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Old 08-24-2012, 10:47 AM   #1
Sk1r3x
Registered User
 
Join Date: Aug 2012
Location: Slovakia
Posts: 4
My Ride: e46 330D 135kW
330D turbo disturbing accel.

Hi guys, I've got some turbo problem. Four months ago my mechanic forgot to lock tape on connection of intercooler and air hose to manifold. From this moment I feel turbo is knocking when starts to blow ... I found out that actuator is jumping up and down from 1800 rpm during whole acceleration, not only smoothly opens like it's normal ... BUT ! This stops happen after I disconnect MAF , actuator is pulling smoothly and there is no turbo lagging anymore.

Things I tried : cleaned MAF , switched converters between TURBO-EGR , new MAP, closed EGR.

Diag through INPA looks fine , no overboost spotted, MAF values also good...

This is my car , check it after 13th second , actuator pulling fine without maf connected


... and this is actuator jumping after boost 1800rpm wit MAF connected


sorry for grammar .... any ideas ?

Last edited by Sk1r3x; 08-24-2012 at 11:42 AM.
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