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I know what the code is. One is lean condition, one is rich condition. I was driving and got a CEL. Those were the only codes. Are they related to any specific parts? forum search got me nothing. 90 7mgte.

After warm up and normal driving my car will frequently idle rough 400rpm as if there is a vacum leak downstream of throttle plate. Then sometimes it will go back to normal idleing. VSV checked out ok, no codes. According to TSRM my 90 GTE is showing signs of a sticking EGR valve. Looks like a...

I am trying to track down a 1300rpm idle issue. TPS is good, ICS is good. My AFM is showing 1950'ish on the ohms at about 62 degrees (f). That is under the 2000 to 3000 for 68 degrees (f) the TSRM states. But, the TSRM doesnt list the AFM as a cause for a high idle in the troublshooting. So I...

I had an erratic idle. Idled at 1000 then would randomly drop to 400. No codes. I decided to check ISC. Pulled it, cleaned it, it was nasty, also pulled the throttle body off cleaned it, it was nasty. After I put it back together I have a steady 1400 rpm idle. No codes. ISC has proper...

I have an exhause leak in between mani and head at no. 5. I can stick my finger in and feel it blowing. Anything need to be done besides swap the gasket out and clean the surface? And any damage being done to anything else driving it until until I can fix it?

I am not just wanting an upgrade, I need to replace my stock IC because I know it is full of oil gunk from a prev owner running a bad turbo for a while. Looks like DM has the same one but most get the bigger kit. Any thoughts on this type? Do most get the bigger kit for the bigger HP? Anyone...

I have been getting some flickering of three warning lights simultaniously. The battery, E-brake, and that tail light warning light are flickering during city driving. All three come on and go off together. Just a short somewhere? Is that a code the car is trying to tell me something? Or just...

My n/a 88 had a great feel to the handling. Steering wheel feel was just right for tight twisty roads. Sold that car. Now I have a '90 turbo and the steering wheel is so easy to turn it just doesnt have the "feel" of the good handling machine it is. Anyone feel the same or deal with this at all.

Lookin for a shop in GA or AL area that can do a 1JZGTE swap into a my 90'. Have $ but no time for next 6mo.

I have some top end pinging or detonation at about 2800 rpm just before boost. It always starts and ends at that same rpm. No codes. timing is set. Engine is stock 7mgte with newly rebuilt driftmotion ct26 50trim, stock elbow, 3" exhaust. I run high octane quality fuel. It runs and boosts very...

Just curious, what year/model did the 160mph speedo come in. Was it all turbo models? or just turbo after 89'? Or all supras after a certain year? none of the above?

..anything obvious that could be unplugged or failed that would cause my idle to go from a near perfect idle 700rpm consistantly, to starting it today and it idle at a steady smooth 1200rpm. Runs fine, no codes but cant figure what could have happened while it was sitting that would cause it.

When I shift gears I am getting what sounds like a backfire out of the tail pipe under boost. Could my stock bov not be opening? I only have about 20mi on car with new turbo, running very well otherwise.

I have a 90 turbo 7m and a good running 88 n/a 7m. I know the 90 is better equipped as far a recieving a 1j swap. Does it matter whether the swap car is turbo or n/a. They are both 5sp targa. I would like to swap in a 1j in the near future, but not sure about keeping the n/a or not.

Do the stock fan shrouds generaly fit on aftermarket radiators. I have a Godspeed Radiator. Just wondering what others have done before I buy one. The GS radiator looks thicker that stock. It has the bolt holes to mount, I'm wondering about physically fitting the shroud in the space available.

My 90 turbo came with a Godspeed radiator from a PO but no shroud on it. Should I put a fan shroud on it. It has the mounts for one, not sure if the mounts are for a supra though. Wondering if it matters.

Searching through other threads I found some information but still not sure. All lights work exept turn signals and hazard 4ways. I have checked fuse inside, replaced the flasher, and made sure my hazard switch was plugged in. I have 12v to the hazard switch and changed it out(had a spare) just...

I am trying to adjust my TPS to get rid of a code 51. I tried adjusting it with it on the car but couldnt get rid of the 51. I removed TB to get a closer look and clean it. I tested resistance per tsrm. It checked out ok with the tps almost maxed out rotated down. I plugged it back into the...

Over time, 7 months my battery is getting weaker. Sometimes when I attempt to start after sitting a week or longer, I just get a click. A jump will usually fire it right up. However, sometimes if I just try it a bunch of time it will fire up. It cranks really fast, as if the battery is not...

I have an oil leak from the oil pipe connection where it bolts to the bottom of my turbo. I am about to remove the turbo for the second time for this leak. Its a new driftmotion turbo and new softline kit. So, two new surfaces with new gasket. My question is this. The turbo came with two new...