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1) There's a good chance your friend is right. 2) The beep doesn't have anything to do with priming. 3) Priming only occurs when the key is held to start.

There's only one failure mode of the TPS or its wiring that can prevent spark and it can be verified as not being present by the MIL coming on. That said the ECU will still have power should the failure occur. I seriously doubt any of this is his problem though.

Does the MIL come on with the key? If so the TPS can't be involved. Check the coil pack wiring and other stuff in that area you may have disturbed.

The car might treat him better if he'd stop referring to it in the female vernacular...

Listen to Iwant. And "looks good" doesn't work with electrical stuff. Use a meter set to the lowest ohms range with continuity beep enabled.

For timing the engine must be hot, the system in diag mode, and the IDL contact closed. The easiest way to verify the last two things is to check for normal "no code" flashing of the MIL before any timing attempt is made.

I understood. Just thought you might have got it backwards. That'd result in low airflow and noise.

Are we really talking backfire or is it muffler explosion?

Smelt is a fish...

^ Tough crowd ;) OP: the open O2 signal you found could cause that as the system is designed to default to about 12 under those conditions. The TPS is not related to your problem. At least not idl-e2. VTA could very well be though.

^ Tough crowd ;) OP: the open O2 signal you found would cause that. The system is designed to default to about 12 under thoat condition. Your problem is not TPS related. At least not IDL-E2. It could very well be VTA related however.

Got it. Supras in illannoy must be different :icon_razz

Idle control computer? Really? Besides, he's probably got the car fixed by now or long ago sold the thing...

All you had to do was look in the manual...

It's "float"...

Well, you could fix it. And sure, you can leave that ground in until you do or forever if you don't.

It may not be able to *fully* close and on those that can it's often bad to set them like that because of sticking. Nor will it being slightly open effect much. Put another way unless it's open a lot your idle problem is unrelated.

Not the coil side. Check the NSW/clutch switch. Also the stock alarm if still there.

Time for the relay mod!