Oil in Spark Plug Wells

gaitski · 03-31-2011, 03:39 PM

Thanks Cre, sadly no codes. Can you recommend a good source explaining how to check that stuff? If not I can google around.

cre · 03-31-2011, 06:52 PM

Testing procedure for a of the EFI system:
http://www.cygnusx1.net/Supra/Librar...ection=FI&P=30

AFM specific section:
http://www.cygnusx1.net/Supra/Librar...ection=FI&P=94

Fuel system:
http://www.cygnusx1.net/Supra/Librar...ection=FI&P=70

Green7mgte · 03-31-2011, 08:49 PM

lawl. Did anyone mention they could use an oil drain plug gasket? if so, sorry for the repost.. wtf isnt this in the faq too?

sure is
http://www.toyota-supra.info/forums/...ark-plugs.html

I just replaced the crank case vent hose.. 45bucks from champion.
Only thing to remember is to not over tighten the alternator belt.

gaitski · 04-11-2011, 08:00 PM

Update: I haven't had time to research how to check the EFI, but I did check the codes again and found that I've got a code 43. Looks like ignition switch circuit, ignition switch, or the ECU.

Anyone come across this one and had luck with anything in particular?

Green7mgte · 04-11-2011, 10:17 PM

throttle cable?

http://www.toyota-supra.info/forums/...ded-supra.html

http://www.toyota-supra.info/forums/...-and-43-a.html

gaitski · 04-12-2011, 01:50 AM

Throttle cable seems alright, it's not hanging loose or anything. Is there something in particular to check there?

I disconnected the battery and pulled the ECU out to take a look at it and reset it. When I put it all back together, no codes, but now it isn't starting at all. It cranks fine, but nothing after that.

I'd like to test the ECU, but I'm kind of confused by the Cygnus site. Do I pull the ECU totally out and use a multimeter on it then, or am I testing the plug ends that plug into the ECU?

Thanks!

Green7mgte · 04-12-2011, 02:42 AM

tampering with the brains of the car isnt the best idea if were unsure of the outcome / process.

thing with the throttle cable is just it being slack not giving you enough rpms with the peddle to the floor.. would explain your power loss right?

make sure you put the ecu back in correctly. I've removed mine a couple times. You dont need to remove it to reset it, d/c the battery is enough. Just removing the negative cable for a few minutes is enough to reset it. Your car was working fine just a few moments ago yes? just a code 43 that could of been easily checked / replaced.

yes you have the ecu connected (plugged in) and your checking the pins. w/ the key turned to ON
damn you did d/c the battery before removing the ecu right? just precautions there. Its a stout piece of electronics that usually dosn't go bad. make sure you have the connectors in the right spots. But IIRC there all different sizes.. make sure there pushed in fully man.

03-31-2011, 06:52 PM	#2
cre Toyota Racing Development Join Date: Apr 2007 Posts: 5,038	Testing procedure for a of the EFI system: http://www.cygnusx1.net/Supra/Librar...ection=FI&P=30 AFM specific section: http://www.cygnusx1.net/Supra/Librar...ection=FI&P=94 Fuel system: http://www.cygnusx1.net/Supra/Librar...ection=FI&P=70 __________________ 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 --->

03-31-2011, 08:49 PM	#3
Green7mgte Supra Forum Moderator Join Date: Nov 2009 Location: Green-Ohio Posts: 1,297	lawl. Did anyone mention they could use an oil drain plug gasket? if so, sorry for the repost.. wtf isnt this in the faq too? sure is http://www.toyota-supra.info/forums/...ark-plugs.html I just replaced the crank case vent hose.. 45bucks from champion. Only thing to remember is to not over tighten the alternator belt. __________________ 92 Ma71 7mGTE Auto. SafcII Supra FAQ Supra MKIII FAQ Classified Section guidelines : Last edited by Green7mgte; 03-31-2011 at 08:53 PM.

04-11-2011, 10:17 PM	#5
Green7mgte Supra Forum Moderator Join Date: Nov 2009 Location: Green-Ohio Posts: 1,297	throttle cable? http://www.toyota-supra.info/forums/...ded-supra.html http://www.toyota-supra.info/forums/...-and-43-a.html __________________ 92 Ma71 7mGTE Auto. SafcII Supra FAQ Supra MKIII FAQ Classified Section guidelines : Last edited by Green7mgte; 04-11-2011 at 10:22 PM.

04-12-2011, 02:42 AM	#7
Green7mgte Supra Forum Moderator Join Date: Nov 2009 Location: Green-Ohio Posts: 1,297	tampering with the brains of the car isnt the best idea if were unsure of the outcome / process. thing with the throttle cable is just it being slack not giving you enough rpms with the peddle to the floor.. would explain your power loss right? make sure you put the ecu back in correctly. I've removed mine a couple times. You dont need to remove it to reset it, d/c the battery is enough. Just removing the negative cable for a few minutes is enough to reset it. Your car was working fine just a few moments ago yes? just a code 43 that could of been easily checked / replaced. yes you have the ecu connected (plugged in) and your checking the pins. w/ the key turned to ON damn you did d/c the battery before removing the ecu right? just precautions there. Its a stout piece of electronics that usually dosn't go bad. make sure you have the connectors in the right spots. But IIRC there all different sizes.. make sure there pushed in fully man. __________________ 92 Ma71 7mGTE Auto. SafcII Supra FAQ Supra MKIII FAQ Classified Section guidelines : Last edited by Green7mgte; 04-12-2011 at 02:44 AM.

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03-31-2011, 03:39 PM	#1
gaitski Stock Join Date: Mar 2011 Location: Moscow, ID Posts: 14	Thanks Cre, sadly no codes. Can you recommend a good source explaining how to check that stuff? If not I can google around.

04-11-2011, 08:00 PM	#4
gaitski Stock Join Date: Mar 2011 Location: Moscow, ID Posts: 14	Update: I haven't had time to research how to check the EFI, but I did check the codes again and found that I've got a code 43. Looks like ignition switch circuit, ignition switch, or the ECU. Anyone come across this one and had luck with anything in particular?

04-12-2011, 01:50 AM	#6
gaitski Stock Join Date: Mar 2011 Location: Moscow, ID Posts: 14	Throttle cable seems alright, it's not hanging loose or anything. Is there something in particular to check there? I disconnected the battery and pulled the ECU out to take a look at it and reset it. When I put it all back together, no codes, but now it isn't starting at all. It cranks fine, but nothing after that. I'd like to test the ECU, but I'm kind of confused by the Cygnus site. Do I pull the ECU totally out and use a multimeter on it then, or am I testing the plug ends that plug into the ECU? Thanks!