Technical Loss of power/turbo

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Technical Loss of power/turbo

JanCh

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Oct 4, 2013
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I have a Fiat fiorino 1,3 multijet from 2009. Now the engine lamp is on. And when i Press the gaspedal Down in 4. And 5. Gear it goes in some type of safety mode. Seems like the turbo stops running. I have had a tester on and there are 2 errors. P0234 and P0402, does anyone know what is wrong.
 
I have a Fiat fiorino 1,3 multijet from 2009. Now the engine lamp is on. And when i Press the gaspedal Down in 4. And 5. Gear it goes in some type of safety mode. Seems like the turbo stops running. I have had a tester on and there are 2 errors. P0234 and P0402, does anyone know what is wrong.

Hi, If I remember correctly code P0234 is turbo overboost (turbo pressure excessive) and P0402 is egr flow too high/excessive

Check vacuum hoses relating to the turbo overboost, my other halfs was crushed against some plastic, replaced it and reset the computer and it was fixed. The other problem could be a blockage in the egr valve, or it could be faulty
 
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