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That's exactly how I cleaned the fuel tank out on my old chain saw the other day! I had left it out and it got water in the gas tank. dumped out the fuel, washed out with fresh fuel and then poured in some rubbing alcohol. swished that around and dumped. made the tank perfectly clean where...

Could also be using the impeller on the pump as an anode corroding it away. it would make some sense since the WP shaft and impeller aren't grounded.

Welcome @monkeywrench0786 Nice to see a fellow Texan here! your not too far from my neck of the woods. We like to travel out to Fulton / Rockport area for vacations. it's a nice quiet small town vs trying to go into Corpus, great fishing holes all around that area from Ingleside to Fulton!

I never mounted the second one, but the one I have is right in the hole of my bumper with the heatsink fins facing forward to catch wind. I used some of the angle iron home depot sells that has all the holes in it. drilled two holes on the bottom of the bumper and bolted it up, then bolted the...

Those adapters are getting harder and harder to find now. I’ve been wanting to put an aftermarket stereo in my wife’s 06 trailblazer but it has the factory Bose sound and onstar which I already disabled but it runs everything on canbus. Canbus is one of the reasons I absolutely hate newer...

Here is the info on the P1218 trouble code https://www.dieselmechanic.info/gm-6-5/gm-detroit-6-5l-engine-controls-dtc-p1218-injection-pump-calibration-circuit.html

If your resistor is good it may also be a loose connection or wiring issue on the harness or if using an extension cable.

The resistor I’m talking about is inside the connector on the PMD or sometimes called a FSD. They are mounted on the side of the IP from factory but most of us relocate it to the bumper and run an extension from the harness to it. I’ll get you a pic of it

Throw that thing in the trash! Lol. That is a noise filter that is notorious for causing issues

P1218 indicates a possible missing or failed PMD resistor. check to make sure the resistor is still inside the PMD connector. if it is, pull it out and use a ohm meter and measure it. also what # is printed on it? usually the put a #5 in from factory.

BTW.... I see you have the upper intake off. Good. keep you a plank of wood or something (not a rag) that is rigid near by so if it tries to run away and rev to the moon, you can use the flat plant to snuff and choke it and save your engine. there is always that risk.

you might have two possible codes pop up that you won't have to worry about. one for engine temp and one for the IP out of range. I can't recall the code numbers right now, but if that is all the shows up on the scanner, its saying the engine needs to get up to temp before setting the TDCO and...

you can also pull the return hose off the steel line and run it into a soda bottle to catch it. to see if there is actual flow. just cap off the return steel line before you start it up. ok so prior to removing the old IP it was running fine, installing the new one and it started this as well...

watching your video it looks as if there is nothing flowing from the return. that is really strange. this is with the new IP installed or the old one? if new, was the old one acting like this as well? are there any codes showing up on the scanner? other things to verify is fuel pressure...

WOW! I recall someone telling me that the procedure is when the station is notified, they are supposed to put that pump out of order and schedule them to come out for calibration. Idk if that is a state rule or federal, but new stickers with service dates should have been put on the pump when...

Yeah I wouldn't put it on a critical component right away. at least for my testing. technology is advancing rapidly in the 3d printing field though. they recently came out with a material that is supposedly as strong as mild steel and is tolerable much higher heat. I looked it up just to...

iirc it's a federal mandate that ethanol or bio stickers are supposed to be present on pumps along with measurement calibration stickers. I know all the pumps here in Texas that I have seen all have those stickers. our state also promotes folks calling in the scales and measurements hotline...

Your right AK, I saw him post 95 motor and was automatically thinking it was a OBD1 like mine. I see now his is a 98! the GMDTscan won't work for him but a tech 2 would.

I guess the only other way to test the new encoder would be to put it in another vehicle.