# car wont rev past 2500rpm **URL:** \ **Category:** SON240sx Automotive\ **Created:** [July 17, 2010, 4:05pm UTC](https://forums.speedlife.net/t/car-wont-rev-past-2500rpm/157989 "2010-07-17T16:05:19Z")\ **Posts on this page:** 4\ **Page:** 1
**Author:** ![1991s13](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/1991s13/32/5794_2.png) [@1991s13](https://forums.speedlife.net/u/1991s13)\ **Post date:** [July 17, 2010, 4:05pm UTC](https://forums.speedlife.net/t/car-wont-rev-past-2500rpm/157989/1 "2010-07-17T16:05:19Z")
hi guys i have a 1991 240sx it wont rev past 2500rpm i belive its the maf but i have no way to check i need help i live in the south end of barrie please help! Jesse ---
**Author:** ![smitty](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/smitty/32/5862_2.png) [@smitty](https://forums.speedlife.net/u/smitty)\ **Post date:** [July 18, 2010, 12:20pm UTC](https://forums.speedlife.net/t/car-wont-rev-past-2500rpm/157989/2 "2010-07-18T12:20:29Z")
Its prob the maf, take it out, clean the sensors inside good, but be very gentle! Make sure its all clean. ---
**Author:** ![1991s13](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/1991s13/32/5794_2.png) [@1991s13](https://forums.speedlife.net/u/1991s13)\ **Post date:** [July 18, 2010, 2:19pm UTC](https://forums.speedlife.net/t/car-wont-rev-past-2500rpm/157989/3 "2010-07-18T14:19:10Z")
it was working fine with the stock intake on it but as soon as i switched it to the new AEM one that happened… thanks for the advice i will try that! ---
**Author:** ![DJPyro](https://avatars.discourse-cdn.com/v4/letter/d/278dde/32.png) [@DJPyro](https://forums.speedlife.net/u/DJPyro)\ **Post date:** [July 18, 2010, 2:20pm UTC](https://forums.speedlife.net/t/car-wont-rev-past-2500rpm/157989/4 "2010-07-18T14:20:54Z")
Make sure the connector is plugged in all the way, and you should be able to clean the sensor itself with brake clean. Either that or you damaged it when you put it in the new intake.