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Mk7 Tdci 1.6 No Boost.....sometimes

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#1 S666LER


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  • Ford Model: Fiesta Zetec-s TDCI MK7
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Posted 05 October 2012 - 07:41 AM

Not sure what's going on but twice now I have been going along about 1minute or so and its like there is no boost. Pushing down in the accelerator the revs wont increase but the car itself idles OK and no lights on the dash are flashing. But as soon as I turn the car off and on its fine??

Now I had filled up with different diesel between the 2 times its happened in case it was a bad batch but no change. Stripped airbox down to see if its blocked but nothing.

So now I need some advice.

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#2 aguycalledmal


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  • Name: Mal
  • Ford Model: Focus Mk3 1.6tdci Titanium X
  • Year: 2012
  • Location: Yorkshire

Posted 05 October 2012 - 09:41 PM

Possibly the mass air temp sensor ( I think that is what it is called ) on inlet pipe is playing up or blocked / dirty

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