CRD requires the vacsol electrically connected (plugged into harness). or if vacsol is removed a resistor (330ohm 1/2 watt) is to be placed across the sol electric harness connector terminals. The ECM requires this load or limp type fault will occur.
A tune will be a remap of ECM (postal or a live on dyno).
Was the noise a drone sound and did u notice that actuator rod had dropped down at the same time?Last night I was adjusting the needle valve. At some settings I could hear something that sounded like something opening, like when a vacuum seal is broken, you hear that release of a suction seal. I assumed it was the actuator opening and closing, but I'm not 100% sure????
Make sure that the needle valve fresh air bleed and vac hoses are of good condition and fit securely (3mm ID hose).
Much oil residue again in Dawes boost controller?





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