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21
Honda Jazz Mk2 2008-2015 / Re: Good and bad points
« Last post by John Ratsey on September 17, 2018, 09:11:28 PM »
The worst feature of my Mk 2 Jazz was the reflection of dashboard glare on the windscreen which was discussed at some length a while back. The extent of this problem appears to depend on the driver's eyeball position which in turn depends on driver's height and seating position. I just happened to be unlucky.
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Honda Jazz Mk3 2015 - / Re: Reserve tank
« Last post by John Ratsey on September 17, 2018, 09:00:44 PM »
Still, although 10% better mpg is nice, driving 70% further means the diversion is costing me more.
I would assume that it takes several miles (more if the weather turns cold) for the powertrain to warm up and run and optimum efficiency. So potentially little over half of your 12 mile journey is with the powertrain running most efficiently while the proportion of the longer route may be more than 3/4. Set the big screen to show the trip mpg and you will see how low it starts and then gradually improves. I would like thermostatic louvres on the engine comparment to assist the warm-up process but this is unlikely to happen until low temperature starts become part of the standard mpg testing.

You can expect to see even better mpg if you can potter along the slow lane at 55 mpg (my HR-V can give 60 mpg under this situation) or ever slower. Don't forget that last year's Jazz Land's End to John O'Groats trip on one tank was done at 40 mph.
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Honda Jazz Mk3 2015 - / Re: Reserve tank
« Last post by Jocko on September 17, 2018, 06:46:11 PM »
Thanks. I'll copy that and keep it to hand.
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Honda Jazz Mk3 2015 - / Re: Reserve tank
« Last post by andruec on September 17, 2018, 06:16:58 PM »
I regularly take the long way round to get better mpg at the cost of going further and using more petrol! As I have said elsewhere, returning good mpg (the game), is more important than saving money on petrol.

Just an aside, how do I insert a hyperlink, but with text?
Quote
if/when the road is reopened.
Technical way:
* Type (url=???)<Insert your text here>(/url)

But:
* Replace '()'s with '[]'s
* Replace question marks with the URL (contents of browser address bar).
* Your text replaces the <> bit.

So an example using round brackets to avoid it being picked up by the forum software as a URL would be:(url=http://somedomain.com/document)This is the url text(/url).

The less technical way is to type the text, highlight it then click the button with an image of the planet Earth and a document. Then append =??? after the first 'url'.

But I is a programmer so I do not do stuff the untechnical way  :P
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Honda Jazz Mk3 2015 - / Re: Reserve tank
« Last post by Jocko on September 17, 2018, 05:55:46 PM »
I regularly take the long way round to get better mpg at the cost of going further and using more petrol! As I have said elsewhere, returning good mpg (the game), is more important than saving money on petrol.

Just an aside, how do I insert a hyperlink, but with text?
Quote
if/when the road is reopened.
26
Honda Jazz Mk3 2015 - / Re: Reserve tank
« Last post by andruec on September 17, 2018, 04:38:55 PM »
I find that my most fuel efficient speed is 60 mph on the speedo (about 53-54 mph on GPs).

I'm surprised that Jocko finds the speedometer error so high.
If I cruise at 60 mph my satnav reads 58 mph and at 30 mph it reads 29 mph.
It will vary (to some degree) based on your tyres. As they wear the speedometer should become less (or more?) accurate. My experience isn't so bad as Jocko's though. 60mph is currently about 57mph and 50mph is currently 47mph according to GPS.

I also remember the 56mph figure for fuel consumption which I always assumed came from 90kmh. Thinking about it the revs seem to be the same on my car for 60 as for 50 (1,800) so presumably the CVT must be choosing a slightly higher ratio.

Still, although 10% better mpg is nice, driving 70% further means the diversion is costing me more. Currently everyone is waiting to see if/when the road is reopened. I recently discovered that it's the county council paying for it and since Northants council is effectively bankrupt it doesn't sound too good :(
27
Honda Jazz Mk1 2002-2008 / Re: Noise from gearbox
« Last post by Eemahn on September 17, 2018, 04:31:52 PM »
I am based in Huddersfield West Yorkshire
Give these guys a shout.
http://www.knightsbridgetransmissions.co.uk/
Thanks jocko I will give them a call tomorrow morning.
cheers mate
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Honda Jazz Mk3 2015 - / Re: Reserve tank
« Last post by peteo48 on September 17, 2018, 04:30:55 PM »
The error on mine is 3 mph at 70. It's the only time I tend to look at the GPS speed and it consistently shows 70 mph on the speedo as 67.
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Honda Jazz Mk1 2002-2008 / Re: Noise from gearbox
« Last post by Jocko on September 17, 2018, 04:28:12 PM »
I am based in Huddersfield West Yorkshire
Give these guys a shout.
http://www.knightsbridgetransmissions.co.uk/
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Honda Jazz Mk1 2002-2008 / Re: Noise from gearbox
« Last post by JazzyB on September 17, 2018, 04:07:50 PM »
Just to add the bearing issues were down to metal swarf not being removed from gearboxes and destroying the bearings
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