2.0l 16v Gte Turbo - Drinking Fuel
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Thread: 2.0l 16v Gte Turbo - Drinking Fuel

  1. #1
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    2.0l 16v Gte Turbo - Drinking Fuel

    PLEASE PLEASE PLEASE CAN ANYONE HELP ME.....?!?

    I am having a real hard time getting 200 miles out of a tank of petrol...

    Is there anything that I can do to improve my MPG?

    any ideas very welcome as I am spending a huge amount on fuel

    thanks in advance
    BMW's - MOVE OVER!!!!!

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  3. #2
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    thats bad mate, u should is not leadfootitus? im have no idea myself, but bttt for you
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    Make sure everything engine wish is running correct, correct fueling etc . Other than that don't drive do hard , it is a turbo in the end.

    Cheers,

    Chun.

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    I am putting some of it down to leadfootitus.... but I was hoping that I should be getting more Miles Per Gallon...

    What MPG are any of you turbo drivers getting??

    Also, any other ideas that could increase my MPG

    thanks again
    BMW's - MOVE OVER!!!!!

  6. #5
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    i have leadfootitus on my cav gsi and that goes thru fuel like nothing else, im putting 25-30 quid a week in it! and thats N/A not turbo'd
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  7. #6
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    well, the turbo engine have a really "variable" MPG. When you running before turbo pressurize, you MPG need be like stock, because the fuel regulator send the fuel for "how many air" have in line.. If have vacuum in line, the demand of fuel need be stock.
    But, if you running always in high power, max boost, is normal the MPG get so bad, because if you running 14PSI example, you need 80% more fuel than without pressure.
    If your engine have bad MPG when running in low revs, maybe can be injectors much big and bad fuel regulator(need set correct flow of mixture).
    My car is alcohol, alcohol drink much more fuel than gasoline, i running withg 14PSI(1bar) of max boost. And if i running only in low revs(2.000 to 3.000rpm, thats my turbo don't operate), my consumption is around 5,5 kilometer per litre of alcohol. But, when i use high rev(that turbo pressurize 14PSI), my fuel consumption goes down, around 2,3 kilometer per litre.

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    Faults

    Check for faults codes (ECU) It might be the o2 sensor (lambda)
    As i had this fault and a full tank got me about 180 miles.
    That was running standard boost!

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    So is the overall opinion that he should swap the lamdba sensor then.I may try this .Price?Genuine or not?
    Mark Beeson

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    like a saint-9points
    a reply i got today from just lamda website.


    Hi

    We can supply a genuine Bosch one (0 258 003 021) that is the usual
    one for a c20let engine at £70.50 inc vat and carriage.

    It may be ordered at
    https://www.secured-transfer.com/lambda/order.htm using our secure
    link. Please quote that part number. Credit cards are not debited
    until dispatch. Please do not order by Email. If you wish to place it
    via 'phone then 01482 443320 and ask for Graham.

    Regards,
    Graham
    http://www.lambdasensor.com - Just Lambda.

    cheapest place that i have found anywhere.

    HTH

    rodgerq


    ps i changed my lambda probe today (for an XE one - same part number as above stated for LET) and my car is goin much better now. not had a chance to check MPG but i imagine it wil be better. i usually get about 100 miles to each tenner i put in of S/U optimax. duno what that equates to in MPG. it has been gettin gradually worse with the lamd aprobe being knackered but should be back to normal now
    thick red - battery, thin black - igntion switched feed, thick red/blue - fuel pump, brown/blue - ecu light. thin green - rev counter.

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    100 miles to a tenner.NO WAY .how is that possible?Its in a nova like mine.right.Im lucky to get 200 miles to a full tank of opti which is about £28.that works out to 71 miles per tenner!
    Mark Beeson

    If its a NOVA I might know. Ive tried/fixed everything.
    Nova 280+ bhp and a quaife straight cut gearkit + ATB and water injection and 6 pot calipers that wont fit! Now I have a power steering setup for my nova!
    I also own a Citroen Xsara VTS

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    To original question,

    firstly do you do a lot of motorway miles and if so do you drive quickley so the turbo is on boost a lot?

    secondly, what colour are the plugs, is it running rich at all?

    Dan
    Keepin it welded!

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    Re: Faults

    Agreed, double check Fuel ratio and lambda functionality..
    Also petrol leaks
    Do you ever spell petrol????

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    I get 28mpg on a bad run.

    Are your plugs black from overfueling? Maybe you hae a fuel leak.
    Contemplating lots of things

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  15. #14
    Admin/show reporter Johnny A's Avatar
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    How do you check if the Lamda sensor is working but no ECU light?
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    i dont actually know how to check it but i suppose with a volt meter if you can find someone who has the range it shold operate in. i only got an ecu light on if i was givin it some and it was high up the revs. usually when the engine is under more than normal load eg goin up a steep hill in a high gear. if youflash your codes up (even though your ecu light is out) and you get code "31" (oxygen sensor open circuit) then your lamda probe is knackered.
    thick red - battery, thin black - igntion switched feed, thick red/blue - fuel pump, brown/blue - ecu light. thin green - rev counter.

  17. #16
    Admin/show reporter Johnny A's Avatar
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    You mean 13?

    13 - Oxygen sensor - No change in voltage/open circuit.

    If so please excuse me while I go and cry in the corner...
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  18. #17
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    naw mate as far as i remember code 13 is no rpm signal - ie you are flashin up the codes with your engine switched off. try it with the engine running and see what you get then. post the codes and someone will check them. i dont have the list here but somewone will know them

    rodgerq
    thick red - battery, thin black - igntion switched feed, thick red/blue - fuel pump, brown/blue - ecu light. thin green - rev counter.

  19. #18
    Admin/show reporter Johnny A's Avatar
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    no thats number 12,

    I have the list for my engine (motronic 2.8) and 13 is the oxygen sensor open circuit

    31 is:

    31 - Engine RPM signal (crankshaft sensor) - No signal
    Vauxhall Nova Estate - Isuzu diesel, EPAS and it's an estate yo!
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  20. #19
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    number 12 is just the starter/ender code but if you are gettin code 13 then its time for a lambda probe im afraid. see my post on here above these ones and check out that website cause they are the cheapest about. by the way the LET probe is the exact same as the XE probe so the ibfo on my post applies to you aswell.

    HTH

    rodgerq
    thick red - battery, thin black - igntion switched feed, thick red/blue - fuel pump, brown/blue - ecu light. thin green - rev counter.

  21. #20
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    Many thanks to all of you that have helped me.

    Im pretty sure that the lamba sensor is nackered coz the engine man. light keeps coming on and thats the fault that it throws out.

    Im gonna get the lamba replaced along with the water temp sensor and see what diff it makes.

    again, many thanks
    J

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    You know what i think im going to do the samelmao
    Mark Beeson

    If its a NOVA I might know. Ive tried/fixed everything.
    Nova 280+ bhp and a quaife straight cut gearkit + ATB and water injection and 6 pot calipers that wont fit! Now I have a power steering setup for my nova!
    I also own a Citroen Xsara VTS

  23. #22
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    WOOHOO Lambda probes all round. seems like everyone needs one just now.

    lol

    rodgerq
    thick red - battery, thin black - igntion switched feed, thick red/blue - fuel pump, brown/blue - ecu light. thin green - rev counter.

  24. #23
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    ive changed the lambda sensor and it seems to resond better and no missfire.But still i get a ecu light.New thread i think!
    Mark Beeson

    If its a NOVA I might know. Ive tried/fixed everything.
    Nova 280+ bhp and a quaife straight cut gearkit + ATB and water injection and 6 pot calipers that wont fit! Now I have a power steering setup for my nova!
    I also own a Citroen Xsara VTS

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