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Tech Talk Technical Discussion About The Nissan 240SX and Nissan Z Cars


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Old 03-22-2010, 01:52 AM   #1
cotbu
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Old thread I know, but just to clarify I have a stock jdm 94 180sx (black top) with boost solenoid, and stock boost is 7psi, no more, maybe you guys doing swaps got an engine with a shimmed wastegate or something...
You with only a post count of ten...should do some test. like remove the solenoid from the equation, then log boost if it's 7psi ask yourself what's wrong with this?

unrelated, I have friend that says he was running 10psi. He was actually running 20+ on an s14 bb turbo with 370's. When he looked at his gauge it was 10psi. I don't doubt that. When I looked at the gauge it was 20, then by 6900rpm it was 10psi

your solenoid is probably not functioning or the ecu is detecting something (like over boost) and turning off the solenoid.
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Old 03-22-2010, 09:11 AM   #2
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Originally Posted by cotbu View Post
You with only a post count of ten...should do some test. like remove the solenoid from the equation, then log boost if it's 7psi ask yourself what's wrong with this?

unrelated, I have friend that says he was running 10psi. He was actually running 20+ on an s14 bb turbo with 370's. When he looked at his gauge it was 10psi. I don't doubt that. When I looked at the gauge it was 20, then by 6900rpm it was 10psi

your solenoid is probably not functioning or the ecu is detecting something (like over boost) and turning off the solenoid.
Post count doesn't have anything to do about how much me or you know about cars, I have code 55 on my ecu, I already removed the solenoid from the equation too, hope your friend's s14 is not running 20psi with 370cc injectors
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