240rabbit

Okay so i got 89 240sx, ive swapped the old kA24e for an s13 blacktop SR20.
I got an fmic and thats pretty much it for it.
So i got it to crank n everything but it wont turn on???
Everytime im done cranking it smells like gas.
Whats this mean??? No spark??? New spark plugs???
Plz help guys

D.Adams

see if the ignitor chip is getting power or if its good

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DriftVader

orrr check to make sure ur injectors r good. make sure their not clogged.

Sileighty_85

YOU need to physically check for Fuel and spark.

Also check the ECU for codes

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後輪駆動車１番
1989 Built SR GT2871R -363whp
1998 S14 W/RB25- 250ish (For Now)
1986 SR86 - 200ish
1990 R32 GTR - 320hp
Don't Buy Engines from JDM-Online http://zilvia.net/f/businesses/207457-jdm-online.html
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240rabbit

How can physically check the spark doe??? N idk how to check for codes :/

240rabbit

N i think the injectors r good cuz wen i took off one spark plug, it smelled like gas in da chamber

s13coupe1988

Im around your area i can help you out

240rabbit

Yea man but i gots no money right now, so i cant pay anybody right,
i just wanna know wassup with the car so i kno wut to buy next

thrasher324

hey im in the same situation with you. if your cranking and its not starting your flooding the cylinder with fuel. i smell gas too when i crank. check for spark. mine was obviously not sparking so i changed it to a new set and it started but it bogged then died cuz my cylinder was flooded with fuel. so take out your spark plugs and check if they spark. if they do just leave out the spark plug and let the fuel evaporate out of the cylinder over night

240rabbit

replacement spark plugs would be off a sentra right??? just to make sure lol

240rabbit

okay so to check for the spark just put em on the over coil but not inside the block??
(spark plug with overcoil being outside???)

s13coupe1988

spark plugs.....NGK Iridium BKR6EIX Gapped to .036” for stock performance.

240rabbit

do dey come pregapped???

kushlivin

^^most plugs are pre-gapped, gap to spec is up to you

__________________

Homer_Simpson

Any codes like he asked?

Wild shot but pop the lid of your ECU and see if the circuit in the red rectangle is all burnt out like in this picture.

Sileighty_85

No they dont.

.36 is incorrect. .28 is the correct Gap.

You might have a leaky injector. pully off fuel rail with fuel lines attached
place on top of a paper bag and turn the Key to "ON" NOT START, so the fuel pump turns on. If fuel comes out then the O-rings need to be replace.

__________________
後輪駆動車１番
1989 Built SR GT2871R -363whp
1998 S14 W/RB25- 250ish (For Now)
1986 SR86 - 200ish
1990 R32 GTR - 320hp
Don't Buy Engines from JDM-Online http://zilvia.net/f/businesses/207457-jdm-online.html
Don't Buy XS-Power or SSAC Shit

240rabbit

Well okay wen i use to crank it the smell from gas wouldnt be on the intake side, but it would be on the exhaust side.
I dont have no downpipe connected at da momment but the turbo elbow with the O2 sensor is connected.
And i already took out the spark plugs n im waiting to get sum cash maybe 2moro so i can buy sum spark plugs

240rabbit

So i got the new spark plugs in n i went to get my battery charged n i thought it was cuz it was low charged that my engine cranked slow but it still
does.
Bad grounding??? What could be the reason???

singlecamslam

Reading your posts gives me a headache, did you actually check for spark or not? Get a spark plug hook it up to the ignitor, put it againts the head, and crank it.

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sirfallsalot243

Yup, just to elaborate on this a little bit: You wanna put the spark plug in the boot, and touch the spark plug end to something metal, making sure to hold the assembly on the RUBBER. While touching the plug to something metal, have a friend turn the engine over. You should see a nice, thick blue spark. A white spark is not sufficient, it should be blue. Sometimes it can be hard to tell the difference if its very sunny. A white spark is a weak spark, but shouldn't prevent the engine from starting. We're looking to rule out NO spark as a symptom.

Also... we'd REALLY appreciated it if you took a little more time to reread your posts. It just makes it 10x easier to understand what youre saying. Proper english may be overrated in texts, but here on the forums, we love it.

240rabbit

Yea okay thanks and will do.
i ran into another problem though, my starter gave up already on me, just clicks.
Can i still conduct the spark test knowing it wont crank over???
Or is cranking neccesary to see spark???

renegade_ewok

You sure your battery just isnt dead?

To test for spark, you can take the CAS out and rotate it manually and check the spark to see if it fires. Either stick an insulated screwdriver in the coil and watch for an arc or see if it arcs with the plug in there.

240rabbit

I just took my battery yesterday to get charged so i highly doubt it that it is the battery.

Im a newb so bare with me lol
So i take off the CAS and manually turn it. How do i turn it manually though???

renegade_ewok

It spins - take it out and spin the end piece that attaches the exhaust side cam sprocket while the key is in the ignition. It simulates the motor turning and therefor the injectors/spark plugs start firing.

You can test injectors/spark plugs this way. You'll see the rotational end. It takes like 0 effort to turn it...

240rabbit

Will do and thanks

renegade_ewok

Get the motor to TDC first though. Makes retiming easy.

240rabbit

Ooo so if i do this its gonna take it out of timming???
Or it needs to be TDC in order for me to this with the CAS???

renegade_ewok

Nah, you put it at TDC so you can take it out, play with it, and then just put the CAS back on the timing mark, drop it in, and start it back up.

240rabbit

Wow the CAS is so hard to take out!!!

240rabbit

So i took it out and manually spinned it and i dont see any spark what so ever but i do hear clicks, im not sure if they exactly are comming from the injectors but it sounds like it does???