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Mustang 2.3L ecoboost review. 2018 w/10 sp auto #4813554
07/13/18 09:51 PM
07/13/18 09:51 PM
Joined: Feb 2003
Posts: 7,524
Jupiter, Florida
Cujet Offline OP
Cujet  Offline OP
Joined: Feb 2003
Posts: 7,524
Jupiter, Florida
Rented a 2018 Mustang ecoboost for some New England highway driving. Ugh, it's half the car the GT is.

The engine is poorly tuned and "tip-in" is problematic. At first I thought it was me. But after configuring the boost gauge to front n center on the display, it's easy to see what's happening. The throttle slams open at the slightest provocation, then closes to where it should be. Leading to herky-jerky starts at the light. Just like someone learning to drive a clutch car.

This is a car that is quite simply, impossible to drive smoothly. Smooth gas pedal movements DO NOT translate into smooth throttle opening. Look at manifold pressure for clues! In fact, the car seems to have pre-set throttle openings and just jumps to the next preset as the pedal is pushed down more. BIZARRE.

The 10 speed automatic shifts well, and matches the engine's groaning "mid range only" torque curve very well. Even so, the car is not fast in real world driving. It is fast enough from a standing start, as the transmission gets to keep the engine around 5000 RPM. But once on the highway, it falls flat. Climbing hills and passing is exactly like every minivan ever made. Acceptable, but not fun.

I've driven turbocharged cars forever. This one is tuned so weirdly, it's actually difficult to drive smoothly, and nearly unpredictable when asking for varying levels of power.

The steering feel is adjustable and I found that "normal" was just fine.

The ride is stiff, the car harsh, the steering less precise than the competition, (or even an Altima for that matter) and the engine is so wonky, it's difficult to enjoy. To make matters worse, the brakes don't work well until hot. At which point they are quite powerful.

Sport+, Track and winter modes do their thing, but don't satisfy. As none of them improve the awkwardness that exists.

Get the V8, which is a whole bunch more fun on every level. It is actually hard to believe they are even based on the same car.

Last edited by Cujet; 07/13/18 09:54 PM.

People who count on their fingers should maintain a discreet silence.
Re: Mustang 2.3L ecoboost review. 2018 w/10 sp auto [Re: Cujet] #4813561
07/13/18 09:58 PM
07/13/18 09:58 PM
Joined: Dec 2006
Posts: 18,799
Dallas,Tx USA
aquariuscsm Offline
aquariuscsm  Offline
Joined: Dec 2006
Posts: 18,799
Dallas,Tx USA
I've never felt an Ecoboost is a "true turbo" car. I can't feel any "boost" when I've driven them. I can't even tell I'm driving a turbo car. The turbocharged cars I've driven you can actually feel BOOST!! When the turbocharger (S) kick in,it literally throws you back in the seat and the car takes off like a rocket!!


1996 Nissan 300ZX 5-speed,Arctic Pearl(#175 of 300)
Quaker State Ultimate Durability 10W30
2012 Honda Accord Coupe EX-L 2.4,auto,San Marino Red
Quaker State Ultimate Durability 5W20

Re: Mustang 2.3L ecoboost review. 2018 w/10 sp auto [Re: Cujet] #4813562
07/13/18 09:59 PM
07/13/18 09:59 PM
Joined: Feb 2003
Posts: 7,524
Jupiter, Florida
Cujet Offline OP
Cujet  Offline OP
Joined: Feb 2003
Posts: 7,524
Jupiter, Florida
With the boost gauge displayed, it shows when it's making 20PSI boost and you can feel it. It's not numb, it's wonky. At no point does it "pull hard" like many turbo cars.

Oh, and the 10 Speed automatic does a lot of shifting. It's just that 'ya can't really tell. RPM's don't drop much from gear to gear. The gear indicator displays what gear it's in, and it uses all of them.

Interestingly, the transmission finds the right gear in about the time expected when a highway downshift is called for. Not exactly lighting fast, but not horrible.

A couple of times when cutting and weaving, the car decided that it was not going to make any power until it selected the "proper" gear. Annoying and bordering on unsafe.

Last edited by Cujet; 07/13/18 10:01 PM.

People who count on their fingers should maintain a discreet silence.
Re: Mustang 2.3L ecoboost review. 2018 w/10 sp auto [Re: Cujet] #4813565
07/13/18 10:03 PM
07/13/18 10:03 PM
Joined: Jul 2007
Posts: 4,253
Midwest USA
LoneRanger Offline
LoneRanger  Offline
Joined: Jul 2007
Posts: 4,253
Midwest USA
on the other hand... New England summer !! Not a steam pressure cooker like here. or Florida grin



'09 Subaru Forester ...................(QS HM 5W30)
'16 Moto Guzzi Stelvio 1200 .....(ENI i-Ride PG 10W60)
Re: Mustang 2.3L ecoboost review. 2018 w/10 sp auto [Re: Cujet] #4813644
07/14/18 01:07 AM
07/14/18 01:07 AM
Joined: Jul 2017
Posts: 542
Texas (south)
FermeLaPorte Offline
FermeLaPorte  Offline
Joined: Jul 2017
Posts: 542
Texas (south)
That's how I felt my Edge rental was. Ford is not a doing a great job tuning them.


Always Mobil 1
2014 1.6L Nissan Versa Sedan, 5 spd, 5k OCI.
2011 3.5L Chevrolet Impala, Automatic, 5k OCI.
Re: Mustang 2.3L ecoboost review. 2018 w/10 sp auto [Re: Cujet] #4813645
07/14/18 01:09 AM
07/14/18 01:09 AM
Joined: Sep 2015
Posts: 5,946
Kalifornia Kollective
BrocLuno Offline
BrocLuno  Offline
Joined: Sep 2015
Posts: 5,946
Kalifornia Kollective
To bad, they could have made a fun car frown


Formerly in marine engineering. In an earlier life I owned my own petroleum tank truck, and hauled for the majors and independent's.
Re: Mustang 2.3L ecoboost review. 2018 w/10 sp auto [Re: Cujet] #4813674
07/14/18 04:54 AM
07/14/18 04:54 AM
Joined: Dec 2017
Posts: 1,139
US
JLTD Offline
JLTD  Offline
Joined: Dec 2017
Posts: 1,139
US
Originally Posted By: Cujet
...

A couple of times when cutting and weaving, the car decided that it was not going to make any power until it selected the "proper" gear. Annoying and bordering on unsafe.


I've had a couple of rentals that hesitated like that... dangerous in an emergency situation when you need power NOW.


I'm a thickie; assimilate
But 20s have their place

Using AMSOIL™

Hers: 2008 Jeep Liberty 138k, SS 5w30/Amsoil

His: 2015 4Runner 41k, OE 5w20/Wix

Re: Mustang 2.3L ecoboost review. 2018 w/10 sp auto [Re: Cujet] #4813703
07/14/18 07:09 AM
07/14/18 07:09 AM
Joined: Nov 2011
Posts: 1,102
Lyndhurst NJ
Audios Offline
Audios  Offline
Joined: Nov 2011
Posts: 1,102
Lyndhurst NJ
So weird when these drive by with exhausts on them and they sound like Civics and Accords. Not impressed.


2002 VW Golf TDI-Mobil 1 5/40 TDT
2007 Mercedes GL320 CDI Fuchs 5/40 GT Pro XTL
2005 BMW M3 BMW Twin Power 10/60
2003 BMW M5-Fuchs 5/40
1998 BMW M3/4/5 Fuchs 5/40
Re: Mustang 2.3L ecoboost review. 2018 w/10 sp auto [Re: Cujet] #4813711
07/14/18 07:28 AM
07/14/18 07:28 AM
Joined: Jun 2011
Posts: 7,080
Mahzurrah!
KCJeep Offline
KCJeep  Offline
Joined: Jun 2011
Posts: 7,080
Mahzurrah!
I have a co-worker who has the exact same car on a long term rental due to the air bag recall issue. He has many of the same complaints, he doesn't like it and complains about shifting, he says his shifts very hard and randomly. frown


09 Lincoln MKZ AWD 98k - M1 AFE 0w30
12 KIA Sedona 92k - PP HM 10w30
09 Ford Focus 131k - Supertech FS HM 5w30
00 Chev Lumina 201k - Supertech FS HM 5w30
04 Jeep Grand Cherokee gone but not forgotten.
Re: Mustang 2.3L ecoboost review. 2018 w/10 sp auto [Re: Cujet] #4813740
07/14/18 08:15 AM
07/14/18 08:15 AM
Joined: Jul 2012
Posts: 2,122
Nashville, TN via Memphis
john_pifer Offline
john_pifer  Offline
Joined: Jul 2012
Posts: 2,122
Nashville, TN via Memphis
It may have one of the twin-scroll turbochargers, like my WRX. Produces max torque from around 2000 RPM, and almost instant boost at highway speeds, but falls flat after around 4500 RPM, so, doesn't let you have fun revving it out to redline like a sports car engine should. There's no real point in revving it all the way out, because there's not much to be had above around 5000 RPM.

The WRX is also tuned horribly, with accelerator pedal angle not corresponding to actual throttle opening. You tip in the accelerator by 25% (or less!) and the computer opens the throttle close to 100%. I have no idea why they do this. Like you said, it makes for a frustrating experience trying to be smooth around town. I want a 1:1 ratio between accelerator pedal demand and throttle opening. Another thing they do is to artificially delay throttle opening and closing, which is done, supposedly, to reduce N0x emissions (it's said that snapping the throttle open or closed produces more emissions). Very, very frustrating. And then, this time of year, when you're running the air conditioning, it seems that the A/C compressor saps at least 20 horsepower. MUCH more noticeable on a 4-cylinder engine. And then you lose some HP when everything gets "heat soaked" and the intercooler is not as effective.

I will say that the problems I mention above are far less intrusive when driving for fun out on the backroads, when you're giving it full throttle out of the corners.

But I, like you, since buying this WRX, have, at times, found myself longing for the smooth, linear power and torque of a good, well-tuned, larger, revvy, naturally-aspirated engine. The problem for me is finding that sort of engine in a car that is as well-balanced, and handles as well as the WRX (its handling and balance and agility are outstanding - possibly unmatched in the sedan class, IMHO).


16 WRX - PPPP
07 Tacoma V6 - M1 EP 5W-30, Fram Ultra, 10K OCIs, 198K
07 Yamaha R1 - Rotella T6 5W-40, Bosch 3300
07 Yamaha YZ-250, Klotz, Rotella

Re: Mustang 2.3L ecoboost review. 2018 w/10 sp auto [Re: Cujet] #4813748
07/14/18 08:26 AM
07/14/18 08:26 AM
Joined: Oct 2008
Posts: 19,133
Sunny Florida
SteveSRT8 Offline
SteveSRT8  Offline
Joined: Oct 2008
Posts: 19,133
Sunny Florida
^^^Quite possibly my number one complaint about most smaller cars. AC seems to sap the power too noticeably.

Never even know what's going on with the AC in our cars or trucks, all with V8 power. Can't feel a thing.

Many newer cars suffer bizarre programming issues that are easily solved with an aftermarket tune by a pro. many years ago when I had a Neon R/T we put an underdrive crank pulley on and completely eliminated the huge lag when the AC compressor came on. Kind of makes you wonder who drove the darn things before production started!


"In a democracy, dissent is an act of faith."
J. William Fulbright
Best ET-12.79 @ 111 mph
4340 pounds, Street tires
Just like we go to Publix
Re: Mustang 2.3L ecoboost review. 2018 w/10 sp auto [Re: Cujet] #4813766
07/14/18 09:12 AM
07/14/18 09:12 AM
Joined: Sep 2011
Posts: 3,335
Somewhere
itguy08 Offline
itguy08  Offline
Joined: Sep 2011
Posts: 3,335
Somewhere
I dove an EB 10 speed at the auto show this year. Not much of a test - out the lot onto a high speed area (did get to 60) and back in the lot - about 3 miles total. But did notice it seemed down on power compared to the ratings. Pulled out in the street in front of someone and it just didn't seem as fast as the HP #s would suggest.

I do wonder if some of the shifting issues in rentals are due to all the different people that drive them - some say that the newer transmissions adapt to the driver. Not sure if it's [censored] or true though.

Although as you noted all those issues are corrected once you check the GT box. If anything I find the stock GT brakes a little too grabby at low speed.

Re: Mustang 2.3L ecoboost review. 2018 w/10 sp auto [Re: Cujet] #4813783
07/14/18 09:35 AM
07/14/18 09:35 AM
Joined: Nov 2006
Posts: 20,091
MA, Mittelfranken.de
Trav Offline
Trav  Offline
Joined: Nov 2006
Posts: 20,091
MA, Mittelfranken.de
It seems to be a problem with Ford, I drove a C Max TD for less than a hour that had the worst lag I have ever experienced, it was downright dangerous and impossible to drive smoothly. VW and Toyota turbo diesels have no real problem with lag, the BMW TD is just a fuel hogging very unresponsive engine in comparison.


ASE L1, Master. Deutsch Meisterbrief.
Re: Mustang 2.3L ecoboost review. 2018 w/10 sp auto [Re: Cujet] #4813794
07/14/18 09:55 AM
07/14/18 09:55 AM
Joined: Dec 2002
Posts: 4,180
The Garden State
Whimsey Offline
Whimsey  Offline
Joined: Dec 2002
Posts: 4,180
The Garden State
We have a 2017 Explorer with the 2.3 EB. It drives surprisingly smooth, the throttle is easy and seems fairly linear and there is no lack of power when using the turbo. The transmission is the 6 speed. We still have our 2005 4.6 V-8 Explorer and the 2.3 is the nicer driving Explorer. The V-8 is like driving with an on/off throttle, it's not linear at all. And this is a new Ford throttle body and updated programming. It was much worse before. The V-8 has the 5 speed transmission. My biggest complaint with the 2.3 Explorer is that when in D low speeds have the engine almost lugging. I assume they do this for fuel economy, it's annoying. At least the trans mission has a "Sport" mode which raises the rpm's at those speeds so it's not almost lugging. So far I'm pleased with the 2.3 EB in the Explorer. But of course if I had a Mustang I'd want a V-8 and stick! grin

Whimsey

Re: Mustang 2.3L ecoboost review. 2018 w/10 sp auto [Re: Cujet] #4813815
07/14/18 10:24 AM
07/14/18 10:24 AM
Joined: Oct 2014
Posts: 12,008
Idaho
CT8 Offline
CT8  Offline
Joined: Oct 2014
Posts: 12,008
Idaho
Last week end went to the drag strip and the Mustangs with the 5W-50 grin oil fill caps were fast.


2015 Ford F150 2.7
2018 Ford F350 6.2
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