Random stalling

Blindedlegacy · 04-04-2012, 02:39 AM

Quote:

Originally Posted by cre

Hacked harnesses are always a blast.

The AFM does affect the fuel pump. That's the FC switch that I said must also be tested.

(FC = Fuel Cutoff)

You finally explain what that means. So im testing afm fc and isc tomorrow

cre · 04-04-2012, 03:03 AM

Look at the wiring diagram and it may be obvious.

Test the Vs signal as I've detailed too. Don't go discounting anything because you don't think they fit the bill.... Your gut feeling has yet to provide any reason for me to have faith in it.

Blindedlegacy · 04-04-2012, 03:19 PM

Quote:

Originally Posted by cre

Look at the wiring diagram and it may be obvious.

Test the Vs signal as I've detailed too. Don't go discounting anything because you don't think they fit the bill.... Your gut feeling has yet to provide any reason for me to have faith in it.

ill try to test it today but i have limited time. the main this that seems to be is this crazy volt drop. i still suspect the ecu because before mentioned, jump a car later that day my temp gauge stopped working. got a new sensor did the same thing. notice that my oil pressure gauge jolts a bit but its not plugged in. both of those things are from the computer. alternator is also controlled by the computer. along with all the information that is sent to it and its outputs. when that car shuts off there is no affect to my radio what so ever. and as its dying to the best of my knowledge my lights arent dimming. so its has to be something in the ecu or its wiring because when the car is off im not getting heart stopping voltage drops. i know everyone says that ecu is a last resort but this is not normal.(btw you never get answer my question about the ecu, which one can i put in my car) but im going to test those things like you said after running the car

Blindedlegacy · 04-04-2012, 03:49 PM

and as of this morning cygnus is down

Blindedlegacy · 04-04-2012, 06:07 PM

Tested the afm and bench tested all it spec along with the isc. Couldnt do fc because I ran out of time. But I found a lead. Ignition switch black and yellow wire. Its apart of the alternator ecu

04-04-2012, 03:03 AM	#2
cre Toyota Racing Development Join Date: Apr 2007 Posts: 5,038	Look at the wiring diagram and it may be obvious. Test the Vs signal as I've detailed too. Don't go discounting anything because you don't think they fit the bill.... Your gut feeling has yet to provide any reason for me to have faith in it. __________________ If something breaks or you need to contact a member of the administration please post HERE. Unless it's a private or administration matter please post it on the forum. It benefits no one else if car related questions aren't posted for future users and takes away from the time I'm able to spend helping on the rest of the forum. If you're so inclined I'm always more than happy to accept tips via PayPal. Tip Jar --->

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
Supra stalling	Kinya	MKIII Supra	2	01-06-2013 02:54 AM
random pics of random things...	dannydavi	Off Topic Forum	3	06-11-2007 07:13 AM
Random Overheating?	MRice	Non-Generation Specific Questions	10	03-24-2007 05:22 PM
Stalling Supra	djairam	MKIII Supra	11	11-22-2006 05:19 PM
Random stalling of the engine??	XtreeX	MKIII Supra	20	11-15-2006 06:14 PM

04-04-2012, 03:49 PM	#4
Blindedlegacy 3" Exhaust Join Date: Jul 2011 Location: Virginia Posts: 89	and as of this morning cygnus is down

04-04-2012, 06:07 PM	#5
Blindedlegacy 3" Exhaust Join Date: Jul 2011 Location: Virginia Posts: 89	Tested the afm and bench tested all it spec along with the isc. Couldnt do fc because I ran out of time. But I found a lead. Ignition switch black and yellow wire. Its apart of the alternator ecu