engine troubles

mrnickleye · 02-21-2007, 03:46 AM

Start the engine, then shut it off after a few seconds. Pull the plug and smell it. Is it gas. Sounds like a fuel injector is stuck open (some).

We see this problem at the shop at least every 2 weeks. Sometimes you can remove them and clean them. A seal kit is about $30-36 for all six.

I strongly recommend using some strong fuel system cleaner in the gas tank.

http://www.toyota-supra.info/forums/...ead.php?t=4658

http://www.toyota-supra.info/forums/...ighlight=video

yota_head · 02-21-2007, 04:20 AM

i have already put a bottle of stp injector cleaner and a full tank of chevron gas in the car.
i did another diagnostic, and this time got a code 42 "vehicle speed sensor." im thinking this has nothing to do with my problem, and everything to do with the fact my speedometer stopped working because i accidently broke the cable replacing the heater core(not a fun job!)
what does the ecu need to know the vehicle speed for anyway? the misfire problem began before my speedo cable troubles.

SideWinderGX · 02-21-2007, 04:57 AM

TEMS. the ecu needs speed ranges to determine what level (soft, medium or stiff) the suspension will change to. if you go over 65 mph, it will bump it up a level, then back below 55, itll bump it back down. probably other stuff too though.

yota_head · 02-21-2007, 05:58 AM

Quote:

Originally Posted by SideWinderGX

TEMS. the ecu needs speed ranges to determine what level (soft, medium or stiff) the suspension will change to. if you go over 65 mph, it will bump it up a level, then back below 55, itll bump it back down. probably other stuff too though.

i dont have TEMS which i found strange. my car has lsd and all the other fancy stuff including those headlight washer thingers that came with the sports package, but no tems.

02-21-2007, 03:46 AM	#1
mrnickleye 1000whp postwhore Join Date: Jun 2005 Location: Mojave Desert, Calif. Posts: 1,705	Start the engine, then shut it off after a few seconds. Pull the plug and smell it. Is it gas. Sounds like a fuel injector is stuck open (some). We see this problem at the shop at least every 2 weeks. Sometimes you can remove them and clean them. A seal kit is about $30-36 for all six. I strongly recommend using some strong fuel system cleaner in the gas tank. http://www.toyota-supra.info/forums/...ead.php?t=4658 http://www.toyota-supra.info/forums/...ighlight=video __________________ Had a Red 1989 N/A. Automatic. Sports Pkg. w/wing. TEMS, and some nice MODS. Sold to a friend 10/08/08. Last edited by mrnickleye; 02-21-2007 at 03:56 AM.

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02-21-2007, 04:20 AM	#2
yota_head Stock Join Date: Feb 2007 Location: BC Posts: 12	i have already put a bottle of stp injector cleaner and a full tank of chevron gas in the car. i did another diagnostic, and this time got a code 42 "vehicle speed sensor." im thinking this has nothing to do with my problem, and everything to do with the fact my speedometer stopped working because i accidently broke the cable replacing the heater core(not a fun job!) what does the ecu need to know the vehicle speed for anyway? the misfire problem began before my speedo cable troubles.

02-21-2007, 04:57 AM	#3
SideWinderGX 3" Exhaust Join Date: Feb 2007 Location: Syracuse, NY Posts: 203	TEMS. the ecu needs speed ranges to determine what level (soft, medium or stiff) the suspension will change to. if you go over 65 mph, it will bump it up a level, then back below 55, itll bump it back down. probably other stuff too though.