Question about 2003 Nissan Maxima

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My car is running good and then all my horses got down and after a moment response again this problem does often

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I think i had the similar problem with my car. I'm tell what my car did and if it sound the same then do what i did.
When you push the car hard usually beyond 3500-4500 RPM it would just sorta lock up. Almost like when you reach the Electronic speed limiter, which is 137mph on the maxima00-03. car looses almost all of the power and gains it back soon you let go of the gas paddle but same if you push it again.

i had to change Mass air flow sensor. There was a recall by nissan about this sensor. They would only fix it if your has less then 80k miles. If above this mileage limit you are out of luck. Sensor costs about 100 bucks. It is located right on the Intake pipe of the car. Which is that round black pipe. If you look at carefully you would see a sensor located right on that intake pipe after the air filter. May be around 1 foot apart from the air filter. you can replace the sensor by your self because there are only 2 screws you would have to open. very simple. My machinic had recommanded me to go get your car's computer reprogrammed after changing the sensor... but you don't have to because car's computer relizes the sensor change. i had to pay 60 bucks for dealers to tell me that you don't need to get your computer reprogrammed because it resets it self.
Down turn........ this faulty sensor told my car after 80mph that car is not getting enough air in the air system and engine just would not generate as much horse power or reach its peak. so.....because of that my car gave very good mileage on the highway. I tested it out ... It gave me 454 Miles per tank before i replaced that senor. Now by replacing the sensor my mileage went down to around 375 per tank... this number is around what nissan claims.
HOPEFULLY THIS HELPS YOU.... IT DID HELP ME.... IF YOU DON'T DRIVE FAST OR DO STUPID **** LIKE MYSELF.... DON'T REPLACE THE SENSOR AND KEEP GETTING THE GOOD MPG YOU ARE GETTING....

Posted on Oct 13, 2008

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