2017 Mitsubishi ASX 2.3 diesel VRX 4WD 5 seater

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Fred99

13684 posts

Uber Geek
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#2526404 21-Jul-2020 10:50

Batman: Am I reading - surges of power is very fun.

Nope. I think you're possibly reading that "surges of power" (at least unpredictable ones) aren't a typical feature of modern common rail turbo-diesels. In fact - quite the reverse, they usually have smooth power/torque delivery over a wide rpm range and as such are very pleasant to drive. Some have noticeable turbo-lag, but that's more an "annoyance" issue in around town driving.

Dugimodo

168 posts

Master Geek
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#2526423 21-Jul-2020 11:00

You all seem to be having a lot of fun taking digs at my attempt to help by mentioning the power surges on our work ASX. I'm one of 3 drivers and we all agree that the turbo on our particular ASX is horrible and kicks in without warning at inconvenient times.

If none of you have experienced that and it's just us that's fine and that's all you need to say.

As an example, I drove up to Tairua on some back roads and while accelerating uphill on a tight windy road the revs will reach a certain point and then there's suddenly some extra power. Not enough to make you lose control but a little disconcerting on a corner all the same. In a straight line it is kinda fun, but not in the middle of a corner.

We have learned to take it easy when turning out of intersections and on windy roads and it's not really an issue but it's something I thought worth mentioning. I certainly wouldn't buy a car that acted that way if it was me. But it might be just our ASX and not normal behaviour.

JayADee

2236 posts

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#2526593 21-Jul-2020 15:08

Dugimodo:

You all seem to be having a lot of fun taking digs at my attempt to help by mentioning the power surges on our work ASX. I'm one of 3 drivers and we all agree that the turbo on our particular ASX is horrible and kicks in without warning at inconvenient times.

If none of you have experienced that and it's just us that's fine and that's all you need to say.

As an example, I drove up to Tairua on some back roads and while accelerating uphill on a tight windy road the revs will reach a certain point and then there's suddenly some extra power. Not enough to make you lose control but a little disconcerting on a corner all the same. In a straight line it is kinda fun, but not in the middle of a corner.

We have learned to take it easy when turning out of intersections and on windy roads and it's not really an issue but it's something I thought worth mentioning. I certainly wouldn't buy a car that acted that way if it was me. But it might be just our ASX and not normal behaviour.

i believe you and I did find your comment VERY helpful. Thank you. That's the kind of pro/con/watch out for comment I was looking for. When we test drove I kept an eye out for any tendency to surge like you said. The 45 minute ride one way (90 there and back) we took the other day is very windy and has a lot of hills, a few pretty steep (challenging in a car with no guts, this one was fine) and this car was great the whole time. It isn’t a whole lot different in feel to our old petrol car except the brakes are more sensitive. This is good because we like our old car.
If I were going to change anything it would be (so far) the annoying shifter. It needs to be taller and why does it not just go straight up and back instead of moving it all over to get into drive etc?

This model has a lot of cool, modern things I didn’t know I needed up until now. The rear view mirror dims itself at night! I think it has auto high beams. Husband loves how it connects wirelessly to his phone. I feel like I have been living under an automotive rock. Our previous car is a 2003. The problem now is I keep getting stuck with the older car because I haven’t gotten a dog seat cover yet and I am the primary dog walker plus I drive on the beach and dirt roads. I want to drive the new car!

WyleECoyoteNZ

1055 posts

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#2526646 21-Jul-2020 16:35

A quick Google of the engine specs on a 2017 2.3 diesel ASX says that engine produces the following power 112kW @ 3500rpm, and the torque of 366Nm from 1500-2750rpm.

Specs in the story here too

https://www.driven.co.nz/reviews/mitsubishi-asx-another-asx-birthday-face/

Having not driven one, I'd guess that the surge people are mentioning is the engine coming off the torque curve at around 2800rpm, then getting peak power at 3500rpm.

This power graph of a similar engine shows the Power and Torque curves

https://www.automobile-catalog.com/curve/2017/2511170/mitsubishi_asx_2_2_di-d_4wd_plus_automatic.html

Fred99

13684 posts

Uber Geek
+1 received by user: 10018

#2526848 22-Jul-2020 07:34

WyleECoyoteNZ

Having not driven one, I'd guess that the surge people are mentioning is the engine coming off the torque curve at around 2800rpm, then getting peak power at 3500rpm.

I very much doubt it. The one that 3 drivers apparently report has power surges needs to be taken to a Mitsubishi or specialist diesel workshop and proper diagnosis carried out. Something is wrong with it, and if it's as dangerous as suggested then it needs to be fixed.

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