Knock sensors only do one thing and one thing only and they either work or don't. If they don't work then the TCCS will output a code. You have issues in another place. I would be checking your ignition system and replacing that fuel filter.
Hey man calm down he is just telling you the knock sensor has nothing to do with your issue. If you have a bad sensor you will have a check engine code. A knock sensor generates a alternating current depending on the vibrations that is applied to it. Just get ready to get schooled though...
This thread probably wont be updated for awhile since I have the car where I want it right now.
Next project will be finding another shell once I get to New Mexico later this year and do a strip all the way down sandblast and rebuild. This will probably go with a built up 2J-GE motor with a...
Small update
A/C is working using R-134A.
Installed AUX fan on intercooler to pull air through the intercooler and push through the condenser. Comes on when A/C is on.
Installed new anti-freeze overflow bottle.
Installed new CCV SS 3/4 hose.
New fan shroud also.
Yeah 20 year old parts such as an ignitor or afm can do it.
Now what you can do is start the car and unplug the AFM and see if your miss goes away.
Then for your ignitor use a heat gun and a ice pack and add heat or cool it and see if that changes anything.
Find another AFM electronics and Ignitor and swap them out if you can ans see if the problem goes away.
Also what air filter are you using?
Also I really like your post actually made me want to help you out since you took the time to put together all that information to help troubleshooting.
It is pretty much its a scam because you can't use it in an automotive A/C system and it is highly flammable!
It is made of propane and butane so one small leak and boom!
http://www.imcool.com/articles/aircondition/Porsche_928_Refrigerant_Fire.php
http://www.youtube.com/watch?v=DjtowzVzl_4...
It doesn't help though that the websites that sell the HC products are very misleading and don't say anything about it being illegal to use or how flammable it is or even what it is made of. Then there is a lot of misleading information about it on the internet also.
Also someone needs to make...
Its all good just did Arctic freeze R-134a from advance auto and having vent temps of 50F degrees in 90F degree weather at idle in my hot ass garage. Yeah I just had no idea that ES-12a was that dangerous to use because none of the sites that sell it say otherwise and praise how great it is...
Good stuff to know Jetjock. Seems like this ES-12a is just a huge scam and all the companies selling it are very misleading. Going to go get me a R-134a retrofit kit today!
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