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zrickety · Nov 25, 2024

jay745 · Nov 26, 2024

zrickety said:
Yeah, sounds a lot like here. We've got a guy working on the backyard, going to the beach for Thanksgiving, and the parents (grandparents) for Christmas. The Eos has been a win, but it needed more work than I thought. It drives great, the issues manifest when parked. One day the idle is too low, the next it's too high, I'm wondering if it's an electrical connector somewhere. I've replaced the PCV, MAP, MAF, N75, diverter valve. I did a pseudo smoke test that was negative.
Did you get that new motor in your car yet??

Some progress, but I've been lazy mostly. I have the old motor out, accessories from mine swapped over with the exception of the fluidampr because I let my friend borrow my crank pulley tool and then he moved to Indonesia so I need to buy another one. I took a lot of time to clean the new motor, swapped everything. I'm thinking I want to replace every sensor before I drop it in though just for peace of mind. All in all I have a out 6 hours of work left to do after I buy everything else.

zrickety · Nov 26, 2024

jay745 said:
Some progress, but I've been lazy mostly. I have the old motor out, accessories from mine swapped over with the exception of the fluidampr because I let my friend borrow my crank pulley tool and then he moved to Indonesia so I need to buy another one. I took a lot of time to clean the new motor, swapped everything. I'm thinking I want to replace every sensor before I drop it in though just for peace of mind. All in all I have a out 6 hours of work left to do after I buy everything else.

I have the crank pulley tool, but honestly have not used it since I got a 1/2" Dewalt a couple years ago. Zips that bolt on and off with ease.
If the motor has 30k I would just send it, save those new sensors for when you'll need them 10 years from now. You would be shocked at how much is still original on my 2009.

zrickety · Nov 26, 2024

zrickety · Nov 26, 2024

WTF

zrickety · Nov 27, 2024

npace · Nov 30, 2024

zrickety said:
Yeah, sounds a lot like here. We've got a guy working on the backyard, going to the beach for Thanksgiving, and the parents (grandparents) for Christmas. The Eos has been a win, but it needed more work than I thought. It drives great, the issues manifest when parked. One day the idle is too low, the next it's too high, I'm wondering if it's an electrical connector somewhere. I've replaced the PCV, MAP, MAF, N75, diverter valve. I did a pseudo smoke test that was negative.
Did you get that new motor in your car yet??

IDK if you got your idle issue figured out but if it helps, I can tell you it's probably not a leak in the intake system if the idle is consistent while it's running. You would normally see the ECU "hunting" for an accurate idle, that is, it would be erratic during a single run session, rather than changing day to day. If it's just high or just low day to day, it's more likely an issue with air fuel mixture measured after combustion, which could be an O2 sensor, a leak in the exhaust before the O2 sensor, or inconsistent fueling (clogged injectors, fuel line, hpfp). Run diagnostics on the fuel system with VCDS, check voltage to the injectors, coilpacks, and do an O2 readiness screen. It could also be a faulty ground; start with the ground that is between the intake manifold and the coilpacks.

All of those are free to check if you have VCDS or another quality scan tool (I'm assuming you do). Sorry if I derailed this, just trying to help.

zrickety · Sunday at 3:10 PM

npace said:
IDK if you got your idle issue figured out but if it helps, I can tell you it's probably not a leak in the intake system if the idle is consistent while it's running. You would normally see the ECU "hunting" for an accurate idle, that is, it would be erratic during a single run session, rather than changing day to day. If it's just high or just low day to day, it's more likely an issue with air fuel mixture measured after combustion, which could be an O2 sensor, a leak in the exhaust before the O2 sensor, or inconsistent fueling (clogged injectors, fuel line, hpfp). Run diagnostics on the fuel system with VCDS, check voltage to the injectors, coilpacks, and do an O2 readiness screen. It could also be a faulty ground; start with the ground that is between the intake manifold and the coilpacks.

All of those are free to check if you have VCDS or another quality scan tool (I'm assuming you do). Sorry if I derailed this, just trying to help.

I appreciate the help. The HPFP did have a blown fuse, but it was also the wrong size. It has been working since I replaced it, but I have to wonder why it was changed in the first place. I was thinking a fuel injector as well, the car's history is questionable at best. Fuel filter and coil packs are new. I will check the o2 readiness, that is one of the few sensors that has not been replaced.