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Hello,

I am posting for help regarding a problem that has plagued us for over a year now and we cannot get solved. The situation is multi-layered, so first I'll mention some details. If you want to get right to the technical issues, please just scroll down a bit. Thank you so much in advance for your assistance with this!

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We own a Suzuki Wagon R, 2018 model. The vehicle was a loaner car for the dealer we bought it from, and we purchased it when it had around 60,000km on it. Trying to get the below problems addressed has required language differences/translating, so it has further complicated the situation. The dealer has looked into them and, while resolving some past issues including recalls, etc., they could not determine the cause of the on-going issue, which is as follows:
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One symptom we experience is, within the first few minutes of driving the car after sitting for a couple of hours or more, the brake is, though not always, extremely sensitive. So much so that even lightly tapping on the break (while consciously trying to mitigate the sensitivity) often causes the car to forcefully halt. There are no unusual noises when this happens. This symptom does goes away after driving for a few minutes. Additionally, allowing the car to idle before running it does not appear to help.

Second - when the car transitions from engine power to charging the battery, or vise-versa (i.g. when lifting off of the accel), the shift in power is usually quite strong, causing the car to jerk significantly. This makes driving in slow speed conditions particularily terrible. There is hardly a smooth option for driving around 15mph, or cruising. If we cruise for too long, the car decides to change from charging the battery to returning to engine power, which again makes the abrupt jerk. This is really bad when trying to brake around this time, creating even dangerous stopping habits.

The above symptoms seem to be worse in colder conditions, though not isolated to the winter. Also, occasionally when driving consistently around 25pmh, the RPMS strongly fluctuate from 2 to 3 (thousand) rotations for about twenty seconds. This is somewhat rare, occurring maybe once every couple of months.

One other problem is the auto-stop engine feature. The car just simply won't engage the auto-stop at all sometimes, no matter the conditions (confirmed that the air conditioning/heating/defrost has no relation to this). It also might work for a while, I turn off the car to run into a store, and then it again will not work for a very long time. The longest period in which it has not worked is about 45 minutes.
Engine power

Here is a picture of when the car is running off of the engine power and the auto-stop engine is not functioning.

IMG_20190121_152031.jpg

A mechanic of a different facility also mentioned that the (冷却水温 here) coolant/"cooling water", temperature is very unusual. The Suzuki dealer did not agree, so I do not know if this is relevant or not.

I live with daily vertigo, so these problems have an extraordinary impact on me, besides my wife. Any input you can us give is extremely appreciated!

Thank you.

-Brian
 

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the engine coolant temp is too low if its been running for 15 minutes, I would expect around 80C to 90C. As for the rest of the issues, you will probably need to find a dealer that specialises in the hybrids and has diagnostic equipment that is suitable for them.
 

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the engine coolant temp is too low if its been running for 15 minutes, I would expect around 80C to 90C. As for the rest of the issues, you will probably need to find a dealer that specialises in the hybrids and has diagnostic equipment that is suitable for them.
Thank you for your prompt response!

While, as I mentioned, our situation isn't as simple, logistically, as it would be in an English speaking country, but we have a mandatory inspection coming up and I hope to have it re-evaluated then. In the meantime, I wish to get as much support as possible until that time.

In your expertise, do you think the low temperature is related to the issues we're experiencing?
 

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I honestly don't know, altho I suspect it could be. I am not up with the Suzuki hybrid tech at this stage as we don't have them here....yet.
 
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