running rough after oil change

[capcalvin]

Just changed my oil tonight from amsoil 15/40 to amsoil 5/40 for the winter. Immediately after oil change, engine runs rough. Cylinder #3 contribution/balance code. Obviously this is an injector issue. Had all 8 injectors replaced just over a year ago. Out of warranty. What do y'all think? Stiction? Think rev-x will help?

[southend]

Using motorcraft filter and matching cap?

Sent from my phone that somebody didn't help me get.

[capcalvin]

New Motorcraft filter. Billet aluminum cap. Been using cap for a long time without issues. Only difference is the oil.....my truck is possessed.

[capcalvin]

Anyone have any experience with similar issue? Strange that it ran fine before oil change. Give it nice new clean oil and it hates it. Strange Rev-x on the way. Also ordered some AR9100 incase the rev-x doesnt help. I do have a spare injector on the shelf. I may end up having to swap out #3.

[King Hardhead]

Originally Posted by capcalvin

Cylinder #3 contribution/balance code.

I don't have an answer for your issue, but I do have a question. How did you come across this code? Did you get a CEL, or do you have a super fancy scanner?

[capcalvin]

Originally Posted by King Hardhead

I don't have an answer for your issue, but I do have a question. How did you come across this code? Did you get a CEL, or do you have a super fancy scanner?

Edge insight cts

[dannyboy950]

check for oil filter houseing components damage, drain valve; filter tower; bypass valve etc.

[capcalvin]

Originally Posted by dannyboy950

check for oil filter houseing components damage, drain valve; filter tower; bypass valve etc.

It all looked good. I'm thinking of pulling it back apart just to be safe.

[sinner6.0L]

Honestly it's probably all a coincidence. What injectors were installed? Ford remans?

[capcalvin]

Originally Posted by sinner6.0L

Honestly it's probably all a coincidence. What injectors were installed? Ford remans?

1,2,3,5,6,7,8 are all reman by alliant. #4 is a reman from ford. Replaced #4 after having contribution/balance codes and intermittent issues with #4. Ended up being the ficm i got from swamps was faulty. They made good on it though. So I do have the injector i pulled out of #4 I can put in #3. Gonna see if the rev-x helps first.