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Point noted regarding the fuel pressure being high and the gauge location. I have an aftermarket pressure regulator on order. While I'm waiting for that to arrive I'll work on doing a smoke test for a vacuum leak. I thought I had that ruled out because now I can cover the throttle with my...

And PBR shorts.

Same here. I wear a mx jersey for the lightweight full arm sun protection. I wear it in the buggy & mountain biking. Luckily I'm old enough now that I don't give 2 cents what other people think about me.

I have an inline gauge right after the fuel pump. That jives with the specs on the pump. Picture taken with pump switched on and engine running at idle (1500+/-).

Interesting. That one is rated at 87 psi, 255 LPH; pretty much what I have now. Mine is a Walbro GSL392, 255 LPH. I think my next task will be to leave the stock fuel pressure regulator (replace with junkyard oem) and add in line right after the fuel pump an adjustable regulator like this: Evil...

10-4. I think the fuel pressure regulators are about $20 at my local yard, so might as well do that and rule it out. If there are recommendations for an aftermarket FPR, I'm all ears. I got to thinking maybe that barb fitting is restricting the return flow. Notice the tiny orifice of the...

I'm forwarding the ad to my son. He is in the market for a diesel truck. Where are you located?

EastMT was correct about the fan signal. I hooked up a test light to the battery positive terminal and the fan wire. Sure enough the light came on at about 204 degrees when the temperature sensor sent the ground signal. So then I rewired the fan relay to have the ground connected to that wire...

The fuel pump I'm using is a Walbro GSL392, 255LPH. Worked fine on my Ecotec, but yeah, my 80 psi reading is a lot higher than your 40. Is there a recommended/ideal fuel pump for the Honda V6?

OK, I will look into that. Thank you. The fan definitely should have turned on by 208 degrees. The wire coming from the harness was red, so was assuming it was either wanting or sending positive voltage. Wait... that was the color of the wire spliced in by previous owner. On closer look it...

Thank you for looking into that. I have replaced the original IAC with a new one, but I will do a good cleaning of the throttle body and IAC passage and see what happens. Fuel pressure regulator costs about $140, so not replacing that unless needed. I found no gas in the vacuum line that's...

Thank you for the suggestions. I'm curious why the drive by wire throttle body worked better. I have an inline fuel pressure gauge. It's reading 80 psi. I'm using the same fuel pump that was in my buggy that worked fine for the 2.2 Ecotec I removed, but that is something that is different in...

More info: I can start it, put my gloved hand over the throttle body and it immediately dies, so no vacuum leak.

Well I am not having much luck with this surging idle issue. I replaced the IAC, no change. I replaced the MAP sensor and connector just because the the wires were hot glued into it (previous owner), no change. I pulled the plenum and intake off again to see if anything looked suspicious. I...

Yep, I did that. I couldn't pick up any changes in the idle when I sprayed all around there. Maybe I just missed the leak location. I went ahead pulled the intake off to have a look and the gaskets seem to show some fluid on them from when I was spraying, but it could be my imagination. The...

Well that start up joy was short lived. When I fired it the other day I did not let it run but for a few seconds and then shut it off. Today I went to start it and let it warm up. The idle is revving/jumping between 1000 and 200 rpm. It could be a couple of things: Vacuum leak? I pulled...

Yep. I noticed that on some of the connectors you really need to tug on them to make sure the clip is engaged, especially the fuel injector wires.

I found a wire I had taken out of the system because it was part of a funky relay routing the previous owner had. Turns out I needed that wire hooked up, ha ha. Got it to fire! Now to button up everything and take it out for a shake down run. The MAP sensor wires look like they are...

Well my J35A4 engine swap has hit a bit of a dead end. I transferred the (running) engine, ECU, and harness from another buggy into mine and I messed something up along the way somehow. Everything is hooked up as it was as far as I can tell, but it won't fire. Starter cranks because I have it...