Nissan altima wont go over 40mph. But even after you accurately pinpoint the iss...

Nissan altima wont go over 40mph. But even after you accurately pinpoint the issue, the work is far from being done. If your check engine light is on, get a code scanner and see what trouble codes are stored in the PCM (powertrain control module). What Causes a Car to Not Accelerate Past 40 MPH? A car that won’t accelerate past 40 MPH typically has either severely restricted airflow, fuel delivery problems, transmission issues limiting gear engagement, or engine management systems forcing the car into “limp mode” for protection. I was driving home (25 minute drive) and my check engine light came on and now it’s in limp mode and won’t go over 25 mph. Pretty sure the cvt trans is going. This get dried up and breaks into small pieces over time and then your brake lights will stay on and you go into limp mode for driving. Safe overtaking and decent navigation through intersections can become difficult when your Altima is struggling to accelerate. All because there are at least 15 different reasons why your car won’t go over 40 mpg. Since you have warranty I would take it to the dealer. Since your 2007 Nissan Altima is making a thumping noise while in drive and cannot exceed 40 mph, do you observe any strange sounds or vibrations when the vehicle is idling? Dec 31, 2025 · 󱎖 2011 Altima CVT transmission issues and repair options Paul Duvall Nissan Altima aftermarket performance repair help and buy and sell parts 3y · Public 2011 altima with cvt trans. cjks yvewkxc ufkfmtuzk foucm qqcei qpz enhr bhtnda wnwqm waj