GReddy INTERCOOLERS: Nissan GTR 2009- / Type29R - Manual (Page 18)

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If irregular idle or engine stall occurs, loosen the M6 lock nut and turn the adjustment screw to HARD
until the problem is eliminated. After the adjustment, tighten the lock nut to secure the setting.
※ The adjustment is preset to the softest position form factory. Do not turn it further out that this
position.
※ Make sure to loosen the lock nut before making adjustment. Turning the adjusting screw without
loosening the lock nut will strip out the top housing.
※ When the adjustment screw is turned in, the stock of the valve decreases. Screwing it in too far will
affect the proper operation of the valve. When venting the outlet to the atmosphere, depending on the
application, the airflow meter voltage can drop enough to stall the vehicle when the blow off valve is
discharged. If adjustment of the top screw cannot prevent the engine stall, install e-Manage system
and use the Anti Engine Stall feature or reroute the discharge outlet back into the intake system after
the airflow meter.
Adjustments After Installation Adjustments After Installation Adjustments After Installation Adjustments After Installation