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If you're seeing 51 with the AC off it means idle speed control is disabled. Pretty tough for it to control idle for any reason when it's turned off...

The water valve should be closed at 65 and open above that. Even when it's closed it's designed to trickle some coolant through the core though. Fwiw the VSV that operates it is a common source of grief. Read this regarding the in-car sensor...

Not used on this engine. Forget about it...

Lmao. More than a few ELTs have been tracked to the trunk of a car or a dumpster. Lets just say I know for a fact you Air Force guys and the CAP are not amused when it happens ;)

I believe the Crown Vic does. So do many older Ford trucks and Jags, among others. So do Deloreans and ELTs ;) Also known as a Rolomite Switch. Basically a steel ball held in place by a magnet that when dislodged in a collision opens a set of contacts. And yeah, it's bad news not having at...

The automotive equivalent is known as an RPM Relay. Bosch makes several models that were used on older cars. An inertia switch is also commonly used for this. Makes for a handy anti-theft device too...

It's all about understanding how things work on the root level and where Toyota was trying to get to when they wrote a procedure. Once that understanding is gained you can get to the same place using several paths. For example I never follow the TSRM for setting up the TPS. All that feeler gauge...

Look harder. It's all in the TSRM. Or you can always look at the servos and linkages. Easiest way to check the system (including the air mix damper) is to put the system in auto and step ramp the temp set point slowly up and down. AC should be off because it needs to be treated as the...

Now we're getting somewhere. At least the readings make sense. They sure didn't before. Checking the TPS off the TB is mostly useless. All that does is prove it's not open circuited. The high will be higher than when on the TB and the low will be lower. This is because the TB limits TPS...

I took it to PM. If he can't fix it now he'll never be able to...

Sensors should be referenced to E2 when measuring them. E1 (the chassis) can be used but the readings will be slightly different. It tells us there's no way Vcc can be the 300 mv you claim it is This actually has to do with your entire problem: you don't understand how things work. What...

I wanted VTA. That means with the throttle both open and closed. That said: 1) VC-E2 is wrong. In fact based on the other measurements it's very unlikely it's .3 volts. If it is there's your problem right there. Check it again, this time with the AFM both plugged in and unplugged. 2) IDL-E2 is...

Huh. I would have thought the lock falling out of the ignition thing being a worn key and not the ignition was common knowledge. It's been posted often enough.

Some smoke is normal but if you connect a manometer there you'd know a lot more. A compression test would help too. Btw the engine will run out of tune with the oil cap off. Pirate air...

Well, you proved the TPS is working. Part of it at least ;) And no, a 51 won't prevent starting....

You sure seem to like doing things the hard way. The ECU does not deal in resistance. Measure VTA with the key on at the ECU connector and post it up. Not that I don't already know what it'll be but humor me. Then there's this: You don't see a problem with that?

Take the jumper out...

If you can't operate a space bar I fail to see how you plan on using a meter but column 2, labeled "Terminals", in that chart tells where the meter leads go. As you can see E2 should be referenced for sensors and E1 for most everything else. "Referenced" means to put the negative lead of the...

All unplugging the ISCV will do is freeze it in whatever position it happens to be in at the time. The same thing will happen if the TPS is unplugged. Considering what I just said ask yourself why that would happen...

First off I *am* older than you by a fair bit. More than 10 years. Have some respect for your elders sonny. After that last post I've developed enough sympathy to let this die without posting my credentials but yes, I'm EPA 609 MVAC certified. Big deal. A 609 cert can be gotten online using...