1G Can anyone make sense of this? Car running on 2 cylinders

trapdad · Oct 23, 2016

So last week I made a post about how I replaced my cylinder head after letting the car sit for probably 3 months. All new timing components as well. Well after finally getting everything together it only runs on cylinders 1 and 2 and I'm not sure why. You can pull plug wires 3, and 4 with zero difference while it's running. I made sure my injector clips were tight, switched my injectors around. There is even compression across the board, presumably fuel, and plug wires seem to work fine. I know my CAS isn't set exactly right, but it couldn't be off by so much that it only runs on 2 cylinders, right? Any suggestions would be helpful.

Lou98GSX · Oct 23, 2016

Is there spark going to those plugs if not you could have a bad ignition module or ecu .

trapdad · Oct 23, 2016

Lou98GSX said:
Is there spark going to those plugs if not you could have a bad ignition module or ecu .

Turned the lights off and pulled the plugs. Yeah they work.

Boomdeeze · Oct 23, 2016

So you have verified that each spark plug is firing? Any codes? Do you have ECMLink? Sounds like a pin in a connector may be loose.

You replied while I was typing ^^^^^

Check the signal from the ECU for your injector plugs to make sure they are getting proper signal to fire.

Michael Helsel · Oct 23, 2016

It sounds like an injector issue to me as well. If you have ecmlink, you can go in and turn on and off injectors. See if that does anything if you have it.

trapdad · Oct 23, 2016

Michael Helsel said:
It sounds like an injector issue to me as well. If you have ecmlink, you can go in and turn on and off injectors. See if that does anything if you have it.

The two cylinders that are firing, I took those injectors and swapped them with the other two injectors. Still the same cylinders not firing. I just replaced the clips so it shouldn't be a faulty injector connection.

Boomdeeze said:
So you have verified that each spark plug is firing? Any codes? Do you have ECMLink? Sounds like a pin in a connector may be loose.

You replied while I was typing ^^^^^

Check the signal from the ECU for your injector plugs to make sure they are getting proper signal to fire.

Any way I can do this without link?

trapdad · Oct 23, 2016

Update boys: cam gears just exploded, I guess something must've fallen into them. See you guys next weekend.

Dsmkauai · Oct 23, 2016

Holy crap bro how the heck did that happen.

ouch

trapdad · Oct 23, 2016

Dsmkauai said:
Holy crap bro how the heck did that happen. ouch

I think maybe a bolt fell into them that was on my oil cap. Or at least I hope it was something that simple.

jakk220 · Oct 23, 2016

Holy sheet. That's horrible. No more setting bolts on the oil cap.

Michael Helsel · Oct 23, 2016

Oh goodness. Did that happen on startup or while it was running?

trapdad · Oct 23, 2016

Michael Helsel said:
Oh goodness. Did that happen on startup or while it was running?

Just startup thankfully. It was turning over slow and then a nasty loud pop. So I'm just hoping the valves are okay or this would be the 3rd time pulling my head.

The Top DSM Community on the Web

1G Can anyone make sense of this? Car running on 2 cylinders

trapdad

Lou98GSX

trapdad

Boomdeeze

Michael Helsel

trapdad

trapdad

Attachments

Dsmkauai

trapdad

jakk220

Michael Helsel

trapdad

Similar threads

Latest posts

Build Thread Updates

Vendor Updates

Latest Classifieds