Problem 300z lost power
02-07-2012, 08:56 PM
#1
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Join Date: Feb 2012
Posts: 8
Problem 300z lost power
hi im new here and ineed of some help.
A few months ago my Ac belt came of , I drive without because people told me it was fine.3 days later my car felt like my clutch was slipping. I put on new wheels , changed the belt , I was messing with the air filter and fuel filter and my car got better. Only now it was very slow hard to accelrate and grinding noise came from the back.I change my bearings and nothing happened I changed my differential and it took the noise away and my car is running okay now.But after all that it still feels like it lost power , I cant accelerate as fast as i want to and seems to have a hard time doin so. PLease help , should I take it the the shop?
thank you for your time
A few months ago my Ac belt came of , I drive without because people told me it was fine.3 days later my car felt like my clutch was slipping. I put on new wheels , changed the belt , I was messing with the air filter and fuel filter and my car got better. Only now it was very slow hard to accelrate and grinding noise came from the back.I change my bearings and nothing happened I changed my differential and it took the noise away and my car is running okay now.But after all that it still feels like it lost power , I cant accelerate as fast as i want to and seems to have a hard time doin so. PLease help , should I take it the the shop?
thank you for your time
02-08-2012, 05:19 PM
#3
Welcome to ZDriver! 
Your post isn't too clear, and that's probably why no one has responded to you.
I read your post several times... so you just started replacing stuff until the sound changed? Have you pulled the ecu codes? Did you verify that the new diff has the same gear ratio as the stock one?
Your post isn't too clear, and that's probably why no one has responded to you.
I read your post several times... so you just started replacing stuff until the sound changed? Have you pulled the ecu codes? Did you verify that the new diff has the same gear ratio as the stock one?
02-08-2012, 08:11 PM
#5
Registered User
Thread Starter
Join Date: Feb 2012
Posts: 8
Welcome to ZDriver!
Your post isn't too clear, and that's probably why no one has responded to you.
I read your post several times... so you just started replacing stuff until the sound changed? Have you pulled the ecu codes? Did you verify that the new diff has the same gear ratio as the stock one?
Your post isn't too clear, and that's probably why no one has responded to you.
I read your post several times... so you just started replacing stuff until the sound changed? Have you pulled the ecu codes? Did you verify that the new diff has the same gear ratio as the stock one?
sorry bout this im new to cars aswell.
the thing is the car has power but its not pulling
02-10-2012, 06:17 PM
#8
one sound fits all
Join Date: Apr 2008
Posts: 134
It can be pretty bad
the stock airbox has a lot of restriction already plus a dirty clogged air filter will really limit the amount of air entering the intake and oxygen is everything.
Soo a dirty air and fuel filter will make a difference but not a major difference
it will drive smoother and cleaner to have those replace
the stock airbox has a lot of restriction already plus a dirty clogged air filter will really limit the amount of air entering the intake and oxygen is everything.
Soo a dirty air and fuel filter will make a difference but not a major difference
it will drive smoother and cleaner to have those replace
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