Ka24de dies when throttle applied

[Night drifte89]

I have a 93 dual cam that I just put used injectors in and it starts and runs, but when I give it gas it will die, video shows. Basically are the injectors junk or what's my problem?

https://vimeo.com/105266132

Any and all help is appreciated, thanks


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[wurley]

Why did you install the new injectors? and have you tried any diagnostics on your own?

First place i would start is unplugging the maf and trying to run it. See if there are any changes. of course it will cut at 2.5k, but see how it revs up to there.

[Night drifte89]

It had a Ka-t in it and he left the sr injectors in the car, so I needed to get stock ones, and I did get a new maf and wired it in, I will try to unplug it in a few mins and report back


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[Night drifte89]

https://vimeo.com/105272199
No maf.


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[Ilya]

what is your engine management? aka ECU?

[Dima1127]

what is your engine management? aka ECU?

^ like he said, ecu could be tune for a turbo, barrow a stock ecu from a friend or something and try it. usually if the ecu is shop tuned it will say so with a sharpie on the ecu it self

[Night drifte89]

I will look, I think it is stock, but I don't have any friends with a 240 #loner I'll have to buy one and rule that


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[Dima1127]

I will look, I think it is stock, but I don't have any friends with a 240 #loner I'll have to buy one and rule that


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take the cover on and look for anything that seems like it shouldn't be there, use Google for references

[Night drifte89]

Alright I will thanks


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[Dima1127]

post a picture on here

[Night drifte89]

75481

75483

75484
Found this too


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[Dima1127]

get thise connections cleaned just in case, and what number is the ecu? it will be like E5 or 62 something along those lines.

EDIT: i dont see anything out of the ordinary, but maybe someone els will?

[Night drifte89]

28


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[Night drifte89]

get thise connections cleaned just in case, and what number is the ecu? it will be like E5 or 62 something along those lines.

EDIT: i dont see anything out of the ordinary, but maybe someone els will?


It has 28 on it I think.


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[Dima1127]

You think? Take a picture of the cover


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[Night drifte89]

I was eating and I thought I remembered a 28 on it that's why I said I think, it is a 28


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[Night drifte89]

You think? Take a picture of the cover


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I was eating and I thought I remembered a 28 on it that's why I said I think, it is a 28


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[Dima1127]

Sorry man I'm in class right now, so can't really look into it, but I will later on today if I remember


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[Night drifte89]

Sorry man I'm in class right now, so can't really look into it, but I will later on today if I remember


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Any luck?


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[Dima1127]

I just got done with class man.
Try ka-t.org


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[Bleakley]

Basics man. You need compression, air, fuel, and spark... Easiest are compression and spark. On an N/A you pretty much just assume you get air... So, with that...
Compression test engine. And either lay a wire on the head for spark. Or pull a plug and wire and look at it while cranking. Do this for each cylinder to verify spark.

As far as compression testing: warm up engine to ~120, pull all plugs, pull fuel pump fuse, and crank while throttle plate wide open.

Report back after these findings.

[badass8]

Were the "used" injectors flow tested? How did the seals looks on them? Seems as if the only real problem could be the injectors IF it was running fine before that.

[Night drifte89]

Compression was 150 across, all have spark, #4 is Alil dimer than the rest. And they were not flow testes


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[Dima1127]

Make sure your getting fuel,


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[Vegass13]

other guy solved his similar issue with a new fuel pump

[Night drifte89]

Fuel pump on the way


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[Night drifte89]

Got a new fuel pump and the same issue. Dies when you push in the throttle. So idk. Once and awhile the check engine light turns on and then off right away. Kinda weird. And now my battery is probably shot so I'm going to buy a new one to rule that out too.


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[Night drifte89]

https://vimeo.com/107283434
Current problem


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[Night drifte89]

Bump, anyone?:/


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[Ilya]

Fuel pressure?

http://m.harborfreight.com/fuel-injection-pump-tester-92699.html

[Ilya]

The code should be stored in the ecu as well. Get it for us

[Night drifte89]

Code 55 so no errors. And I'll have to wait a few weeks befor I can swing it to buy the tester


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[derekbartlett]

bringing back old post. but i'm having the same problem. idles perfect but dies when given gas. anybody know what could be wrong?


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[kyral]

bringing back old post. but i'm having the same problem. idles perfect but dies when given ga anybody know what could be wrong?


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hey Derek. try unplugging your maf sensor. the car should die out. I had a similar issue car would fire up and idle perfectly then you give it gas and mine would stutter and almost die and run like ass under throttle (no power and the car would get super fucking loud). ended up being my ecu. this really sounds like a fueling issue, and both the ecu and maf sensor affect or controlfueling

[derekbartlett]

hey Derek. try unplugging your maf sensor. the car should die out. I had a similar issue car would fire up and idle perfectly then you give it gas and mine would stutter and almost die and run like ass under throttle (no power and the car would get super fucking loud). ended up being my ecu. this really sounds like a fueling issue, and both the ecu and maf sensor affect or controlfueling



when the car is idling and i pull the maf sensor it tries to die so i know that it works and it's not the maf. i have a feeling that the butterfly valve in the intake is staying closed and when i give it gas it doesn't open so it dies because it's running too rich. not sure. could it be timing?


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[kyral]

check the throttle body by popping the hood and physically turning it by hand

[drb5721]

Have you checked for intake leaks? All couplers, gaskets, etc. Brake ckean everywhere air could get in. If it has a wideband, what do the afrs look like at idle and when you give it throttle.

[derekbartlett]

even when opening throttle by hand it dies. i don't have a wideband so i'm not sure how the afr is.


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[kyral]

even when opening throttle by hand it dies. i don't have a wideband so i'm not sure how the afr is.


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my bad I thought you were talking about the Throttle body butterfly valve. yeah I could see the intake runner butterfly valves causing this sort of issue if they are stuck mostly closed

[derekbartlett]

that's what i'm thinking. i'm going to hold them open by hand then try.


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[Lpn26]

I was having the same issue with my 240 I figure out that my timing was off.

[derekbartlett]

I was having the same issue with my 240 I figure out that my timing was off.



engine timing or ignition timing?


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[Lpn26]

Engine sorry

[derekbartlett]

Engine sorry


i had a feeling that it could be engine timing. how should i reset engine timing


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[Lpn26]

The only way I no to get the timing right is with the timing gun. You can try to mess with the distributer when the car is on

[derekbartlett]

The only way I no to get the timing right is with the timing gun. You can try to mess with the distributer when the car is on



that's ignition timing


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[lunchmeat]

Rotate the engine to tdc, make sure the distributor rotor points to plug 1. Also might want to check the marks on the timing chain.

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[derekbartlett]

Rotate the engine to tdc, make sure the distributor rotor points to plug 1. Also might want to check the marks on the timing chain.

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once again that's how to set ignition timing. i need to fix valve timing.


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[lunchmeat]

Then pull the valve and timing covers and check the timing marks.

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[derekbartlett]

Then pull the valve and timing covers and check the timing marks.

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the timing is perfect


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[derekbartlett]

the timing is perfect


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still confused. not sure why this happens


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