PLEASE HELP KA24DE idles fine but dies when given any gas

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DriftLife240
Posts: 15
Joined: Fri Jan 11, 2013 5:59 pm
Car: 92 s13

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Ok so heres the story i picked up a bone stock 92 convertible and yes all of you would shoot me if you know what i got it for. Anyways to get to the point i got it running after a couple days and it starts and idles fine(til it overheats needs a new water pump not the problem though) the second i even touch the gas though it wants to shut right off cant rev it period it will just die. no clue whats going on i thought it was the MAF so i cleaned it started the car unplugged the MAF while running and it dies instantly and it barely starts if its unplugged so its not the MAF i dont think at least.
so at this point im completely stumped and dont want to go blowing money everywhere does anyone have any idea what this could be?

and yes i did search n either i get results where people can at least rev a little bit or the thread eventually died and there was never an answer or solution.


DriftLife240
Posts: 15
Joined: Fri Jan 11, 2013 5:59 pm
Car: 92 s13

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Well since no one replied and my idiotic genius self figured out what happened it was my distributor timing.
But since this topic comes up often and ive never seen a definitive answer ill actually post the possibilities of what it could be and what i understand to be the causes of this along with not being able to rev past a certain point

First off check your distributor timing- easy to mess up free to check
if moving your distributor while the car is running does nothing then the whole distributor is most likely bad and you got a quick easy answer
Second check your MAF(Mass Airflow Sensor)- common problem will cause a rough idle keep your car from starting or limit how high your car can rev.
to check this unplug your maf while the car is running if theres no change then its bad if it dies or goes crazy on you then its working.
Third check you TPS (Throttle Positioning Sensor)- another common problem and can cause your car to idle rough and stop it from revving properly
to check unplug and see if anything changes again if nothing changes then its bad
Fourth check your IACV(Inline Air Control Valve)- causes a rough idle. easiest way to check this is to mess with the idle adjusment screw and see if that does anything at all if not then its gone bad
Last check the temperature sensor that goes to the ecu and this is really only if your car wont start at all but have heard of it messing with engine performance as well. honestly if you suspect this is bad just buy another one they're under $20

Hopefully this will help guide someone in the right direction to fix their car and save some money. these are the only problems that could cause a motor to idle rough not start or not rev if its somthing else then you have much bigger problems haha

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pepesilvia
Posts: 584
Joined: Tue Feb 21, 2012 8:15 pm
Car: 96 S14
Location: New Jersey :(

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how very self sufficient! I wish more people could figure it out themselves (myself included). thanks for the mini-guide too :gapteeth:

DriftLife240
Posts: 15
Joined: Fri Jan 11, 2013 5:59 pm
Car: 92 s13

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your very welcome hopefully itll help someone great news is i got the car i had the issues with for free and just sold it made someone very happy an almost mint vert for a grand

kidslice
Posts: 11
Joined: Sun Jul 28, 2013 4:34 pm
Car: RB25 powered S13

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yuuuuuuuuuuuuup! Had the same problem with my second 240.Just would lose power and make ya look like u had no idea what the difference was between the brake gas and clutch pedal LMAO! But it was the distributor.Easy fix and a lot better than serious internal probs! I'd def say to anyone with a prob like that to check all the stuff u checked includind the dist. The dist was the last thing I checked HA!

DriftLife240
Posts: 15
Joined: Fri Jan 11, 2013 5:59 pm
Car: 92 s13

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same with me last thing and thats what it was now my ca wants to idle low so im checking my cas always timing lol


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