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Hesitation

Old Dec 27, 2022 | 12:16 PM
  #11  
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Default You never said it was doing this since new

Originally Posted by Ferb
The car has been doing this since it was new. I brought it to their attention. They say They can't find anything wrong. So i guess I will live with it ot trade it in. It just kills me - you buy a new car today and there is always something wrong. Car only has 18k
Didn't you test drive it B4 taking delivery ? Since we now know it has been a issue since it was new ,you should take it to another Mazda dealer and see what they think. Have you ever driven another 2021 CX5 ? Is it possible you just need a firmware update ? I have no experience with the 2021 CX5, but I would get it fixed B4 the warrantee ends. My 2023 CX5 has been perfect so far ,and has surprised me with the fuel mileage I'm getting (30.5 mpg) .
 
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Old Dec 27, 2022 | 12:38 PM
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Originally Posted by Ferb
The car has been doing this since it was new. I brought it to their attention. They say They can't find anything wrong. So i guess I will live with it ot trade it in. It just kills me - you buy a new car today and there is always something wrong. Car only has 18k
Sorry you never gave this information in the start of your thread??
Either there is firmware problem which may not necessarily be detected unless some did a little extra work or take the other suggestion to go to another dealership or return to your dealership and ask to-do a drive along to show the service writer exactly what your concern is?
There are VERY, VERY, RARE ECU programing issues on any new vehicle platform that causes what you are describing happing to your Mazda.

As for your comment about NEW cars... well lets see compare a 1990 or older vehicle to a 2015 and newer the first thing is 5x's on board electronics' which include advanced safety systems. So, there are by the number of production units manufactured going to be a few that have issues needing to be addressed. But statistically for the numbers less then 20 or more years ago.
 
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Old Dec 27, 2022 | 12:39 PM
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My 2021 does it too. From a dead stop, if I Push on the pedal I can feel a momentary hesitation in forward motion but it doesn't feel likes its coming from the engine or the drivetrain. If I e-a-s-e into motion, its not there. I remember reading something awhile back about the car engaging the electric brake on stopping and it being slow to release. Its not my primary car and any automatic transmission car is slow to respond to my 3 pedal free flowing straight 6 trained butt-dyno anyhow. All slush buckets bother me, so I just mentally shrug and down the road I go.
 
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Old Dec 27, 2022 | 12:48 PM
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Maybe it's a 2021 model year issue. My 2023 has a very responsive pedal ,and has zero hesitation. FYI I have never used the electric parking brake ,or ever had the need to .
 

Last edited by THE CHIEF; Dec 27, 2022 at 12:52 PM.
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Old Dec 27, 2022 | 12:50 PM
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Originally Posted by daven
My 2021 does it too. From a dead stop, if I Push on the pedal I can feel a momentary hesitation in forward motion but it doesn't feel likes its coming from the engine or the drivetrain. If I e-a-s-e into motion, its not there. I remember reading something awhile back about the car engaging the electric brake on stopping and it being slow to release. Its not my primary car and any automatic transmission car is slow to respond to my 3 pedal free flowing straight 6 trained butt-dyno anyhow. All slush buckets bother me, so I just mentally shrug and down the road I go.
If what you say is correct it can be seen on a Scan Device that can view the Throttle pedal % operation. I hate to say it but it highly doubtful it is a throttle hesitation ! Andr I would not compare what another persons interpolation of what is thought to be a throttle engagement hesitation?
 
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Old Dec 27, 2022 | 12:52 PM
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Originally Posted by THE CHIEF
Maybe it's a 2021 model year issue. My 2023 has a very responsive pedal ,and has zero hesitation.
Just to be clear so we don't start internet inaccurate information that will domino effect across a few other Mazda forums.... the ECU programing is almost exactly the same for the 2 years.
 
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Old Dec 27, 2022 | 01:02 PM
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Just to be a good bit more clear . Mazda claims they enhanced the ride and trans on the 2022 model . At any rate I said MAYBE .
The surface is much smoother in the 2022 Mazda CX-5. The grille has received a new 3-dimensional mesh texture, which makes it more distinctive. In the interior, you will find the seats to be more supportive. For the 2022 model year, Mazda says it has made the transmission to be smoother and more responsive.May 10, 2022
 

Last edited by THE CHIEF; Dec 27, 2022 at 01:13 PM.
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Old Dec 27, 2022 | 01:12 PM
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Originally Posted by Callisto
Just to be clear so we don't start internet inaccurate information that will domino effect across a few other Mazda forums.... the ECU programing is almost exactly the same for the 2 years.
Originally Posted by THE CHIEF
Mazda claims they enhanced the ride and trans on the 2022 model . At any rate I said MAYBE .
We have looked and data logged the MAZDA ECU so as I said and pertaining to responses on this thread the off idle throttle effecting fueling ,timing, and other engine management systems has not changed for off idle to at least 35% pedal actuation from 1st gear at a standing stop. If one were to have a Professional Scan Tool connected to the OBDII Diagnostic Connector and were to live view the off idle operations specifically the Throttle pedal % you would see this.

This is actually one operation that in my own personal Mazda is vital for me to have a constant monitoring so I can determine where to fine adjust some ECU calibration to improve my engine responses.

Here is an example. These pictures were actually for another thread and response, but they will serve here to support why I view them. You can view other engine operations as well and do some theorizing?
If you can determine from the pictures, these were taken parked (see the big P on the dash instrumentation) in my garage. PARKED being the important word.






 
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Old Dec 27, 2022 | 01:21 PM
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MAZDA has made some changes for the 2022 model year. Under the skin, Mazda has updated the CX-5's drive modes, redesigned the seats for better comfort and stability, tweaked the six-speed automatic transmission to be more responsive than before, and improved the dampers and frame rigidity, lending to improved NVH isolation and a comfier ride.
 

Last edited by THE CHIEF; Dec 27, 2022 at 01:24 PM.
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Old Dec 27, 2022 | 01:33 PM
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Originally Posted by THE CHIEF
MAZDA has made some changes for the 2022 model year. Under the skin, Mazda has updated the CX-5's drive modes, redesigned the seats for better comfort and stability, tweaked the six-speed automatic transmission to be more responsive than before, and improved the dampers and frame rigidity, lending to improved NVH isolation and a comfier ride.
ok this has nothing to do with the ECU engine operation at part throttle and/or off idle from a standing stop . LOL I understand what you are saying but we are talking about the engine operations and only off idle..

Would you like me to send you 30 seconds of a data log so you can see what I am talking about. And you can compare them to a few years same RPM range of operation and then suggest what changes you think were done?
Or contact Versa Tuner and have a chat with them about this.
Versa Tuner is the most well-known for Mazda Tuning there are others as well you can contact them and give them what I posted see what they tell you.
VersaTuner

I posted pictures and information that can easily be duplicated and confirmed?
 

Last edited by Callisto; Dec 27, 2022 at 01:39 PM.
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