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940 GL: Fuel Consumption Is High Recently 900 1995

posted by  Vijay6242 on  Tue May 3 20:35 CST 2005
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last visit: Wed Aug 20 19:47 CST 2008
[RELATED]

Hi Team,
Am driving 940 GL auto; manufactured 1995.

Recently I have notice the fuel consumption is getting higher and the performance started to degrade.

Here are the list of parts was changed

- air filter
- oil filter
- engine oil
- timing belt with all other belt together
- fuel filter
- spark plug
- radiotor cooler
- battery was changed

· am using all standard original parts when replaced them
· idle valve & throttle body was serviced

Could someone advise me what to check and where to begin?
If necessary kindly provide the complete engine diagram atleast help to allocate the devices.

I would appreciate your assistance & consideration in sharing some info.

Thank you
Prasad
+6012-387 3556
email : vijay6242@yahoo.com







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    940 GL: Fuel Consumption Is High Recently 900 1995

    posted by  940tom on  Wed May 4 11:46 CST 2005
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    last visit: Mon Oct 8 16:39 CST 2007
    [RELATED]

    I have seen an ECT failure, another rich running situation, where the engine ran ok but the gas mileage was in the 18 MPG range.
    http://www.brickboard.com/FAQ/700-900/EngineSensors.htm#DiagnosingECTFailures







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    940 GL: Fuel Consumption Is High Recently 900 1995

    posted by  someone claiming to be sredwine on  Wed May 4 08:12 CST 2005 [RELATED]

    Also could be leaking intake manifold gasket-check with carb cleaner or ether sprayed on it-if idle increases,it's leaking.Could also be catalytic converter-partially plugged-a mechanic could check this.sredwine 94 940T 158K miles








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    940 GL: Fuel Consumption Is High Recently 900 1995

    posted by  Steve on  Wed May 4 01:00 CST 2005
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    last visit: Fri Oct 24 07:16 CST 2014
    [RELATED]

    Are you noticing a rich mixture? It is possible for the mixture to enrichen due to failing fuel pressure regulator, faulty oxygen sensor, or leaking fuel injectors. See the 700/900 FAQ in "engine: performance" for tips (under the "features" button above).







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