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Thread: 2.0 DTI ( Y20DTH intermittent boost... help!!

  
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    DTI ECOSSE's Avatar
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    2.0 DTI ( Y20DTH intermittent boost... help!!

    Hi everyone, before I start would like to thank Vanman Chris and TPT Tuning for their inputs into my last thread... thanks guys Ok now to the point, I lost turbo boost on my astra fitted with the Y20DTH engine and as the forementioned suggested changed all the vac pipes for silicone rubber, which has worked, but now somedays it boosts some days it doesn't, any ideas?? cos the car and ma mrs are both doing ma head in??... please help, thanks in advance

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    the MAP sensor may need cleaning its on the front of the engine near where the intercooler pipe joins the manifold black square thing held in with one torx bolt.

    clean with carb cleaner / electrical contact cleaner

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