Question about 2004 Nissan Maxima
Today I got in my 2004 Nissan Maxima and turned the key to notice that it whirlled alot before starting and when it did my Service Engine Soon light came on. So I said hmm...then I put it in reverse backed up put it in drive and started to accelerate only to notice that I was barely moving. I had no power. I have the variable transmission so I pushed it over to manual and noticed that my display said 5th gear. After stopping and turning the car off and trying it again it was fine till I turned it off again then the same problem all over again....whirl, whirl whirl, Service engine soon and then 5th gear only. PLEASE HELP!! was driving on the interstate and my transmission locked into 5th gear. It didn't go back to being normal until I stopped the car put it in park and turned it off. Now it's shifting pretty harsh. Had a mechanic look into it and he said I need a new trans. My trans oil is also pretty dark and I just had it flushed a year ago (20,000) miles. Any help is appreciated.
This is most likely one of your cam shaft sensors. The reason your transmission goes to 5th gear and stays there is because the car automatically goes into "safe mode". This prevents you from running the car on high RPM's which decreases the chance of causing more damage to the engine.
Depending on the code you get from the check engine light, it will be one of the cam-shaft sensors or the crank shaft sensor. A code reader will answer that question.
Often the sensor just fails or oil gets into the connectors which prevents proper reading. This sometimes goes away temporarily when engine is hot but problem will return.
To replace the cam shaft sensors you are looking at approximately 30 min of work. Its a tight fit but not a difficult job.
Cam shaft sensors are about $80. Not sure how much crank haft sensor is.
Hope this helps, and good luck.
Posted on Dec 16, 2009
Have your mechanic take a special hadr look at the cam pos sensor. we have seen this problem alot out of those vehicles and this seems to fix them without replacing the trans.
trans expert at MR. transmission
Posted on Jun 03, 2009
Change the the 2 cam sensors and crank sensor with Nissan oem parts. AFTER MARKET WILL NOT WORK. https://parts.nissanusa.com/
Posted on Nov 09, 2019
I am having the same exact problem with my 2004 maxima right now. Literally just happened about an hour ago. What did the problem end up being?
Posted on Apr 25, 2013
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