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Author Subject: exsiusive fuel consumption? causes?
jimmyhackers

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Location: birmingham

Registered: 14 Jun 2011

Posts: 1,144

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Post #1
other than a lead foot.

what else would casue exsesive fiuel consumption?

what sensors or other componenets could be replaced to gain better mpg?

so far ive had an injector clean and a full service. next plan is lambda sensor
any one else got any other suggestions?

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the world is changed by people in sheds
Posted 12th Nov 2011 at 22:03
judge dead

Regular

Location: Scotland

Registered: 30 Jul 2011

Posts: 397

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Post #2
buy a prius lol
Posted 12th Nov 2011 at 22:14
bigbadbowen

Seasoned Pro

Location: Winchester

Registered: 21 Nov 2003

Posts: 13,753

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Post #3
Green temp sensor for the ecu on the thermostat housing and the lambda sensor Thumbs up
Posted 12th Nov 2011 at 22:15
jimmyhackers

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Location: birmingham

Registered: 14 Jun 2011

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Post #4
how does the temp sensor effect fueling?

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the world is changed by people in sheds
Posted 13th Nov 2011 at 01:58
anth

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Location: Colchester

Registered: 04 Apr 2006

Posts: 3,651

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Post #5
It's used as a choke when engines ar cold they need more fuel. So if the temp sensor is buggered and telling the ecu the engine is cold it will constantly over fuel.

Posted 13th Nov 2011 at 11:21
jimmyhackers

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Post #6
i see. What kind off effect woould that have bhpwise?

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the world is changed by people in sheds
Posted 13th Nov 2011 at 18:05
adam b

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Location: The Nam

Registered: 24 Jan 2006

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Post #7
Lowers the BHp as its not correctly fuelling the engine.

They are pence to change, the lambda is more but worth doing too. Also the throttle position sensor can give you high fuel consumption.

What are we talking? Under 25mpg?

________________________________________

Nothing to see here
Posted 14th Nov 2011 at 11:03
jimmyhackers

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Location: birmingham

Registered: 14 Jun 2011

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Post #8
10 - 20 mpg. thanks for the help
i know my idle sensors on the way out. was revving up and down and cuts out sometime under heavy breaking.

i already know the merits of replcing the o2 sensor in my 1.4. better mpg and exhaust didnt peng of petrol, so thats getting done.

and i may aswell do the engine temp sensor while im at it.

i did all this toward the end of owning my 1.4 for 6 years. so im gettign it all out of the way now.

________________________________________

the world is changed by people in sheds
Posted 14th Nov 2011 at 15:56
cjm_harris

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Location: Parts for Sale section

Registered: 04 Dec 2007

Posts: 7,442

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Post #9
bigbadbowen wrote:
Green temp sensor for the ecu on the thermostat housing and the lambda sensor Thumbs up


This Yes

Don't you own a 1.4? 10-20 on a 1.4, yes mate something is wrong!



Oh and by the way it's excessive, not "exsiusive" or "exsesive" Thumbs up

________________________________________

Chris
1999 China Gti6 Supercharged Devil [Fun car] >>Project Thread<<
2000 Bianca 306 Diesel [Work runabout]
Posted 14th Nov 2011 at 16:33
buzzbrightyear

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Location: hiding all receipts for car

Registered: 09 Jul 2008

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Post #10
Big f*ck off hole in the tank

________________________________________

andrew315rawson@live.co.uk
Moonstone phase 7 gti6
My Project thread: http://www.306gti6.com/forum/showthread.php?id=119992&page=1
Posted 14th Nov 2011 at 17:29
rallyeash

Seasoned Pro

Location: Devizes

Registered: 11 Dec 2006

Posts: 4,424

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Post #11
leak? Laugh my ass off

________________________________________

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Posted 14th Nov 2011 at 17:43
monkeyman

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Location: Sunny St Albans

Registered: 01 Oct 2008

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Post #12
How are you working out your mpg? Brim to brim fill and divide my miles done, or just sticking a tenner in and back of an envelope calculation. There is an ap for phones which will give true mpg based on odometer readings.

Also take the GTi6 injectors off and replace them with the 1.4 ones LOL

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Posted 14th Nov 2011 at 17:56
greenbelt

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Location: How's Life In London?

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Post #13
Check the condition of the wires going to the temp sensor. The insulation can disintegrate and cause the same problems as a dead sensor when the wires short out Wink

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Standard Black 6
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Posted 14th Nov 2011 at 19:05
jimmyhackers

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Location: birmingham

Registered: 14 Jun 2011

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Post #14
if i can manage to find an old fault code reader. Im guessing it would show up on that?

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the world is changed by people in sheds
Posted 15th Nov 2011 at 18:32
adam b

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Location: The Nam

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Post #15
Not necessarily...

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Nothing to see here
Posted 15th Nov 2011 at 19:00
roland rat

Yeeeah Rat fans!

Location: Swansea

Registered: 29 Nov 2006

Posts: 22,284

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Post #16
jimmyhackers wrote:
other than a lead foot.

what else would casue exsesive fiuel consumption?



A boot full of dictionaries? Dunno
Posted 15th Nov 2011 at 19:06
jimmyhackers

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Location: birmingham

Registered: 14 Jun 2011

Posts: 1,144

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Post #17
i would tell you i dont give a f*ck about spellin but youve already figured that out for yourself so why bother?

________________________________________

the world is changed by people in sheds
Posted 16th Nov 2011 at 19:36
ballardpaul

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Location: Croydon

Registered: 22 Jul 2008

Posts: 4,135

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Post #18
jimmyhackers wrote:
i would tell you i dont give a f*ck about spellin but youve already figured that out for yourself so why bother?


Unfortunately people here do! Sucks I know...

________________________________________

Phase 2 Blaze GTi 6 (Standard) Sold
Phase 3 Supercharged China GTi 6 (249.8 BHP) Sold
Phase 3 Supercharged Diablo GTi 6 (443 BHP)Sold
Nissan 350Z (300 BHP)
Posted 16th Nov 2011 at 20:24
buzzbrightyear

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Location: hiding all receipts for car

Registered: 09 Jul 2008

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Post #19
roland rat wrote:
jimmyhackers wrote:
other than a lead foot.

what else would casue exsesive fiuel consumption?



A boot full of dictionaries? Dunno

LOL

________________________________________

andrew315rawson@live.co.uk
Moonstone phase 7 gti6
My Project thread: http://www.306gti6.com/forum/showthread.php?id=119992&page=1
Posted 16th Nov 2011 at 20:49
jimmyhackers

Seasoned Pro

Location: birmingham

Registered: 14 Jun 2011

Posts: 1,144

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Post #20
one of these days ill find the sarcasm on here funny.

somebody pass me the solvents and a brown paper bag, im gonna need to do some huffin if i wanna loose enough brian cells to find your remarks witty

________________________________________

the world is changed by people in sheds
Posted 18th Nov 2011 at 15:39
jimmyhackers

Seasoned Pro

Location: birmingham

Registered: 14 Jun 2011

Posts: 1,144

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Post #21
monkeyman wrote:
How are you working out your mpg? Brim to brim fill and divide my miles done, or just sticking a tenner in and back of an envelope calculation. There is an ap for phones which will give true mpg based on odometer readings.

Also take the GTi6 injectors off and replace them with the 1.4 ones LOL
]]

its kindof betwen the two. every time i fill up i note how much and how many miles i do untill i next fill up. the longer i do this method the more accurate my predictions should become . its not a brillioant method but when i add the plus or minus amounts of error to my figure of 15mpg i get between roughly 10 - 20. whcih as you can see is way below the stated 35mpg. im just gona replace all my sensors this payday.

and my 1.4 only has one injector Razz

________________________________________

the world is changed by people in sheds
Posted 18th Nov 2011 at 15:47
walker_texasranger

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Location: Sunny Retford

Registered: 26 Jan 2008

Posts: 2,502

Status: Offline

Post #22
Oh dear.... you my friend are on a slippery slope. Its like an induction test, survive the first few weeks and you will be ok. Bite....and....well.......

Ash, Nice Thumbs up

________________________________________

Almost standard 1999 Bianca Rallye
Hilux InvincibleX daily

306 No.13 Doh

Carp and specialist Anglers Click here
Posted 18th Nov 2011 at 15:47
buzzbrightyear

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Location: hiding all receipts for car

Registered: 09 Jul 2008

Posts: 11,901

Status: Offline

Post #23
walker_texasranger wrote:
Oh dear.... you my friend are on a slippery slope. Its like an induction test, survive the first few weeks and you will be ok. Bite....and....well.......

Ash, Nice Thumbs up


Like me LOL

________________________________________

andrew315rawson@live.co.uk
Moonstone phase 7 gti6
My Project thread: http://www.306gti6.com/forum/showthread.php?id=119992&page=1
Posted 18th Nov 2011 at 16:00
jimmyhackers

Seasoned Pro

Location: birmingham

Registered: 14 Jun 2011

Posts: 1,144

Status: Offline

Post #24
i see. sorry i do seem a bit arsey on here at times. i dont mean to be, i just end up sounding that way. i do talk a lot of "nonsense " on here aswell. i like my crazy mad inventions and ideas. i should really expect im gonna get beat down a lot for it and not "bite" as you put it

as for my poor spelling. a combination of dyslexia, lazyness and this new weird ergonic keyboard i shouldnt of bought, i slip up a lot.

thanks for the help, its always appreciated Smile

________________________________________

the world is changed by people in sheds
Posted 18th Nov 2011 at 16:10
walker_texasranger

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Location: Sunny Retford

Registered: 26 Jan 2008

Posts: 2,502

Status: Offline

Post #25
Mate, Like I said, just weather the storm LOL

Not having a 6 doesn't help, neither does your new keyboard by the sounds of it Erm? However, patience and a sense of humour will do you the world of good Yes

Lambda would be my guess.... What engine is in yours? Is it still a 1.4 or have you done a conversion of some sort?

________________________________________

Almost standard 1999 Bianca Rallye
Hilux InvincibleX daily

306 No.13 Doh

Carp and specialist Anglers Click here
Posted 18th Nov 2011 at 16:14

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