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This is good information. When you say codes, does that mean I need a CEL to be able to check for them? Thanks!

I did burp the cooling system so I don't think there are any bubbles, although, if I did have a vacuum leak, why would the issue only persist when the TPS is plugged in? otherwise its free revving?

It was definitely in there right. I went verrry slow from where it snapped back to around 1100rpm and it did not show any signs of the RPM dropping. Any other ideas? I remember going through that multimeter deal not too long ago and that didn't work out that well either. Could the TPS...

That might be worth checking out, maybe it isn't in the slots, although I think it might be.

It will snap back to a more closed throttle, so the RPM would be raising if i turned it the opposite way. Would I tell the difference right away?

The good news is!!! The BHG job is done! The motor is all back together and running strong (200miles so far!) Bad news... I disconnected the TPS sensor and removed it because I was concerned about it getting wet as I was cleaning the throttle body and such. Turns out, I probably shouldn't...

Alright so I'll order a head gasket then, I just hope we're right! Thanks for your fast reply.

Hello Everyone, I am pleased to have my first post at SupraMania. I like the content on this forum very much, and I figure I won't find better information on these engines anywhere else. Lets make the long story short: I am replacing the head gasket on my 7mge for the second time. It...