If you know the distributor cap, plugs, and wires are good then I would suspect a burnt valve or blown head gasket. A compression test will verify this. Remove all plugs, coil wire, and run a compression test on all cylinders. If # 4 & 6 are out of line with the others, you will need to remove the heads and find out what is causing this.
Chevy Firing Order Check related links below
yes! the coil is what sends fire to your plugs
It is useful to know the firing order for the engine of the car being driven. The firing order for a 1997 Chevy Malibu is 5-2-3-6-4-1.
You probably mixed up the firing order.
1,8,4,3,6,5,7,2
i would like to know what would cause the miss firing in Chevy Malibu
Change one at a time so not to mess up the firing order.
The injectors or spark plugs might be firing wrong. You should get it checked out as soon as possible.
Yes, you still need to make sure that the plugs are firing when it's their turn.
The firing order for the 3.1 V6 is 1-2-3-4-5-6. If you are changing the plugs, I would recommend changing them one at a time so you don't mix up the order.
The spark plugs are arranged in the order 1-2-3-4 in the engine. #1 is near the belt, and #4 is near the transmission. Note that #1 and #4 are opposite each other in the firing order, and #2 is opposite #3 in the firing order.
how do i change the spark plugs on a Chevy silverado 1500