Ok I have an idea. Is it the Transmission fluid temp sensor? My car doesn't want to shift out of first when cold and I think these 2 issues may be related. The wire colors are (Black with yellow stripe) and (Brown with black spots). Side note; I don't think I have a temp sensor or the wires...
It isn't the PPS plug. I have that hooked up. It does look identical to it though. The only EGR plug I know about is to the VSV. So if there is another one that may be it.
I see this connector that isn't plugged in and I don't see any other connectors that aren't hooked up around this area. Next to firewall near brake master cylinder and intake. It is with the auto transmission connectors. I checked wiring diagrams but didn't see it. 1989 7MGTE with Auto transmission.
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