Boost controller help needed!!!

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September 29, 201114 yr

I have a Grid boost contoller fitted and last night I disconnected it to move it, and now it appears to have lost its settings as the boost is now a lot lower than it was.

Does anyone know how I reset it?.

the controller was already fitted and I have no manual for it and can find one on the internet.

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September 30, 201114 yr

Think people will need a bit more info: model number, pics of the unit? Possibly worth trying to find a more general performance forum than just 300zx one aswell: driftworks etc.?

Soz I've never heard of Grid as a company.

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September 30, 201114 yr

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Think people will need a bit more info: model number, pics of the unit? Possibly worth trying to find a more general performance forum than just 300zx one aswell: driftworks etc.?

Soz I've never heard of Grid as a company.

Thanks for the reply but all sorted now and set up a treat.i had disturbed on of the pipes which was split and leaking and a few other noost leaks which have been rectified.couldnt find much info on Grid products, they seem to sell in Japan only from what I can make out.

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September 30, 201114 yr

Perhaps you mean GRiddy

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Check engine light comes on and off sporadic.

Those codes are all pointing at a related issue. A/F ratio falling out of range, heater elements within the O2's out of temp range, EGR sensor or exhaust gas temp falling out of range, etc. There is a few areas to consider...
Was any work recently done to the car that may have triggered this? When was the last time you replaced the O2 sensors? Check the O2 connectors and wiring to make sure one of them hasn't contacted the exhaust or melted. Any exhaust leaks especially before the cats? When was the last time you performed an induction service and cleaned the intake, TBs, IAC, etc? The EGR and IACV love to get carbon buildup over the years and can affect flow, similarly can happen to the vac lines to the factory wastegate control solenoid. You mentioned the car felt like it was still running well, so no idle RPM fumbling, hanging, stumbling, etc? Are you running an aftermarket boost control solenoid or OEM? Sorry for the load of questions, but need a bit more to go off of to help point you in the right direction.
Even though the vehicle has considerable low mileage, it's still 30 years old. If it's kept in a garage it tends to handle the elements better than sitting out in the external environmental conditions and will need more routine maintenance and care regardless if it's being driven or not. (i.e. 60K / 120k maint w/ timing belt)

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Boost controller help needed!!!

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