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Engine wont rev over 3K :(

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Old Jun 4, 2008 | 03:20 PM
  #1  
Drew2+2's Avatar
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From: Eureka, CA
Engine wont rev over 3K :(

So my Z wont rev over 3000 RPM when in neutal and it bogs out the second i put it into gear and try to go.

Help would really be appreciated. Thanks.
Old Jun 4, 2008 | 03:31 PM
  #2  
ZLover4Life's Avatar
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Search. I can recall at least two threads covering this issue. It'll be your fuel system.
Old Jun 5, 2008 | 06:25 AM
  #3  
CanyonCarver's Avatar
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Check the MAF. Any ECU codes?
Old Jun 5, 2008 | 01:02 PM
  #4  
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Oh yeah... MAS (a.k.a. MAF) or fuel system (forgot the MAS can cause that problem)
Old Jun 28, 2008 | 10:27 AM
  #5  
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Are you sure its 3000 and not 2500 rpms? If it's 2500 rpms I can almost guarantee that it is your MAF sensor. More likely the MAF connector and/or associated wiring.
Old Jul 23, 2008 | 03:48 PM
  #6  
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hmmm my bet's on your air flow
i had a similar problem with my Z
couldnt rev over 3,000 RPM
soo i had my MAF replaced at the shop and it works fine now
you should get it check at the shop to know for sure
get the car diagnose and fix it yourself

Last edited by 3riCJbOi; Jul 24, 2008 at 10:32 AM.
Old Jul 27, 2008 | 07:15 PM
  #7  
domsgarage's Avatar
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3 times

check your MAF
Old Aug 11, 2008 | 11:31 AM
  #8  
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From: Eureka, CA
So I discovered that everytime I clear my ecu the car runs perfect for about half n hour then goes back to not wanting to rev over 2500-3000rpm.

How do I check my MAF?

Last edited by Drew2+2; Aug 11, 2008 at 03:17 PM.
Old Aug 11, 2008 | 11:47 AM
  #9  
NismoPick's Avatar
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What code is the ECU telling you?
Old Aug 11, 2008 | 01:53 PM
  #10  
Drew2+2's Avatar
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55 everytime
Old Aug 11, 2008 | 07:31 PM
  #11  
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is that your z with the jspec? nice.

you can look up in the online FSM how to check the MAF. just do a google search for "online 300zx FSM" and it's in there. i find it hard to navigate, but it's in there.
Old Aug 15, 2008 | 08:51 PM
  #12  
entropy31's Avatar
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Originally Posted by KasbeKZ
is that your z with the jspec? nice.

you can look up in the online FSM how to check the MAF. just do a google search for "online 300zx FSM" and it's in there. i find it hard to navigate, but it's in there.
pretty sure that pic in his sig is not his Z. it's the yellow '99 that seems to be the most common example of the '99.
Old Aug 16, 2008 | 07:05 AM
  #13  
KasbeKZ's Avatar
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oh yeah i guess the plate and the black background kinda give that away
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