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The only AFR sensor in the car is the narrowband O2 sensor, and its already pegged. There is no sensor available to alert the TCSS that is its 13:1, 10:1, or 1:1!! You need to reread JJ's discussion above of the O2 sensor.

The stock studs and nuts will work with the ebay elbow. That is what I used. I threw the provided hardware and gaskets away.

Excessive blowby will also cause the pcv to dump oil into the intake, as will a turbo with bad oil control.

Not a new question http://www.supramania.com/forums/showthread.php?t=48404

Reinstall the AFM back in the car if it was removed, and then directly connect it to the ECU (bypass the MAFT), then see if you get proper operation. I believe the other connections are all inputs to the MAFT and should not impact anything if left connected.

The upgraded radios from all years had an amp under the passenger seat, not just the rare subwoofer version. For example, my 90 came with the factory tape/cd/radio and it has the amp pictured below under the seat. http://www.cygnusx1.net/Supra/Library/EPC/291420/catalog.aspx?F=8601&P=2 Some...

I bought the Truspeed downpipe/elbow a few years ago. The elbow looks the same as that one on Ebay. Its 3 inch all the way. The flanges were very badly warped, but some time spent on the belt sander fixed it. The Lipp elbow is better quality though.

With apologies to whomever took these photos (if someone knows please post their name), but the rivet in question is illustrated below.

Code 14 is a problem with the ignition system. Specifically a problem with the IGF (ignition feedback) signal. This can be a lot of things, including bad plugs, wires, igniter, coils, and so on. An ignition scope would be a good next step. Code 15 does not exist for the ECU. While there is...

It's all here thanks to Mike Bringle... http://www.cygnusx1.net/supra/TechTips/vacuum_hose.aspx

Just a minor detail you forgot to mention! :aigo: Temporarily remove the MAFT-Pro and go back to the stock setup and see if it runs properly with no codes. Debug from there.

Sounds to me like it might be in limp mode with no AFM signal to the ECU. Check for codes?

1/2W will work fine. Physically a little bigger but there's plenty or room to stuff them in. You can order this stuff online. mouser.com for example.

1/4 watt will work for sure. http://www.4cefed.com/tech/natachchanges.jpg

If its fuel cut it will set code 34. Are you sure your check engine light is working? It will go on when you hit fuel cut. If it was me I would pressurize the IC piping to check for leaks. Reading through this thread give me a headache so if you already did that sorry.

Most likely you are describing 17303 in the following picture. http://www.cygnusx1.net/Supra/Library/EPC/291420/catalog.aspx?F=1708&P=3 That is the PS idle up circuit. Jon

From your description the hose is probably part of the power steering idle up circuit. A leak there would trend to raise the idle speed, but won't affect the operating temperature.

If the car won't reach operating temp its probably a stuck thermostat. That will also keep the idle high because the ECU will stay in warm up mode. Your fuel efficiency should be awful as well.

The fine print says 76-96 model year vehicles only. This was a 2000 Volvo. I guess I'll see this next year when the Supra goes in.

Is this already in place? I had a smog two weeks ago and the tech tested the cap, but I didn't notice him pressurize the tank?