What causes the p0306 trouble code on a GMC Sierra?
There are quite a few things that can cause the P0306 trouble code to trigger the GMC Sierra. Here are the most common problems that may cause it. They are presented somewhat in order from most to least likely to be causing the code: Bad Spark Plugs – Spark plugs are one of the most common causes of P0306.
What to do if your spark plug says p0306?
You can do the same test with the spark plug, i.e., move cylinder 6 plug to say cylinder 3 and if the misfire is now P0303 then the plugs are at fault. Replace spark plugs and spark plug wires/ignition coil packs if needed and recheck for misfires.
What is the trouble code for cylinder 6?
P0306 is a diagnostic trouble code (DTC) for “Cylinder 6 Misfire Detected”. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic for $70.00.
What is the misfire code on a GMC Sierra?
GMC Sierra P0306 Definition. P0306 is a cylinder specific misfire code, which means that Cylinder 6 is misfiring and causing it. An important thing to understand when finding the location of Cylinder 6 is that it’s going to be the sixth cylinder in the firing order.
There are quite a few things that can cause the P0306 trouble code to trigger the GMC Sierra. Here are the most common problems that may cause it. They are presented somewhat in order from most to least likely to be causing the code: Bad Spark Plugs – Spark plugs are one of the most common causes of P0306.
You can do the same test with the spark plug, i.e., move cylinder 6 plug to say cylinder 3 and if the misfire is now P0303 then the plugs are at fault. Replace spark plugs and spark plug wires/ignition coil packs if needed and recheck for misfires.
What causes a p0306 misfire on an Acura MDX?
They are presented somewhat in order from most to least likely to be causing the code: Bad Spark Plugs – Spark plugs are one of the most common causes of P0306. Take a look at the electrodes and see if they are in good shape.
What happens if you leave the p0306 unfixed?
P0306 is cause for concern and left unfixed can leave you stranded or make the vehicle virtually un-drivable. Fixing the problem causing the code to fire can save you time and money and keep your Chevy Silverado from breaking down. Quick action may also save your catalytic converter from going bad.