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Also your car is old enough to have corrosion. My 87 had a couple of interior door parts on both sides with corrosion. My alarm was going off when I opened the driver's side door. I took apart the door and found corrosion. It sounds to me like your lock cylinders are bad. The part from...

I have an 87 and I used a flat head screwdriver to adjust my idle using that idle screw on the throttle body. It may not be the thing to do but it worked for me with no ill effects that I've noticed. The idle is affected by many things, but check that your TPS and ISC (Idle Speed Control)...

Use Toyota Red = $18 a bottle (factory Toyota coolant for the MK3) plus Redline Water Wetter = $7 a bottle (good for stopping corrosion and heat) One of the greatest combos for the MK3. Good luck.

Yes that is a computer generated image of the MK5. Who knows if it will ever see production as Toyota has been dragging its feet. I think they are locked on Lexus and we won't see a Supra again. :cry: Yes go to that diagnostic port and you will see Vf and E1. Put a voltmeter/multimeter...

Yes I know. I was wondering (besides this shot of her on the car) if she was the model on his web site holding the Supra parts for sale.

Jeff - wasn't she also one of the models holding up some Supra parts for sale when you had SupraSport ? If you don't get another site up, start helping design car part sites because they sure are boring now! :icon_wink As far as the vote - sorry my first impression was get off that car. If...

Yea shawndude is right - around 18.5 gallons. The sticker on these cars said 18 MPG CITY and 23 MPG HIGHWAY. I am getting an average of 23 MPG city/highway driving. I have the Lexus/550/Walbro/AFPR mod. Boost to around 12 PSI with stock turbo. I found that my "super" monitor is/was...

It is called the diagnostics port. It is a little black plastic box. I think there are 8 pins in there. They are marked on the other side of the cover when you open it up. I think the work "Diagnostics" is even written on the cover. It is small - it is right by the battery on the driver's...

550cc and Lexus -- you better set the fuel pressure to more like 38 to 44 PSI. You are definitely running lean. 28 PSI and I had the same setup and I was running pretty lean. Can you check the Vf and E1 pins on the diagnostic port for the lean vs. rich voltages? Do you know how to do that...

Hey Yonkers and thesupraman: What about a complete fuel system cleanup? I had some trouble with my old 87 just due to the age and I went to Monroe of all places and they did an oil change that involves a complete fuel system cleaning. I was skeptical but after that the car's improvement was...

Since you posted this elsewhere what is the status of your issues? Here are some things I would do. Did you do the following easy check yet: Check every fuse: 1- The fuse box in the engine bay 2- The driver's side kick panel fuses 3- The passenger side kick panel fuses Did you try...

Well a similar situation happened to me and it ended up being the S-AFC was initialized for whatever reason and it wasn't set to KARMAN. But then it threw the AFM error code and I knew what it was. I know you have the AEM manage and you unplugged it but could a similar thing be happening to...

I don't mean to hijack this thread so I apologize ahead of time... Hey "thesupraman" - You really seem knowledgeable about the MK3. My mileage is good - I am getting 23 MPG average which is great because I am old enough (showing my age) to remember in 1987 when the sticker said: 18 city...

It really sounds like a leak doesn't it? I checked every hose, vacuum line and connection and everything is tight. Before I took half my engine apart last month my vacuum was at 17 to 18 PSI. That's exactly what it is at right now (hovers around 18) after reassembling the car. I even have 2...

Sounds exactly like a boost leak - check all your intercooler pipes. I had the same problem - a clamp was loose and it actually fell apart when I boosted, so there was no connection to the intercooler.

Background: Lexus/550 mod, AFPR, Walbro fuel pump, HKS BOV recirculating, complete 3 inch exhaust from turbo to muffler (TANABE CAT-back). After changing old engine parts and setting the timing my idle issues with missing and sputtering have gone away. Using a wideband oxygen sensor helped...

2 things I think your problem can be: 1- ISC - Idle Speed Control 2- TPS - Throttle Position Sensor The MK3 will "surge" if you unplug the ISC. Perhaps yours is unplugged or malfunctioning? Use a multimeter to check it as per the TSRM. Another question to pose out there: is 28 PSI...

My car at operating temperature hovers around 18 PSI. Is this OK as I thought it should be 20 PSI? [The cold start injector ] About the cold start injector - isn't its purpose to help start the car? When the car is running can it cause your car to sputter or miss if it is "gummed up" ?

I'll answer this since no one else did... Yes. Use a flat head screw driver to turn it either clockwise or counter clock-wise to increase or decrease your idle RPMs... I just did this yesterday on my 87. I believe the later Supras (89 to 92) don't have this option but I could be wrong.

You are doing a good job; hang in there. :burnout: Swapping parts off a running car is a smart idea but the thing is, are you sure you put these parts in your car correctly? When it comes to car problems do not assume anything. For example, if the CPS is off by a tooth or so, you can...