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I'll admit that vid is "drop testing for dummies". There are a few other things wrong with it too. One is his method of testing for drop across both sides of the circuit. A much better technique is testing for drop across each side independently, the way it's done on higher current paths like...

Your problem is easily resolved using proper measurement technique. As I've stated many times voltage drop testing is likely the most valuable automotive electrical skill a person can learn. Not a perfect tutorial but a good place to start: http://tinyurl.com/yfbldut

I can count. You and the other guy are the only ones who come across as true dumb fucks in this thread. But hey, I gave you the answer anyway and it was correct, regardless of what 3 "mechanics" told you. You can't find it in the manual? Try again. And whose talking about EGR? Moron...

Purging the EVAP canister results in enrichment. Because of this the canister should not be purged when: 1) The engine is on idle. Because fuel control is sluggish (low O2 cross counting/low exhaust temp) the ported vacuum line from the TB prevents purging except when off idle, regardless of...

PrinceChip is correct. A stoichiometric feed gas will always contain less than 5% CO. Therefore, although you may need a new one to eventually pass, the catalyst is unrelated to the high CO. The engine is obviously not in fuel control, which it clearly was on the previous test. And that it...

Buy another one. It's the logical thing to do...

A vicious rumor perpetrated by my enemies ;). Just passing through Colin. Hey shaeff. Keep on keeping 'em honest. Fwiw 20% of that will get you a quality industrial subminiature three-way that'll likely be the last heater VSV you'll ever install...

It'd help if you were more specific but assuming you're in need of the coolant valve itself: http://www.autopartsnerd.com/item.wws?sku=74637&mfr=FOUR+SEASONS Swap the actuating lever from the old valve. The new valve has mounting holes on both sides so it'll orient correctly to the stock...

Sounds good to me. :nono: OP: although I'm retired from this zoo here's a one time tip: If you've tried 3 afms and none have solved the problem maybe it isn't the afm eh? Here's another shocker: you should be able to remove the air filter, afm, CBV, accordion hose and all the associated...

http://www.mkiiitech.com/forum/showthread.php?p=7710#post7710

Nice to see someone who takes info and runs with it rather than wanting their hand held. Someone who understands the internet is more than a global pornography network. A Floridian no less. I'm impressed. If only everyone here was the same. Congrats on learning something valuable. Now you too...

That's your problem right there. You should always get a 51 with the pedal depressed in diag mode. You aren't because IDL is staying closed. When the IDL contact remains closed and the throttle opened the ECU will enter rpm cut. In addition when VTA exceeds 1.5 volts with IDL grounded a 41 will...

I'm gonna guess you did that by measuring voltages across positive and negative points and comparing them. If so that's not what 3p is talking about. Drop testing involves measuring across two points in the same side of the circuit path while the path is under load. It's one of the most valuable...

^ Since he's one of yours I was sure you'd be able to explain it. Now we're screwed ;)

The ECU doesn't read resistance directly from those sensors, it reads voltage based on the resistance. Therefore if the resistance is wrong the voltage will be wrong. If it's wrong enough to cause the voltage to fall outside the above mentioned limits a code will be set and a default value...

Neither of those codes should cause missing. That said the ECU is not going to clear them as long as the faults still exist. And you can't just jumper a sensor. The ECU will read that as a short and set the appropriate code. "Next I was going to check the resistor I wired in between THA and...

Lmao...

The behavior is normal because a pulled dipstick results in pirate air...

Page 135 ;) It's also here: http://www.cygnusx1.net/Supra/TechTips/engine_error_codes.aspx Applies to external HAC. Iirc internal HAC is code 35...

GTE + code 32 = HAC sensor