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Most likely rings, as that was the issue for mine. I ended up selling that hunk of junk and got something surprisingly more reliable.

This might be the end, my car now starts and idles fine after installing new coils, but misfires like crazy under load. It's throwing the code for cylinder 3. I pulled the coil and plug and checked and it's got a decent amount of standing oil in it. Is there any hope of saving this engine...

I think I've got a short in my wiring harness, does anyone know the way to voltage test the wiring harness for the injectors?

I'll have to check, its happening only on 2 and I've swapped coils and it's stayed on 2. Clyinder 3 looked like it had oil in it so I may have a much worse problem.

So I installed the NGK coils and now my car misfires under load. Never did this before installing the coils, it would only miss at idle. Any ideas?

It's between those and the Beck/Arnleys for me.

Good deal.

Anyone know if the NGK coils are any good for our platform? Definitely something wrong with 1-2 of my current coils, so I'm planning on getting a new set.

So Ive been running the stock range plugs for awhile now and just pulled them out. Pic is of 1-4 left to right. 1 and 3 look super rich while 2 and 4 look lean.

New BPV is installed, I also re-installed the bigger intercooler I had from the previous owner. I'm starting to think this either an electrical / exhaust related misfire.

Haha, I think I figured out where they went.

Just found these bolts in my back seat, not sure what they go to.

So now the car will start up and be fine until it starts to warm up, then the intermittent misfires come back. Also when stepping on the gas, I noticed black smoke comming out the back. But it doesn't smell like oil. Edit: only happens above 4k revs

That's what I was thinking. I've watched the actuator operate so it's fine. I've got a new clip to splice in on both sides, also gonna try to jb weld the little plastic piece back on before I just bend it.

Is that going to affect engine performance/health? If I can find the connector online, I should be able to solder the wires back together. Just need to find this clip.

Yeah, mines a break in the wiring, just found it. Also broke that little plastic tab that the plunger presses on as well so it's looking like I'll need to weld/sodder to fix all that.

So drove the car to get registered today after clearing the codes and theisfire is still there, but not as bad as before. It is also throwing this code.

Alright, got the Heli-Coils installed today and so far no fuel leaks which is good! However the misfire still persists (it's moved back to cyl 2, and now it's also throwing the codes for cylinder 1 deactivation and injector malfunction for cyl 1. I'm wondering if the injector may have been...

The threads had already been mutilated before I pulled the rail off by the previous owner, putting torque on them only made the problem worse. I was hoping that some thread locker and well wishes would hold the rail in place. (obviously didn't work)

Welp, I got the car back together and cranked her up. Everything seemed fine till I realized fuel was spraying everywhere. The fuel rail has pushed itself off of the injectors and pulled the remaining threads out with the bolts, not good. We're going to attempt to fix the lack of treads with a...