Question about 1998 Nissan 240SX

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Nissan 240sx shakes and wont go past 3000 rpms

This car shakes a lot at idle and wont go past 3000 rpms. The fuel pressure gauge says it only has 20psi but Im not sure if the fuel pump is the culprit in this dilema. Any advice is helpful.

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The trannys quivering some transmission problem

Posted on Feb 07, 2009

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I have a 1990 nissan 240sx. It sat for 10 years. 36000 miles on it. I have replaced fuel pump n filter, full tune up, ECM, all injectors and starter. It does start but will idle high but will not stay...


if you have changed the ECM it is possible that you will have to reset/reprogram the ecm to the sensors of the vehicle. Find a nissan shop that has the ability to reprogram the ecm and reset it.

Dec 27, 2014 | Cars & Trucks

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Ka24de bogs at 3000 rpms and wont go any higher


why did you change mass air flow sensor ? do you have coil packs, any codes stored in ECM ? something is telling it to go full lean ! ? another sensor, OXYGEN SENSOR, MAP SENSOR ? aftermarket MAF sensors are garbage, you might need a stock , OEM , MAF !!!!!!!!! I would , my 87 buick gn boged when I replaced my MAF , I got a new OEM , STOCK , MAF, exact replacement, it ran wonderful !!!! again !

Feb 10, 2013 | 1991 Nissan 240SX

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Why does my 1995 240sx bog and sputter


bad maf? happens once in a while especially with this 15 year old car. buy some maf cleaner for ^ bucks and spray the maf off the car. dont use anything to dry it just the spray. do what the previous poster suggested and id change the o@ sensor since its obviously a bad fuel to air ratio.

Jul 22, 2012 | 1995 Nissan 240SX

1 Answer

92 nissan 240sx wont run after 2500- 3000 rpms changed cap and rotor new wires w/ plugs starts right after dies timing is also good


a weak coil could cause that problem
could also be an issue with the ECM / PCM
low fuel pressure caused by a weak fuel pump, clogged filter or dirty injector(s)

if you haven't tried this already then you should. get some QUALITY fuel system cleaner / injector cleaner, and follow the directions.

hope this helps.

May 24, 2011 | Nissan 240SX Cars & Trucks

1 Answer

Idle is very rough. drives but doesnt make power. wont pull past 3000 rpms


are all the cylinders firing.
is the fuel filter blocked.
is the air filter blocked.
is there black smoke coming out the exhaust.

Mar 22, 2011 | BMW 6 Series Cars & Trucks

1 Answer

240 wont go over 2000 rpms starts to **** then blk smoke


I'm thinking MAP(Manifold absolute pressure sensor) but a reliable mechanic should be able to scan your ECU and find out for sure.Good Luck.

Apr 24, 2010 | 1989 Nissan 240SX

1 Answer

Nissan 240Sx 1993 idles fast when at a stop sign.


Sounds like a transmission problem. Possible torque converter clutch issue,means replace the transmission.

Jul 13, 2009 | 1992 Nissan 240SX Fastback

1 Answer

05 nissan pathfinder lack of power,catalytic low flow bank 2


Have you checked fuel pressure at idle and 3k TO 4K RPMS? I once took a crown vic to a local dealer, wanted $1500 for new cats. I did a fuel pressure test, 15 lbs at idle, 0-5 at 3K RPMS and went to 0 lbs. when punched accelerator. Was a $6 fuel filter.

Apr 29, 2009 | 2005 Nissan Pathfinder

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