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02 Focus 1.8Tdci....no Boost At All.

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#1 Andrew Jeffs

Andrew Jeffs


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Posted 04 July 2012 - 04:10 PM

All of a sudden,i have lost all turbo boost from my 02 focus 113hp tdci.
The car is not displaying a diagnostic warning light,and i have no black smoke,or unusual noises to indicate a failed turbo.
The car is basically driving like a flat 1.8 diesel,no misfires etc.

My initial thought was a split turbo or intercooler hose,but they are all ok.
I thought it could possibly be one of the valves on top of the engine under the plastic cover,but i have been led to beleive,this would throw the diagnostic light on.
Or possibly the sensor on the intercooler,but i assume this would also throw a light.

My local garage couldnt find anything,but he said his diagnostic equiptment is not exactly cutting edge.

Any idea??

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