<![CDATA[Nissan/240sx Ka24de help please!]]>Alright, this damn car is driving me to the edge of a drinking binder ( joke joke)

But, here's how it all went down. Last summer/early fall I was driving my coupe back from my parents, about half way back home it dropped what I thought was a spark plug, the next day I replaced all the plugs and it was still not firing. After a full spark test I found out it was the injector, so back to the parts store and back with a new injector. New injector installed, it dropped another one. So I replaced them all and new o-rings, and it ran and drove. After sitting a week I went back to drive the car and it wouldn't start. This time it was flooding out, to the point of spraying gas out of the valve cover breather. It sat all winter I decided to try and get it running again. I replaced the injectors with 4 from a Legacy and the o-rings again(one was cracked) also tried the ECU out of my hatch (thinkin a possible short???) Ran and drove again. I parked and went to drive it to the gas station, and once again the same flooding BS.

Any idea why this would be happening? Any help is much appreciated.

]]>https://fargostreet.com/topic/20223/nissan-240sx-ka24de-help-pleaseRSS for NodeWed, 27 May 2026 23:32:59 GMTMon, 04 Apr 2011 04:46:32 GMT60<![CDATA[Reply to Nissan/240sx Ka24de help please! on Thu, 14 Apr 2011 11:03:42 GMT]]>Same thing happened with my teg, wasnt firing due to a faulty harness... and or sensor was out..

]]>https://fargostreet.com/post/309244https://fargostreet.com/post/309244Thu, 14 Apr 2011 11:03:42 GMT<![CDATA[Reply to Nissan/240sx Ka24de help please! on Tue, 12 Apr 2011 20:36:57 GMT]]>

no_slow_clap;320605 wrote:
I have a KA im about to sell, just buy a new engine.

Is it still a strong running motor? PM me a price if you still wanna sell it.

The ohm meter was consistent over all 4 injectors. I checked the harness over, and everything looked good still, as for the injector o-rings I am using a white Lithium grease we have at work, to put them in the rail. Should I maybe try something different? I got the temp sensor ordered also, so hopefully I can get it running by the weekend.

]]>https://fargostreet.com/post/309042https://fargostreet.com/post/309042Tue, 12 Apr 2011 20:36:57 GMT<![CDATA[Reply to Nissan/240sx Ka24de help please! on Wed, 06 Apr 2011 17:02:40 GMT]]>+1 to checking over your harness thoroughly...I had the exact same problem (except it only happened after I washed the car), I think mine was caused by water leaking into my passenger kick. When I pulled my ecu out, I found a bunch of corrosion on the circuit board of the ecu.

]]>https://fargostreet.com/post/308893https://fargostreet.com/post/308893Wed, 06 Apr 2011 17:02:40 GMT<![CDATA[Reply to Nissan/240sx Ka24de help please! on Wed, 06 Apr 2011 06:14:39 GMT]]>

KA-T_240;320613 wrote:
The stock injectors are side feed injectors, a damaged lower o-ring could cause fuel to leak into the cylinder with the way the stock fuel rails are designed on the KA24DE 240 motors.

fuel rail pressure is able to leak through an oring into the cylinder? that boggles my mind.

]]>https://fargostreet.com/post/308882https://fargostreet.com/post/308882Wed, 06 Apr 2011 06:14:39 GMT<![CDATA[Reply to Nissan/240sx Ka24de help please! on Wed, 06 Apr 2011 02:34:44 GMT]]>

24valvenotak;320607 wrote:
i dont see how this would cause it to over fuel.

can you lift the rail and injectors out and see if one of them is stuck open and pouring gas? if it is switch it with another injector to see if the injector is in fact stuck open or if the wiring is f*d up.

had a grand am doing this and it turned out a broken wire in the injector harness was causing one injector to hang open.

The stock injectors are side feed injectors, a damaged lower o-ring could cause fuel to leak into the cylinder with the way the stock fuel rails are designed on the KA24DE 240 motors.

]]>https://fargostreet.com/post/308862https://fargostreet.com/post/308862Wed, 06 Apr 2011 02:34:44 GMT<![CDATA[Reply to Nissan/240sx Ka24de help please! on Wed, 06 Apr 2011 02:06:22 GMT]]>Id check your harness over REAL GOOD. Sounds like you have a critter problem to me. Also, check your coolant temp sensor. Ive seen them cause all sorts of issues including what you are experiencing. And yes, it will cause a no start/flooding issue too.

]]>https://fargostreet.com/post/308861https://fargostreet.com/post/308861Wed, 06 Apr 2011 02:06:22 GMT<![CDATA[Reply to Nissan/240sx Ka24de help please! on Wed, 06 Apr 2011 00:58:41 GMT]]>

KA-T_240;320561 wrote:
What are you using to lube your injector o-rings? It is very easy to damage the o-rings on the dohc ka motors when installing injectors.

Also, have you ever replaced the large rubber seal/o-ring under the injectors that seals them to the intake manifold?

i dont see how this would cause it to over fuel.

can you lift the rail and injectors out and see if one of them is stuck open and pouring gas? if it is switch it with another injector to see if the injector is in fact stuck open or if the wiring is f*d up.

had a grand am doing this and it turned out a broken wire in the injector harness was causing one injector to hang open.

]]>https://fargostreet.com/post/308856https://fargostreet.com/post/308856Wed, 06 Apr 2011 00:58:41 GMT<![CDATA[Reply to Nissan/240sx Ka24de help please! on Wed, 06 Apr 2011 00:09:26 GMT]]>I have a KA im about to sell, just buy a new engine.

]]>https://fargostreet.com/post/308854https://fargostreet.com/post/308854Wed, 06 Apr 2011 00:09:26 GMT<![CDATA[Reply to Nissan/240sx Ka24de help please! on Mon, 04 Apr 2011 05:23:35 GMT]]>What are you using to lube your injector o-rings? It is very easy to damage the o-rings on the dohc ka motors when installing injectors.

Take an ohm meter across each injector and measure the resistance, and see if they are all similar.

Also, have you ever replaced the large rubber seal/o-ring under the injectors that seals them to the intake manifold?

]]>https://fargostreet.com/post/308810https://fargostreet.com/post/308810Mon, 04 Apr 2011 05:23:35 GMT