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So after 5 months and 650 posts we finally get to air pockets in oil...

The answer is intuitively obvious.

Yep, that works fine. As long as the alt and starter has a good path home rather than finding its own way through other parts.

The same or larger awg (sized for total load including starting) should be used for grounding and wire is better than the chassis when relocating to the rear. Lacking that a bonding strap of sufficient ampacity from the block to the chassis is imperative. On my car all ground points were...

Interesting. So what does it have? Relays? Hamsters running on little wheels? :icon_razz

^ Thank you. At least someone gets it. And thank you also to stolensupra. I do what I can although these days it's getting tougher to justify, what with 12 year olds apparently buying these cars. That said I'll admit I can be a little rough on certain types of posters at times. Gettin' old I...

At the time it took me all of 2 minutes. Guess why?

It's the thermal time switch for the cold start injector. Fwiw a little RTFM would have showed that...

http://www.cygnusx1.net/Supra/Library/TEWD/MK3/manual.aspx?S=Main&P=47 I'm unsure where the confusion is other than you thinking B-O is ground...

No problem. Thanks for the laugh concerning your edit...

Lmao. All his stuff does look top shelf though, I'll give him that.

1) Is cold idle behavior normal? 2) Is the CSI system working? 3) Does jumping the fuel pump on for 15 seconds prior to cranking help?

It certainly can. Although how this particular sender/gage operates is unique compared to others it's still not difficult to test. As I said in post #4 start by using the TSRM procedures.

Since the sensors and circuit are electrically identical the answer is yes. I would buy the proper sensor (it's cheap) but that's me. It'll also be more reliable. That's why the EFI system comes direct wired without splices or intermediate connectors.

Fix the 52 first. Fwiw once set it will stay set until the key is cycled. It's the only code to do that. Following the reset it takes several parameters to set again. It's not the only code to do that. Point is, fix any codes before trying to get aftermarket stuff to work...

^ This. Same thing with carburetors. It's why aircraft engines so equipped all have carb heat. Heating the air also aids in vaporization.

http://tinyurl.com/a9ve66y Maybe attend just one?

Adel clamps. Common as dirt in aviation and racing. Use two screwed together to support one tubular thing to another.

I bet it flashes by real fast when it's only been a couple of decades ;) Bummer Dev. Glad you weren't seriously hurt....