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Poor MPG on my 09 Auto Accord

MPG Accord 09

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#1 Hero_uk1

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Posted 21 October 2017 - 10:06 AM

Hi Guys

 

I need a bit of help from Accord auto box owners. Is it normal to get 29MPG round town driving? Just had the major service done by Honda dealer, checked on invoice and they have used Castrol Edge 0w-20 Honda Oil. But get 29mpg round town so just wondering if this is about average MPG to expect from autobox.

 

Thanks



#2 Jon_G

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Posted 21 October 2017 - 10:23 AM

Which engine?

 

You sure the rear brakes aren't binding?



#3 brett

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Posted 21 October 2017 - 10:24 AM

What spec and model did you buy in the end.
I get around 28 mpg around town with my 2.4 manual petrol.
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#4 Hero_uk1

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Posted 21 October 2017 - 10:43 AM

Which engine?

 

You sure the rear brakes aren't binding?

2.2 i-dtec 

 

If the rear wheels are hot that probably means the calipers are seized so will check later but then again cars only done 29800 miles so can't be that.



#5 Hero_uk1

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Posted 21 October 2017 - 10:44 AM

What spec and model did you buy in the end.
I get around 28 mpg around town with my 2.4 manual petrol.

I bought the EX GT with ADAS LKAS in Milano Red


Edited by Hero_uk1, 21 October 2017 - 10:44 AM.


#6 Hero_uk1

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Posted 21 October 2017 - 10:46 AM

Have Honda used incorrect grade of oil in my car or can i get away with using 0w-20 instead of 0w30? I have done 220 miles since service so using incorrect grade of oil has caused damage to engine?


Edited by Hero_uk1, 21 October 2017 - 10:48 AM.


#7 Jon_G

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Posted 21 October 2017 - 10:47 AM

2.2 i-dtec 

 

If the rear wheels are hot that probably means the calipers are seized so will check later but then again cars only done 29800 miles so can't be that.

More an age/corrosion thing than mileage. It's easy to rule out though.

 

Hopefully member edgeoftime will be along to tell us what MPG he gets from his 8th gen auto diesel.



#8 Hero_uk1

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Posted 21 October 2017 - 10:51 AM

More an age/corrosion thing than mileage. It's easy to rule out though.

 

Hopefully member edgeoftime will be along to tell us what MPG he gets from his 8th gen auto diesel.

Thanks Jon _G



#9 brett

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Posted 21 October 2017 - 10:53 AM

Check for scorching on your rear pads and disks.
I drove an Auto a few years back for a courtesy car and from memory I was getting around 35mpg around town and 45 on the motorway.
I would have thought 0-30 oil for your car but believe Honda are now using 0-20 across the range.
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#10 Hero_uk1

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Posted 21 October 2017 - 11:00 AM

Check for scorching on your rear pads and disks.
I drove an Auto a few years back for a courtesy car and from memory I was getting around 35mpg around town and 45 on the motorway.
I would have thought 0-30 oil for your car but believe Honda are now using 0-20 across the range.

But manual states to use 0w20 for petrol and 0w30 for diesel. Even castrol website states to use 0w30 for my car. Will 0w20 oil in my car cause any issues you reckon or continue driving?



#11 edgeoftime

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Posted 21 October 2017 - 11:02 AM

I have the same car idtec tourer diesel, average about 40mpg overall. Are you always in town driving? I put exol 0/20 low saps in mine, from Autolube. If as you say the rear brakes are warm/hot after a drive could be an over adjust by your mechanic how many clicks on handbrake lever, you need at least 6.

 

Sorry I am using 0-30 low saps, and just checked the computer, last trip average speed 37.5 mph average fuel usage 39.5 mpg. Not sure I believe it though. but what can't speak can't lie. LOL 


Edited by edgeoftime, 21 October 2017 - 11:12 AM.

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#12 Jon_G

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Posted 21 October 2017 - 11:04 AM

I can't see any harm in using a 20 viscosity, unless consumption becomes an issue.

 

I also heard that Honda have made this switch, but cannot find a link to back it up.


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#13 edgeoftime

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Posted 21 October 2017 - 11:14 AM

I can't see any harm in using a 20 viscosity, unless consumption becomes an issue.

 

I also heard that Honda have made this switch, but cannot find a link to back it up.

dROPPED ANOTHER CLANGER jON. I have amended my post, 


Edited by edgeoftime, 21 October 2017 - 11:17 AM.


#14 Hero_uk1

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Posted 21 October 2017 - 11:17 AM

I have the same car idtec tourer diesel, average about 40mpg overall. Are you always in town driving? I put exol 0/20 low saps in mine, from Autolube. If as you say the rear brakes are warm/hot after a drive could be an over adjust by your mechanic how many clicks on handbrake lever, you need at least 6.

 

Sorry I am using 0-30 low saps, and just checked the computer, last trip average speed 37.5 mph average fuel usage 39.5 mpg. Not sure I believe it though. but what can't speak can't lie. LOL 

Hi

yes most of my journey is in town and city. I would be happy with getting between 37-40 MPG but 29mpg takes the biscuit. 



#15 brett

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Posted 21 October 2017 - 11:25 AM

Hear you go and yes the correct grade is low saps 0w-30


15898445.png
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#16 edgeoftime

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Posted 21 October 2017 - 11:31 AM

Hi

yes most of my journey is in town and city. I would be happy with getting between 37-40 MPG but 29mpg takes the biscuit. 

No wish to pee on your parade, but I think you have bought the wrong car!  But then again 29 is only 1 short of 30, why worry? The DPF should be your main concern.


Edited by edgeoftime, 21 October 2017 - 12:16 PM.


#17 Hero_uk1

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Posted 22 October 2017 - 01:01 PM

Hear you go and yes the correct grade is low saps 0w-30


15898445.png

Thanks for the chart Brett



#18 Hero_uk1

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Posted 22 October 2017 - 01:07 PM

No wish to pee on your parade, but I think you have bought the wrong car!  But then again 29 is only 1 short of 30, why worry? The DPF should be your main concern.

Im not fussed about DPF as thats getting removed and EGR deleted with a fuel efficient remap. After having DPF removed, can i start using 5w30 Fully synthtic oil (triple qx) from eurocarparts?  

 

Thanks



#19 Hero_uk1

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Posted 22 October 2017 - 03:20 PM

Check for scorching on your rear pads and disks.
I drove an Auto a few years back for a courtesy car and from memory I was getting around 35mpg around town and 45 on the motorway.
I would have thought 0-30 oil for your car but believe Honda are now using 0-20 across the range.

No scorching on rear disks and wheels not getting hot. 



#20 F6HAD

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Posted 22 October 2017 - 07:05 PM

You can use normal Synthetic (doesn't need to be low saps) but stick to 0w30
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