If you own an Infiniti Q50, Q60, or Nissan Z with the VR30DDTT engine, there is one component sitting inside your engine right now that could silently destroy it without any warning.

That component is the oil pump control solenoid.

What Is the VR30 Oil Pump Control Solenoid?

The VR30 uses a variable oil pressure system. The solenoid switches the engine between low and high pressure depending on driving conditions. At light loads, the ECU lowers oil pressure to save fuel. It sounds smart on paper, but it introduces one of the most dangerous failure points on the entire platform.

The Problem: No Warning, No Codes

When the solenoid fails on the VR30, it gets stuck in low-pressure mode. Your engine never exceeds 30 psi, even at wide open throttle and high RPMs. The most dangerous part is that the ECU does not trigger a Check Engine Light when this happens. No codes, no alerts, nothing. By the time the red oil light comes on, the damage is already done. Bearings, turbos, and internals suffer before you ever know there was a problem.

This is a documented issue across the entire VR30 platform affecting the Q50, Q60, and Nissan Z.

The Fix: VR30 Oil Solenoid Block Off Plate

The block off plate replaces the factory solenoid in the engine block, permanently eliminating low-pressure mode. Your VR30 runs at full oil pressure at all times, around 55 psi, regardless of RPM or load.

Key benefits:

• Full oil pressure at all times

• No Check Engine Light

• Direct bolt-on fitment, no tuning required

• Compatible with Infiniti Q50, Q60, and 2023+ Nissan Z

• Easy DIY install under an hour

Is It Worth It?

For the cost of a block off plate, you permanently remove one of the biggest risks to your VR30 engine. Tuners and performance shops across the country recommend this as a standard step, especially on modified builds. Compare that to the cost of an engine replacement and the answer is simple.

Get Yours at JRAccessories

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