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Honda Jazz Mk3 2015 - / Re: MPG for those interested.
« Last post by andruec on September 22, 2018, 09:51:39 PM »
I thought the 500 miles estimate was silly. Orange light came on at 410 miles with two bars on the fuel gauge. Finally filled up with the car saying 4 miles left, put in 35 litres. Pump to pump mpg was 55.9.
I'm very surprised you could only put in 35 litres if the miles remaining was down to 4.
This whole tank has been weird. I mentioned in another thread that a closed road has resulted in me commuting by dual carriageway and motorway instead of A road. That has bumped the displayed mpg from 54 to nearly 58 and for most of the tank the car has been suggesting I'd get nearly 500 miles before filling up. Then for the final quarter it has started reducing that estimate.

At the start of today's drive to golf (21 miles each way) the gauge showed two bars and it predicted 58 miles remaining. At the start of the return journey as I pulled out of the club the fuel light came on and it was saying 27 miles remaining. Then as I pulled up to the pump at journey's end it was saying 4 miles.

It seems like some kind of correction for the overestimate at the start of the tank. Since I could only get 35 litres in (and I had to push it a bit to get that) there suggests there should have been 7 litres left which is over 70 miles of driving.

This is why I normally fill up at half or two thirds empty - to avoid this kind of fuel gauge silliness :-/
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Honda Jazz Mk3 2015 - / Re: MPG for those interested.
« Last post by Downsizer on September 22, 2018, 09:36:57 PM »
I thought the 500 miles estimate was silly. Orange light came on at 410 miles with two bars on the fuel gauge. Finally filled up with the car saying 4 miles left, put in 35 litres. Pump to pump mpg was 55.9.
I'm very surprised you could only put in 35 litres if the miles remaining was down to 4.
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Honda Jazz Mk2 2008-2015 / Re: Battety drain
« Last post by Ozzie-x on September 22, 2018, 08:28:24 PM »
Thx will test rear screen n pull fuses in the morning .
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Honda Jazz Mk2 2008-2015 / Re: Windscreen washer jets-suitable for DIY replacement?
« Last post by Jazzdriver on September 22, 2018, 08:25:58 PM »
Thanks.  Yes, I live in a very hard water area.I will look into the limescale issue.
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Honda Jazz Mk3 2015 - / Re: Reserve tank
« Last post by andruec on September 22, 2018, 07:45:01 PM »
I would normally fill up at half to two thirds empty but I have a long journey tomorrow with a return trip on Monday so decided I could just about get to/from work for a week then drive to my golf club and back before filling up for the trip. Turns out I was cutting it more fine than I thought.

I might have to start filling up once a week instead of every two weeks, especially with winter approaching. Irritating :-/
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Honda Jazz Mk3 2015 - / Re: Reserve tank
« Last post by nigelr on September 22, 2018, 07:38:36 PM »
As others have said, the range on the readout is just an estimate, which is continual, so for example if you start going uphill, or press on, it drops almost immediately. I tend to fill up when the range drops below 100 miles, but that's just me. There is something satisfying in getting a good range out of one tank, but you have to weigh that against the probability of running out of fuel - and dragging the bits of silt and whatnot that accumulate at the bottom of fuel tanks over time into the fuel pump. In general, I drive to the green eco light, and I'm averaging over 50mpg, so I don't fill up that often. Fantastic!
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Sorry I am not tech savvy enough to paste a link, but it can be found easily if you search Amazon (other suppliers are available I'm sure).

Just highlight the link address in search bar on your browser when you are on site you want to link to, right click and copy, then paste it directly into the text area on your post..
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I use the Sat nav on my phone and was struggling to find a place for it on the mk3 as the 5 inch screen obscured too much drivers vision. Have just received a holder from Amazon that fits into the CD slot, seems ideal for me as all my music is on a us b stick connected in the centre console. I didn't want to stick the Sat nav to the 7 inch screen as I use the audio and phone modes.
The CD slot holder comes with 3 thicknesses of rubber spacers to ensure a tight fit. It is very sturdy and holds the phone in an ideal position so is worth considering.
Sorry I am not tech savvy enough to paste a link, but it can be found easily if you search Amazon (other suppliers are available I'm sure).
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Honda Jazz Mk3 2015 - / Re: Tyre and Alloy insurance?
« Last post by MicktheMonster on September 22, 2018, 07:13:06 PM »
Quite common to be offered on lease cars as you get billed for damage on returning them, a workmate had an alloy and tyre replaced on a citroen ds3 using this insurance which recouped his money. Impossible to say if you'll need it, I didn't bother on my last lease car.
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Honda Jazz Mk2 2008-2015 / Re: Battety drain
« Last post by culzean on September 22, 2018, 06:55:43 PM »
I would unplug the aircon relay and heated screen relay ( or the associated fuse )  - any relay can stick in the closed position and because the main power does not go through ignition switch contacts they can drain battery real quick even with ignition key out - the aircon clutch coil will draw about 4 amps ( drain fully charged battery in 7 to 8 hours ) and heated screen will draw more - it is fairly common for relays to stick, there was a service bulletin issued a few years ago on 8 gen Civic to replace aircon relay because of contacts sticking closed with no power on relay coil.

You can check if power on heated screen by putting a voltmeter across the metal contacts on rear screen - but harder to do on aircon clutch.

You may find it easier to pull out the appropriate fuses for aircon and heated screen and mirrors as this will disconnect the main power to the relays.

A relay has a magnetising coil that closes main contacts when energised, the coil only draws a fraction of an amp but the main contacts carry a much heavier current. It is called a relay because you instruct the coil via a very light switch to close the contacts which then ' relay ' the command to switch a heavy current to the device being controlled.  The problem starts when you remove power from coil and contacts stay closed, the contacts should be opened by a spring, but sometimes spring breaks or not strong enough to open contacts if they are oxidized and stick together.
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