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350z wont rev properly (video)

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Old Feb 2, 2016 | 05:37 AM
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From: Whitehaven
Default 350z wont rev properly (video)

so after doing a rebuild and taking the car for a drive I have this problem, its like it hits the rev limiter whenever I put more acceleration on,
completely stumped with no codes and no lights on
any ideas?
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IMG_9821.mov (681.3 KB, 49 views)
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Old Feb 2, 2016 | 05:41 AM
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triple check all intake connections, might have a vacuum leak
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Old Feb 2, 2016 | 05:44 AM
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would a vacuum leak not make it have an erratic idle? I've checked everything going round with brake cleaner to check.
Thanks
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Old Feb 2, 2016 | 05:47 AM
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hmmm,
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Old Feb 2, 2016 | 08:37 AM
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What happens when you take it on the road? Example: When you step on it, does it feel like its just not making power and falls on its face?

Are you running OEM tail lights?

I had an issue like this once upon a long time ago when I had the VQ. I had messed around with the taillights - It caused the car to act very weird. Similar to yours. I would go pedal to the metal and the car just wouldn't go anywhere.. No lights, nothing. After hrs and days and many dealerships visits.. no one could figure it out. When I switched back to the OEM tail lights and reset the computer.. the car was alive again.

Other things to check in order... MAF, Throttle body and injectors.

Last edited by Vas_Z33; Feb 2, 2016 at 08:38 AM.
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Old Feb 2, 2016 | 10:30 AM
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Originally Posted by Vas_Z33
What happens when you take it on the road? Example: When you step on it, does it feel like its just not making power and falls on its face?

Are you running OEM tail lights?

I had an issue like this once upon a long time ago when I had the VQ. I had messed around with the taillights - It caused the car to act very weird. Similar to yours. I would go pedal to the metal and the car just wouldn't go anywhere.. No lights, nothing. After hrs and days and many dealerships visits.. no one could figure it out. When I switched back to the OEM tail lights and reset the computer.. the car was alive again.

Other things to check in order... MAF, Throttle body and injectors.
It barely revs underload and if I floor it its falls on its face and dies. Never checked the tail lights.. They look standard. The car was fine before I hydro locked it. Torque converter has started to make a strange noise so thinking of changing that also. Car ran fine but lacked power then topped gearbox oil up and now have the problem in the video..
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