G35 Sedan V35 2003-06 Discussion about the 1st Generation V35 G35 Sedan

High RPMs

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Old 09-24-2018, 07:06 PM
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High RPMs

Ok so I have a problem with my RPMs not matching engine speed and it only happened today when I was leaving work. I have a 6mt if that helps. If anyone knows what that is please let me know
 
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Old 09-24-2018, 07:38 PM
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RPM and engine speed are the same thing.. do you mean the tachometer isn't displaying what you think the engine is spinning at? If you press the gas do the RPMs rise but your wheel speed stays the same? Gunna need a bit more info on this one.
 
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Old 09-24-2018, 07:43 PM
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Originally Posted by g356sp
RPM and engine speed are the same thing.. do you mean the tachometer isn't displaying what you think the engine is spinning at? If you press the gas do the RPMs rise but your wheel speed stays the same? Gunna need a bit more info on this one.
Lmao yeah the tach is what I was trying to say, thanks. Yeah when I accelerate the tach goes up a little higher than usual. Could it be the MAF possibly?
 
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Old 09-24-2018, 07:49 PM
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It could be a worn clutch. If you're in 5th gear and you punch the throttle WIDE OPEN do the rpm's shoot up a little then drop back down?
 
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Old 09-24-2018, 07:52 PM
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I have a short drive home from work and on the streets I take they don’t require 5th gear so I’ll take it for a drive and get back to you. It also idles at 1k now
 
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Old 09-24-2018, 08:10 PM
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You might have a vacuum leak, check the air intake for leaks, unscrew the PCV valve and make sure it rattles when you shake it, check the PCV hoses on both valve covers and the balancer tube between valve covers for any cracks or loose fittings which might indicate a leak. Once you're sure there isn't a leak perform the idle air reset (best would be to perform ALL resets) as shown here:

http://nicoclub.com/archives/g35-350...procedure.html

Use a timer, the seconds counts need to be exact.
 
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Old 09-24-2018, 08:18 PM
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Originally Posted by cleric670@gmail
You might have a vacuum leak, check the air intake for leaks, unscrew the PCV valve and make sure it rattles when you shake it, check the PCV hoses on both valve covers and the balancer tube between valve covers for any cracks or loose fittings which might indicate a leak. Once you're sure there isn't a leak perform the idle air reset (best would be to perform ALL resets) as shown here:

http://nicoclub.com/archives/g35-350...procedure.html

Use a timer, the seconds counts need to be exact.
just drove it again and it doesn’t do it anymore
 
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