Engine wont rev past 1500rpm

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Mar 18, 2008 | 06:48 PM

#41

BigFly_2K2SE

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From: Grande Prairie, AB, Canada

Quote:

Originally Posted by Fargo

Sounds good. So do feel we are ok to drive our Maximas the way they are? Did you clear your check engine light or did it turn off yet? Since I tend to think it was a cold weather thing I'm debating if I need to do anything or if I should just reset the ecu. What did you do?

I cleared the CEL and it has not returned. I would bet that yours will disappear shortly (if it hasn't already) even if you don't reset the ECU. I do not think there is any harm in driving it like it is for now........besides it's tough to find the cause of a "problem" that isn't there anymore. It's probably going to be at least 8-10 months before this comes up again as I don't expect the weather to get that cold again for awhile.

Mar 18, 2008 | 06:50 PM

#42

BigFly_2K2SE

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From: Grande Prairie, AB, Canada

Quote:

Originally Posted by q45Owner

In my situation the car would not go beyond 1500RPM, I would unplug the TB connector, plug it back in and the car would be good for 3+ weeks. Then it could come back again.

However; if the car cuts out while you are on the road and does not let you go beyond 1500RPM it can be dangerous. I am not sure of the controller programming, but if it can go into limp mode *anytime*, I would fix it before taking the chance again....

Not sure about all situations, but in this case the limp code is caused by lack of a "feedback" signal at startup. It is not something that would occur on the road and I would bet that "limp" mode will always occur right after a startup.

Mar 21, 2008 | 09:10 AM

#43

NmexMAX

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From: Santa Fe, NM

Quote:

Originally Posted by BigFly_2K2SE

I’ve had this happen on the road.

It’s more a function of sensor feedback (TPS/APPS) vs start-up readiness.

Mar 22, 2008 | 07:34 AM

#44

BigFly_2K2SE

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From: Grande Prairie, AB, Canada

Quote:

Originally Posted by NmexMAX

I’ve had this happen on the road.

It’s more a function of sensor feedback (TPS/APPS) vs start-up readiness.

Okay, I stand corrected.

Mar 22, 2008 | 02:49 PM

#45

Redstone

Senior Member

Joined: Dec 2004

Posts: 331

Quote:

Originally Posted by Fargo

Anyone ever have a problem with the engine not revving. Even in neutral the engine wont rev past 1500rpms +/-. Any ideas of what this might be?

Checking the codes would be the best way to start getting to the root of this problem. The codes should steer you in the right direction.

Mar 31, 2008 | 01:57 PM

#46

eclipz35

Junior Member

Joined: Mar 2008

Posts: 22

classical MAF problem. I had to replace mine too

Mar 31, 2008 | 02:09 PM

#47

NmexMAX

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From: Santa Fe, NM

Quote:

Originally Posted by eclipz35

classical MAF problem. I had to replace mine too

Actually, no, 2500RPM is classical MAF, this is classical APPS/TPS.

Jan 27, 2009 | 07:12 AM

#48

jwcottom

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Joined: Jan 2009

Posts: 2

Were do i look 4 it(MAF) on my 03 max?

Jan 27, 2009 | 07:30 AM

#49

Progress

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From: Buffalo, NY

Quote:

Originally Posted by jwcottom

Were do i look 4 it(MAF) on my 03 max?

http://farm4.static.flickr.com/3260/...5289a523_o.jpg

Feb 13, 2009 | 01:41 PM

#50

Kevin Trout

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From: Calgary, Alberta, Canada

Quote:

Originally Posted by Fargo

Anyone ever have a problem with the engine not revving. Even in neutral the engine wont rev past 1500rpms +/-. Any ideas of what this might be?

I've had exactly the same thing happen in my 03 maxima several years ago. I called up the dealership and described the problem, what they recommended I do is pick up some gas line antifreeze. I poured a bottle of that in the gas tank, and the problem was almost instantly cleared up. I figure there must have been a small amount of water in the gasoline I purchased, which led to the gasoline lines freezing up.

I always make sure to carry a few bottles of the antifreeze with me now, although I haven't had the problem happen since.