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-   5th Generation Maxima (2000-2003) (https://maxima.org/forums/5th-generation-maxima-2000-2003-7/)
-   -   At WOT it only revs at 6,000 rpm. It's redline is at 6,600 (https://maxima.org/forums/5th-generation-maxima-2000-2003/677740-wot-only-revs-6-000-rpm-its-redline-6-600-a.html)

bizzy9221 May 7, 2014 09:29 AM
5.5 gen only revs to 6,000 at WOT?
 
At full throttle it only revs to 6,000? Redline is at 6,600 but will only reach 6,000 slowly and i feel a slight power loss up top for some reason. Any reason for this?

bizzy9221 May 7, 2014 09:56 AM
At WOT it only revs at 6,000 rpm. It's redline is at 6,600
 
At WOT it only revs at 6,000 rpm. It's redline is at 6,600. It used to rev at 6,200 but now it only stops at 6,000 with a slight loss of power at the same time. Low end power is good but top end feels sluggish now. Any reason for this?

nsnrider May 7, 2014 10:22 AM
try cleaning the mass air flow sensor with appropriate cleaner. if it doesn't work, might need to replace it.

bizzy9221 May 7, 2014 10:36 AM
What is the proper way to clean it? I tried taking it out once but the two screws holding it down are rusted.

NmexMAX May 7, 2014 10:38 AM
Originally Posted by bizzy9221 (Post 8949239)
What is the proper way to clean it? I tried taking it out once but the two screws holding it down are rusted.
:squint: :Orly:

http://forums.maxima.org/5th-generat...10-w-pics.html

bizzy9221 May 7, 2014 11:05 AM
Thanks. Although I lost the straw

dfj240 May 7, 2014 05:10 PM
Originally Posted by bizzy9221 (Post 8949212)
At full throttle it only revs to 6,000? Redline is at 6,600 but will only reach 6,000 slowly and i feel a slight power loss up top for some reason. Any reason for this?
Check cats, including precats. Also could be MAFS.

bizzy9221 Jul 31, 2014 06:33 AM
I figured out it was the cats they were all clogged and now gutted

NmexMAX Jul 31, 2014 06:52 AM
So ... now you rev to 6600? Never heard of such a problem but theoretically I guess it makes sense.

bizzy9221 Jul 31, 2014 07:01 AM
Yeah other then the fact i heard its common for first gear to short shift. But as for over all acceleration it's all there and more. I even replaced the MAF for the hell of it

colt149 Jul 31, 2014 08:27 AM
Wot
 
[[c
olor="black"]i]i have read in one of the thread that gle and gxe 5th gen maxima have rev limiter done by nissan due to safety issue. The front stabilizer bar is only 22mm and the coil spring and suspension are not sport tuned.

Gxe havee p215/55hr16 with overall height of 56.3

gle have p215/55hr17 with overall height of 57.1

se model of 5th gen maxima does not have a rev limiter with thicker front stabilizer bar 23mm, sport tuned suspension-higher rear spring rate with performance tire p225/50vr17, overall height is 56.7.
[/i][/COLOR]

NmexMAX Jul 31, 2014 08:50 AM
All Maximas have rev limiters, no matter the year, trim or tranny.

dwapenyi Jul 31, 2014 08:56 AM
Originally Posted by NmexMAX (Post 8973198)
All Maximas have rev limiters, no matter the year, trim or tranny.
Yeah...must have been a typo for speed limiter.

The inaccuracy of the OEM analog tach becomes painfully obvious when you watch a youtube video of a Maxima running hard to redline with one of those digital fuel controllers set to display rpms.

dwapenyi Jul 31, 2014 08:59 AM
Originally Posted by bizzy9221 (Post 8973156)
I figured out it was the cats they were all clogged and now gutted
How did the pre-cats look?

bizzy9221 Jul 31, 2014 10:55 AM
Bank 2 pre cat was all in crumbles. Bank 1 had the whole broken piece of honey comb hanging out the outside of the pipe like it was trying to pinch a ****.

Child_uv_KoRn Jul 31, 2014 02:57 PM
Originally Posted by bizzy9221 (Post 8973223)
Bank 2 pre cat was all in crumbles. Bank 1 had the whole broken piece of honey comb hanging out the outside of the pipe like it was trying to pinch a ****.
Where's all the nonbelievers, now? :laugh:

I hope they didn't damage your cylinder walls or rings.

Make sure to gut the rear cat. It's probably full of the debris and still choking the engine.

clive Jul 31, 2014 03:14 PM
Won't gutting the precats throw a code?

NmexMAX Jul 31, 2014 03:42 PM
Originally Posted by clive (Post 8973279)
Won't gutting the precats throw a code?
Seems like antifoulers do the trick. No need to mess with wiring with sims thse days.

I've yet to have a secondary code and I've had headers for 9 years/110k miles.


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