MB4429

Hey all,

My car has been giving me an issue for quite a while now. It idles rough and it constantly feels like it is going to stall. It’s even been on limp mode for me once. The CEL got me the following codes:

P2279-00: Intake Air System Leak
P0306-85: Cylinder 6 Misfire Detected
P061A-28: Internal Control Module Torque Performance
P0300-85: Random/Multiple Misfires Detected

My oil cap did have a noticeable crack on it but I’ve longed replaced it. I’ve also replaced the intake manifold gaskets(green ones) as they were torn apart/ripped but I’m still having these issues

Is there anything I should look at in particular? Any help is greatly appreciated!

konigstiger

Start with P2279, revisit intake manifold and thoroughly check all vacuum lines.

MB4429

Thank you for the diagram. I’m going to take a look into it today.

MB4429

If I wanted to perform a smoke test, which vacuum line should I plug my smoke machine into?

konigstiger

MB4429

Awesome! Thank you!