Scanner shows po305 - 2008 Chevy Colorado - Crew cab - Silverguard Plus Car Cover

yes, there is and a good parts store clerk should be able to show you your options

Here's a link to your firing order,will probably be your spark plug and coil pack their. Specifications Firing Order Cylinder Location AutoZone com Here's a video to watch. 04 09 Nissan Quest Spark plugs Replacement intake removal

Egr wouldn't have anything to do with it , not just one cylinder . Is the fuel injector firing ? Do you know how to test a computer driver ? ( transistor ) Injector Circuit Wiring Diagram How to test fuel injector circuit with basic tools open control wire

you have multiple misfire po300 and cylinder 5 po305 misfire.the misfire is causing the rough running.The computer has disabled your traction control.You either have carbon in the EGR which simulates a vacuum leak,bad spark plugs,a leaking intake manifold,or low fuel pressure from a bad pump or clogged filter.
i would start with the spark plugs and fuel filter

this indicates a miss fire on cylinder #5. can be caused by bad plug, plug wire, ignition coil, fuel injector problem either dirty or electrical, vacuum leak at the intake runner, a compression problem.

adjust plug 5 and intake valve

Did you resolve the other codes? p0300 random multiple misfire, p0305 misfire cyl #5, p0307 misfire cyl #7? You could have bad ignition coils or a vacuum leak. Check your coils and check for vacuum leaks at the intake manifold check vacuum hoses. Hope this helps!

Its possible the crank sensor is going bad,easy to replace and cost under $30. remove one plug and one bolt .

These are misfire codes.This means that your vehicle is missing.The 300 is a random misfire and the 305 is for cylinder 5,and the 306 is for cylinder number 6.Check the plugs if they are good then you could have bad coils.They are top of the plugs.Hope this helps.Good luck.

might be the coil pack is bad, wires, plugs, o2 sensors, dirty injectors, catalic converter ( only if you smell rotten eggs ) . cylinders are misfireing.