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Ok, here's the story. My idle won't hold at all, I start the car, and then the idle will drop almost instantly, it gets down to about 650rpm, and then the car drops off, and shuts off. I recently readjusted the throttle cable so the idle would be set at 1000rpm, didnt solve the problem. I...

That was original, good idea. Thanks for the knowledge (seriously). Thanks for everyones help I got it now.

Thanks, forthe help guys, I didnt think anyone was going to respond after a couple of days. Anyway, to answer the question about the egr, it does more than just cleaning up the engine bay, it stops the flowof the hot gases, sure the egr recirculates air but its exhaust gas, so blocking it...

bump......doesnt anyone care to help

Ok, I have an 87' n/a Supra and I'm looking to buy block off plates for my EGR system from SupraSport. Other than putting the block off plates on, and removing some vacuum lines, what will I need to do? Will I still need the VSV for the EGR, or can I take that off, and what do I do to the last...

Pioneer your a life saver I didnt have that last diagram, thanks!

Ok well I gotcha on that, thats cool ,that I won't need a scan tool, anyway, I own a Haynes repair manual but it doesn't have a good vacuum diagram, anyone willing to do a favor and drive out to help me get that situated, or let me, take picutes of their 7m-ge engine bay so i can clearly see...

No, I need to read trouble codes and dont own a scan tool. My AFM is new and installed, thanks though.

Guys, I know this area is usually for get togethers but does anyone that owns a Supra in the Apex, Cary, or the Raleigh area of NC have an OBD1 for toyota that they wouldn't mind bringing by my house and hooking up on my supra, the car is in Apex. I just rebuilt the engine, the car was running...

I found out that an 89 O2 sensor doesnt matter they all use the same amount of voltage. I'm an automotive student and my instructors said that I either have an exhaust leak (not likely because I just restored the car completely, and there are all new gaskets) or I have a bad EGR valve. It's...

No it was an 89 n/a 1-wire O2 sensor that I purchased, bc its diameter is smaller than the 87 and it fit inside the tube that stuck out of the collector. Thanks though. Anyone else, that has the OBX, that might remember what they did?

Ok, to make a long story short I have an 87 n/a supra that I installed an OBX header on, went to plug my O2 sensor in, and it would fit due to the diameter of the sensor (it wouldn't fit in the hole on the collector), plus, the collector's flange was tapped wrong and the holes were offset...

You probably have a bad O2 sensor, when the car doesn't get an oxygen reading, the fuel leans out at idle, it'll drop drastically at idle but at open throttle it'll be fine, if its fine at open throttle, check that because its a simple $35-50 fix.