Author Topic: What MPG are you getting from your Mk1 Honda Jazz ?  (Read 201513 times)

Jocko

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Re: What MPG are you getting from your Mk1 Honda Jazz ?
« Reply #660 on: August 26, 2021, 04:47:18 PM »
It will. Unless you reset the trip it will slowly drop as it shows the average, not instantaneous.

JimSh

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Re: What MPG are you getting from your Mk1 Honda Jazz ?
« Reply #661 on: August 26, 2021, 04:55:07 PM »
It's showing the average mpg.
First few weeks -short journeys few miles/few gallons - low mpg. Showing 32mpg
Long journey. Car warmed up good mpg.  Showing 56mpg
Back home short journeys. average mpg = total distance/ total  gallons
                                                          = (few miles +500mls + few miles) / total gallons
                                                          = mileage very close to what you were getting on long run Showing 54mpg.

Given more short runs it will slowly decrease.
« Last Edit: August 26, 2021, 06:52:00 PM by JimSh »

KJazz

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Re: What MPG are you getting from your Mk1 Honda Jazz ?
« Reply #662 on: September 22, 2021, 12:12:48 PM »
55mpg town, 60mpg motorway at a steady 60mph. I put lots of miles on in the summer and have it serviced regularly.

peteo48

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Re: What MPG are you getting from your Mk1 Honda Jazz ?
« Reply #663 on: September 22, 2021, 12:17:53 PM »
55 mpg round the the town is seriously impressive. I struggle to get over 40 mpg on short town runs.

150234

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Re: What MPG are you getting from your Mk1 Honda Jazz ?
« Reply #664 on: September 22, 2021, 12:34:24 PM »
55mpg town, 60mpg motorway at a steady 60mph. I put lots of miles on in the summer and have it serviced regularly.
How? How are you getting 60mpg at 60mph? I could never dream, I might get 45mpg if I really try.

jazzyblue

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Re: What MPG are you getting from your Mk1 Honda Jazz ?
« Reply #665 on: October 09, 2021, 11:20:03 AM »
I get around 45mpg around town, 55-60mpg on long runs.
I keep the Jazz for its fuel economy, and I generally like this car a lot :)

KJazz

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Re: What MPG are you getting from your Mk1 Honda Jazz ?
« Reply #666 on: October 24, 2021, 03:39:27 PM »
Earlier in the summer I did a lot of motorway driving and got 60mpg keeping the speed between 60-65. Town driving of 54mpg.

Suddenly my 2003 Jazz is only getting 46 mpg town driving; I'm not on the motorway to compare.

What's up? Faulty sensor? It is a high mileage engine.   

nowster

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Re: What MPG are you getting from your Mk1 Honda Jazz ?
« Reply #667 on: October 24, 2021, 03:46:17 PM »
Earlier in the summer I did a lot of motorway driving and got 60mpg keeping the speed between 60-65. Town driving of 54mpg.

Suddenly my 2003 Jazz is only getting 46 mpg town driving; I'm not on the motorway to compare.

What's up? Faulty sensor? It is a high mileage engine.

WINTER IS CØMING!  ;D

springswood

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Re: What MPG are you getting from your Mk1 Honda Jazz ?
« Reply #668 on: October 25, 2021, 07:42:40 AM »
I've not noticed any great winter summer effect, possibly 1 or 2 mpg in my (current) average of around 45mpg.

I've always suspected the kind of mpg Jocko gets and KJazz was getting is the potential of the car but that most of us, with age, have had some deterioration. Like KJazz I think it's probably a sensor/throttle body/emissions control thing. But I've always found it too daunting to take it all apart to clean up/replace bits.

Of course the other contender for a sudden, significant change in mpg is a sticky brake calliper.

When you say high mileage, how much?
MODIFY I saw your other post, 170k+
« Last Edit: October 25, 2021, 07:49:15 AM by springswood »
"Indecision is a terrible thing"
Or is it? What do you think?

petermac63

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Re: What MPG are you getting from your Mk1 Honda Jazz ?
« Reply #669 on: November 09, 2021, 09:31:55 AM »
My 1.4 sport (06) is getting a reasonable 50 mpg. Not bad considering it will very shortly pass 150,000 miles!
I am worried it may fail on emissions at its next m.o.t. though.

150234

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Re: What MPG are you getting from your Mk1 Honda Jazz ?
« Reply #670 on: November 09, 2021, 04:51:00 PM »
My 1.4 sport (06) is getting a reasonable 50 mpg. Not bad considering it will very shortly pass 150,000 miles!
I am worried it may fail on emissions at its next m.o.t. though.
Get a mate to get it through.

150234

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Re: What MPG are you getting from your Mk1 Honda Jazz ?
« Reply #671 on: December 12, 2021, 02:01:36 AM »
I've not noticed any great winter summer effect, possibly 1 or 2 mpg in my (current) average of around 45mpg.

I've always suspected the kind of mpg Jocko gets and KJazz was getting is the potential of the car but that most of us, with age, have had some deterioration. Like KJazz I think it's probably a sensor/throttle body/emissions control thing. But I've always found it too daunting to take it all apart to clean up/replace bits.

Of course the other contender for a sudden, significant change in mpg is a sticky brake calliper.

When you say high mileage, how much?
MODIFY I saw your other post, 170k+
I have this issue, my engine warning light has been on for emissions so that probably doesn't help.

Jocko

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Re: What MPG are you getting from your Mk1 Honda Jazz ?
« Reply #672 on: December 15, 2021, 06:45:45 PM »
I topped up my tank today and recorded 44.6 mpg, my worst ever figures. Unfortunately, this is going to be the norm from now on with only short trips in and around Edinburgh. The good news is, instead of topping the tank up two or three times a week, this is my first petrol purchase in almost three months.

150234

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Re: What MPG are you getting from your Mk1 Honda Jazz ?
« Reply #673 on: December 17, 2021, 01:53:40 AM »
I topped up my tank today and recorded 44.6 mpg, my worst ever figures. Unfortunately, this is going to be the norm from now on with only short trips in and around Edinburgh. The good news is, instead of topping the tank up two or three times a week, this is my first petrol purchase in almost three months.
44.6mpg average over a tank? That would be a good tank full for me, I usually get around 42mpg ish depending on what fuel is in there.

Jocko

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Re: What MPG are you getting from your Mk1 Honda Jazz ?
« Reply #674 on: March 21, 2022, 04:51:23 PM »
Today I took the car out for what has become the norm since moving to the outskirts of Edinburgh. We took the cat to the vet in Dalkeith, to get her claws trimmed.
A round trip of 5.3 miles at an average speed of 17 mph and according to the ScanGauge E, 37.3 mpg. That is why I want an EV or PHEV.

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