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Engine Tech Technical discussion related to all relevant engines such as KA, SR, RB, CA, 2JZ , L24/26/28, VG, VQ, and LSx series.


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Old 04-15-2010, 02:18 AM   #1
mm_ibrahim412
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F***ing KA is Gay

OK, here is the deal, again!

Changed battery (under warranty, went bad anyway), new fuel injectors, new spark plugs, new spark plug wires, new starter, wired a straight power 4 gauge wire directly from battery to starter, grounded starter to body directly,all fuses are good, all other grounds are good, full tank of gas, ignition is good...i thought it was all good after these minor setbacks, but im still confused.

Here are the symptoms:

1. Sometimes starts, sometimes doesn't (sometimes cranks or clicks, depending on its mood)

2. Motor's RPM will "bounce" while at a stop or after I turn it on

3. Car will turn off randomly (unless i drive my automatic like a stick shift and do it all manually)

4. Now it just does not want to start

5. I am tired of this

6. I need to sell my 240sx coupe shell and this motor/trans/ecu/wiring harness combo so I can get my LS1 in here

7. Please Help

8. When will I stop being a "leaky injector", I feel thats insulting

...anyway, any help would be much appreciated. thanks guys
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Old 04-15-2010, 02:22 AM   #2
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check, maybe a bad ecu check for shorts anywhere in your wiring. theres a bunch of possibilities. it just takes time to go through everything....



oh and to 8, i think its when you reach 150 post counts it will change. not sure
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Old 04-15-2010, 02:25 AM   #3
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thank you, ill look into it tomorrow...anyone else?
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Old 04-15-2010, 03:17 AM   #4
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change the ECU, check if all your wires/sensors/grounds are hooked up.
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Old 04-15-2010, 04:48 AM   #5
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Do you have pictures of your coupe shell?
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Old 04-15-2010, 09:29 AM   #6
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Quote:
Originally Posted by mm_ibrahim412 View Post

6. I need to sell my 240sx coupe shell and this motor/trans/ecu/wiring harness combo so I can get my LS1 in here

yup...just what you need...an illegal motor swap in L.A. ...


you need to check your wiring first obviously... especially if ur blowing a fuse with stock harness...thats ur first step...
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Old 04-15-2010, 10:56 AM   #7
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Quote:
Originally Posted by doomviillain View Post
change the ECU, check if all your wires/sensors/grounds are hooked up.
Going to check all that now, thank you
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Old 04-15-2010, 10:56 AM   #8
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Do you have pictures of your coupe shell?
will get you pics, and I will PM you, I dont want this to be a FS thread...but I will be in contact with you
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Old 04-15-2010, 10:57 AM   #9
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Quote:
Originally Posted by DALAZ_68 View Post
yup...just what you need...an illegal motor swap in L.A. ...


you need to check your wiring first obviously... especially if ur blowing a fuse with stock harness...thats ur first step...
"Rules are made to be broken"...and yea, I'm gonna check it all now and post back soon, thank you
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Old 04-15-2010, 10:59 AM   #10
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maybe a bad ecu..
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Old 04-15-2010, 05:02 PM   #11
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Quote:
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yup...just what you need...an illegal motor swap in L.A. ...
LS1's can be legal, duder.
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Old 04-15-2010, 05:05 PM   #12
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STFU you Texan...lol

yeah its a US motor, but not legal if its cross over...bah you know wher im going with this...lol

im not gonna let you make me type a book...lol
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Old 04-15-2010, 05:13 PM   #13
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Actually as long as its(LS1 in this case) out of a rear wheel drive setup car that was sold in the U.S. anytime after our cars were made it can be made legal. If you do certain things that is. Which a lot of people manage to skip over.

The devil is in the willingness to spend the money and face the referee to get it approved. It can be done though.

though as far as a KA being ...... Its an inanimate object with no sexual orientation whatsoever.
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Old 04-15-2010, 05:16 PM   #14
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Quote:
Originally Posted by drift freaq View Post
Actually as long as its(LS1 in this case) out of a rear wheel drive setup car that was sold in the U.S. anytime after our cars were made it can be made legal. If you do certain things that is. Which a lot of people manage to skip over.

The devil is in the willingness to spend the money and face the referee to get it approved. It can be done though.

though as far as a KA being ...... Its an inanimate object with no sexual orientation whatsoever.

like i said...im not gonna type up a book, but yes...that was part of it...
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Old 04-15-2010, 06:02 PM   #15
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Quote:
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STFU you Texan...lol

yeah its a US motor, but not legal if its cross over...bah you know wher im going with this...lol

im not gonna let you make me type a book...lol
Quiet, pickle sniffer.
The only way an LSx swap could NOT be made legal would be if the motor came from a truck/suv, e.g. LQ, LM, L33, etc.

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Old 04-15-2010, 09:27 PM   #16
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well this turned out to be a fun thread
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Old 04-15-2010, 09:35 PM   #17
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check the distributor? ignitor and coil to be more exact?
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Old 04-15-2010, 10:01 PM   #18
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Oh yeah, clean your IACV. Miiiiiiiiiiiiiiiiiiiiiight help at least one of your issues.
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Old 04-15-2010, 10:42 PM   #19
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dieing at idle...

Check for a intake leak after the maf. My freinds auto did the EXACT same thing. It was the bottom hose on the intake was off.
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