Supra sounds like a chopper!

[Jonnymkiii]

EFA, Congrats! To be down since the winter is a long time.

I checked into the injectors myself, and this is what I found out.

- If I pull the #5 plug wire, I notice a small difference in the way the car idles, but the others made a noticeable difference.
- If I pull the #5 injector clip, I notice no difference in the idle, but the other I noticed a big difference.
- If I pull the #5 injector clip, then the plug wire, I notice a small difference.

I do believe there is a problem with the #5 injector, but I don't know why I notice a difference in the idle when I pull the #5 plug wire - I would expect there to be no difference.

Nonetheless, I want to check to make sure the injector clip is getting the necessary voltage... does anyone know what each wire should read?

 

[Jonnymkiii]

Definate injector!!

Last night, when the engine was warmed up and missing, I checked the injector plug and the injector's ohm.

The plug appears to be ok.. both connectors in the plug read 12.16v with the IGN on.
When I checked the ohms on the injector, however, I didn't get a complete circuit, whereas with the other injectors, I did.

I checked the ohms again this morning and I get a complete circuit now. So, my conclution is that the injector is malfunctioning when it gets warm.

I thank the folks on this thread for providing the information I needed to pinpoint the problem! Now I just need to find an injector.