M.
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Reged: 10/09/2010
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Posts: 282
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Loc: Costa del Poole
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suddenly very high fuel consumption
24/10/2013 01:39
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Most of my injection knowledge goes as far as K-Jet, so Lambda and EFI issues are newish.
On a recent journey, after several hours of normal fuel consumption which would nominally be around 26-27mpg, consumption increased to below 20mpg at normal cruise speeds/RPM. on gentle load increases, what would be around 15-19mpg has gone down to 8-9mpg. Once this started happening, occasionally, would return to normal, before increasing again.
Is this a attributable to Lambda? or something else. I'm a little stuck for running diagnostics at present.
85 WR quattro
90 V8 Silver, 91 V8 Black, 93 V8 Lago
93 100e quattro V6. Titan, i think
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