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No Dave and I doubt that's the reason there is no Mazdaspeed3 right now. If it was, why is there a Civic Si? Ever been to that forum?

Just in case this came back for you.... https://mazdaspeeds.org/index.php?threads/p0301-and-p0300-solution.5928/

So, while I was trying to correct my loss of fuel in this thread https://mazdaspeeds.org/index.php?threads/fuel-pressure-drops-then-stalls.5606/ I replaced a number of parts related to fuel. Prior to all this, I have had the P0301 and P0300 codes comes up for 3 years. I had accepted that this...

60 posts is hard though!

Needs a MAF cal for sure but I am not willing to redline it on a VVT/TC that has 226k miles on it. :) Running the CS SRI.

This was last night before I did any work on it

One is coasting, the other was a quick wot on a short road. No sign of the CEL coming back since.

Ya know, I wanted to stop by and say hi last week. Unfortunately, some dipshit in Atlanta thought I needed to stay there until after 9pm. Originally, i was to be at JAX by 4pm. Was going to drive by the dealer and surprise you. Maybe next time.

Can I be the poster child? 226k miles and I will not let her die. Still contemplating new motor or replacing original timing chain and vvt but still, won't let her die. Maybe a new transmission. Should think about changing all doors/body panels. Probably everything underneath that has rust...

I can't tell you how good it felt to actually drive my car again. So, ran a new 14a wire from the 30a Fuel Pump fuse post to a T connector I attached to the red wire going into the fuel pump resistor. No loss at those same points anymore. Datalog attached. This (all the repairs) also seems to...

Resistance. Seems high, especially since one wire shows no resistance at all.

Done, Bisch!!@! Resistance test results show resistance on one side of the resistors plug to the relays. This is without the resistor inline.

Going to spray down with bleach and ammonia then blast it out with the power washer. @Raider why am I still a Greenie?

We may have found the culprit. This us inside the fuse box. Mouse nest. From one of the resistors wires, I get continuity to both the battery post and the signal input post at the fuel pump relay. This seems wrong. The other wire only has continuity to the circuit relay at one post (forget...

The new resistor has continuity and the resistance is in range. That said, at the advice of another local, I'm going to jump the resistors plug with relays plugged in to see what happens.

New development. So, all those new parts and maybe I did or maybe I did not test jumping the fuel pump circuit relay again but we did today and car stays running. Coolant temps got up to 180 and the HPFP actual stayed right around the desired pressure. Thought it might have been the grounding...

No. Any reason I should suspect it?

I haven't had a chance to do too much lately but here is a log of it idling til it stalls.

I tried it on the circuit relay and then the fp relay - same result. Still no codes.

It starts to go down before it dies.