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Hi,

I have a 92 3000GT VR-4. When I accelerate hard the car revs to about 6,000 rpms and then cuts out. The boost guage registers 14 psi. This is a stock engine. In the past the boost never has gone beyond 7 psi. Also, the car, at times, has an irratic idle that jumps between 1500 and 4000 rpms while the car is in neutral or when the clutch is depressed.

Is there a rev limiter on this car? Is there a butterfly valve on this car that could be acting up? Any suggestions?

Patrick\Thanks
 
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Are you using the Factory Boost Gauge? It is HIGHLY inacurate.
Get an Aftermarket gauge to read it!

As for the other problem? don't know
 
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HELL no!!!! NOt even close. My factory gauge would (still does) go over 14psi when I was running stock psi of 8-9. Now that I have her at 14psi the factory pegs off the scale if i go ver 10psi...those gauges are pretty much just toys to looks cool when you are driving.....

You need to get an aftermarket gauge if you want to know what you are actually boosting!
 
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