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It's the least accurate way and the fact Honda used it on their little POS cars is nothing worth bragging about...

Voltage on Vf and E1. O2 sensor can be checked on either OX and E1 or Vf and E1 when T and E1 are connected and the throttle is off idle. For O2 measurement the meter needs to record and average. What you're doing is checking for pirate air. Being lean at idle is completely safe. Truth is...

Crack me up about the K&N. Some engines need even more of the lower chamber blocked. It's one reason there was an aftermarket screw. That said what's Vf doing? What's the average voltage of the stock O2 sensor? And you know that, as long as the engine isn't into lean misfire, being lean at...

So much nonsense has been written about how to reset the stock alarm I've lost track of it all. Doing what the owner's manual says is correct and will always work.

^ This. As for Driftmotion, paraphrasing Ronald Reagen is helpful: it's not that they're ignorant, just that they know so much which isn't so...

Probably why he put "suction" in quotes. Pumps work by reducing pressure at the inlet.

Tweaking in closed loop? Shouldn't be able to.

^ This. The whole "resetting the ECU to fix problems" thing needs to die. If doing so has any effect there's something else wrong with the engine.

The problem is definitely too much head pressure alright. Reminds me of the film Scanners :icon_razz

Remove the diodes. Don't need them. Otherwise what you have there should work. Check to see if the shock sensor trigger goes low when activated. Course, you can also ground that line (while still connected to pin 7)) to see if it triggers the alarm. One or the other isn't doing its thing...

I'm guessing he has it fixed by now. Not to mention he's been banned. That's what happens when you're from the city so nice they named it twice...

No, although it'll eventually shut down.

Hmmm. Curious as to which wire it was since off the top of my head no grounds other than the igniter chassis are required.

Welcome. With the stock setup the pump won't continue to run unless the engine starts but that doesn't apply to you. Far be it from me to deny anyone the opportunity of becoming a crispy critter after a collision but if it were me I'd add that safety back using an RPM or inertia switch. Either...

The stock ECU controls the fuel pump but doesn't care if it gets power from elsewhere. There's no feedback ie; it doesn't 'know' if the pump is running or not. And that code you mentioned isn't valid for a stock ECU. I suggest troubleshooting by using the TSRM and TEWD. Based on your symptoms...

So this isn't a 7M ECU? What engine is in the car?

It will at some point...

I knew this thread would be good...

Bottom line is the OP can't possibly pass California emissions without it. As for the rest it has already been very well stated: some people just don't know.

The engine can't possibly run after pulling the EFI fuse and what you're thinking about the ECU is wrong.