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View Full Version : KADE-T Stalling problem help!!!!

redline240sx
11-12-2009, 12:29 PM
Ok, i have a 1991 240sx Ka-t. I am trying to figure out why my car is stalling when comming to a sudden stop. Whenever I am in high speed or car is reving high it stalls out when I slow the car down to a stop..
whats causing this?

The car doesnt stall when i am driving on low RPMs or when i am driving in a slow speed. Sometimes when i noe the car is going to stall out when i slow down i give it gass to save it..

Im thinking IACV? TPS?

Any advice will be appreciated!!!!
jdm213
11-13-2009, 01:07 AM
it could be that or you may have a boost leak, inspect that and make sure the MAF is good to, there could be more reasons , but inspect those things first.
hotlavaflow
11-13-2009, 01:58 AM
Mine did that just before it blew:bite:

nah I'm j/k but check your timing. What's your setup? Your mix could be a little too lean I've had that happen to me. I fixed mine with timing adjustment and S-AFC2.
fcdrifter20
11-13-2009, 11:02 AM
check ur timing. and r u running a bov. maybe its leaking. try dicontecting it and caping off the vaccum to it and see wut happens
redline240sx
11-13-2009, 01:00 PM
my MAF is good, been checked already..
my setup is

550cc
SAFC2
Enthalpy Tuned ECU
Stock timing, havent mingle with timing since turboed
Dont think i have a boost leak, check for that a while ago, but it wont hurt to double check.

I will try disconnecting the bov and caping the vacuum line.

Any more suggestions?
M11's
11-13-2009, 01:06 PM
you running with emmisions stuff on IM, iacv. probably vac/boost leaks.
swayray
11-13-2009, 01:22 PM
your fuel might also be running too rich, have you tried leaning it out abit or is it already tuned specifically for your setup?
chetacheese
11-13-2009, 01:27 PM
you have an af meter or wideband right?
rc1honda
11-13-2009, 02:03 PM
Recirulate your BOV. The SAFC is measuring air that is not there anymore. When you come off boost and it blows the air through the BOV it causes a rich condtion quickly and stalls the engine. You can tune this out throught the SAFC on the decel air menu but i don;t know how.
hotlavaflow
11-13-2009, 06:18 PM
Why did I get in my S13 and have the same problem today? sigh I'll let you know when I fix it.
redline240sx
11-14-2009, 01:04 PM
well i have a tuned ecu with my setup, and i can run my tune ecu without my safc2 and it will run fine, so i dont think adjusting the safc will have anything to do with it.

And yes my wideband read 14_on idle which is pretty good.

I have took all the emission stuff off and block the EGR with a block off plate