multi-port fuel injection than it was with carbs, where the fuel distribution would get pretty awful at low air-flow rates. Open the throttle and everything can be really good with carbs, but at idle... not so much. Just not enough air to sweep the fuel to all the cylinders in the same proportions.


'66 Dodge Polara & '69 Dodge Coronet R/T both 440/727
'08 Ram 1500 4.7/545RFE
'12 Challenger SRT8 392/6-speed
'99 XJ 4x4 4.0/AX15, '14 WK2 4x4 3.6/8HP
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