Question about 1989 Nissan 240SX

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Rev limiter how do i remove the rev limiter on a 1989 240sx?im turning it into a circle track car and i would like to get rid of the rev limiter if possible.

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Cant its programed in the ecu need to reflash it when u get it tuned

Posted on Sep 09, 2009

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96 3.1 rev limiter at 2900 -3000rpm. Went through vaccume sys. Comp.coil assy.egr. tps.cam and crank sensors test good. Correct fuel pressure running and not. Maf is responsive, anything im missing?


The rev limiter is built into the PCM. If the vehicle will not get past the RPMS you have indicated and all sensors test good, check for a plugged exhaust system. The catalytic converter could be restricted/plugged. You can remove the front 02 sensor ( which will allow the exhaust to breath somewhat better ) and see if the vehicle will come up in RPM. IF it does, suspect a plugged exhaust.

Jan 19, 2016 | Cars & Trucks

1 Answer

Remove rev limiter


To remove the rev limiter, you must have your engine control computer reprogrammed, so that means that you will have to take it to the dealer and have their techs reprogram it to your specs.

Dec 06, 2013 | Cars & Trucks

1 Answer

Remove rev limiter


Search online for HHO (a do it yourself hydrogen burning accessory for vehicles) On some websites they claim that most of these HHO don't save fuel because of the computer overriding it. They sell tuners of some sort where you can fool the computer that all is working fine but tweak whatever you want to.

Oct 20, 2013 | Toyota Cars & Trucks

1 Answer

How to remove the rev limiter in a 1998 jeep cherokee sport


No engine option stated, nor country. XJ hacking topic.
the ECU does have that. there are 2 on all newer cars.
1 normal limit (higher)
2: limphome limit. (lower)

both are hard coded in the PCM , firmware.
so your question really is who to program your PCM.
and that has infininty anwsers, Google it.
there are 2.
a: a PCM hacking tool. (find it)
b: or custom ECU. (I have a car with it ,. made by me)


im not expert on hacking tools, but there are many, and changes every day , from now forward.
i do have my 08 hacked, but not for rev. id never over-rive my stock engine, that be crazy. why do you wont to over-rev./
if serious why not join a real forum on your car and post this there
or better search there.

here is my first google hit.
programming.......................
http://www.jeepstrokers.com/forum/viewtopic.php?f=21&t=3637

Aug 10, 2013 | 1998 Jeep Cherokee

2 Answers

What is the governor set at


Your ECU is set at factory fir 5500-5800 RPMs

Jan 30, 2011 | 1994 Subaru SVX

1 Answer

Rev limiter


You'd probably have to get a reprogrammed or chipped engine computer. Removing the rev limiter though is a sure fire way to destroy your engine. Even Ferraris and Porches have rev limiters.

Jun 01, 2009 | 1992 Saturn SL2

1 Answer

The seat belt gets stuck and makes a loud and distracting noise


The system can be operated manually by removing round cover cap on the B pillar (Just behind door). manually turn crank knob on top of motor.

There is a limit switch on the A pillar to turn off the motor for forward movement. There is a limit switch on the B pillar to shut off the motor for rearward movement.

You may need a B pillar limit switch if the belt is going all the way back but not shutting off. Unfortunately the rear limit switch is serviced with the track & motor assembly. Get a used one at car-part.com. Page with * is cheapest part.


You need to remove A pillar trim, B pillar lower trim, B pillar upper trim, and front door opening upper trim.

disconnect front limit switch
disconnect rear limit switch
disconnect motor electrical connector
remove 3 motor bolts
remove 2 limit switch bracket bolts
remove screw at A pillar near limit switch
remove 3 screws at track assy to roof.
pull back carpet & remove 4 screws at floor where you step into car.
remove track & motor assy.

Apr 10, 2009 | 1993 Mercury Villager

1 Answer

How do you remove the rev limiter on a 1989 240sx


I am pretty sure it is built into the ECM. You will need to purchase an aftermarket ECM. It will probably work out better for you in the long run.

Jan 10, 2009 | 1989 Nissan 240SX

1 Answer

Rev limiter issues


yes there are companies that sell chips for computer to change the rev limit,trans shist points, top speed govenor.

Jul 27, 2008 | 1996 Pontiac Grand Am

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