Changed distributor cap and now van wont start did not have firing order . we now have correct firing order. van was possibly flooded from checking firing order. now carborator is smoking and engine wont turn over. have new fuel filter and also do not see where old one is. is there anything i can do other than put gas in carborator to get it started

Firing order might be correct but it must start and finish at the right cylinders. Check this by turning the crankshaft until the timing marks are aligned and the timing cylinder is at the top of the compression stroke. The firing order begins from the distributor cap segment the rotor arm is pointing to. Don't forget to observe the direction of distributor rotation.

very good but did you check that the no1 piston was on tdc firing before you replaced the distributor . You may be 180degrees out on the firing order.

Are you sure the wires are back in the correct order? What year, and which engine?

well if it started before then the distributor is most likely good but check your ignition coil and also you ignition module also the pickup coil

Check the plug wire from the ignition coil to the distributor cap.
If you haven't already, replace the distributor cap and rotor.
The GM Vortec's have issues with moisture getting inside the cap and rotor and causing problems.

I’m happy to help further over the phone at https://www.6ya.com/expert/jason_00b31cc8f593773a

Check your plug wires to see if there in the right firing order and connected tightly on the cap and plugs.Also check to make sure the coil wire is tight.Also you can try changing your wires also.

is it possible the rotor is in the wrong position remove cap and rotor and flip the rotor 180 degrees and you might get lucky hope this helps good luck

Don't know your engine size so pick the correct one for your motor:



2.3L 4-Cylinder Engines Firing Order: 1–3–4–2 Distributor Rotation: Clockwise



2.8L 6-Cylinder Engine Firing Order: 1–6–3–5–2–4 Distributor Rotation: Clockwise



2.9L 6-Cylinder Engines Firing Order: 1–5–3–6–2–4 Distributorless Ignition



2.3L and 2.4L 5-Cylinder Engines Firing Order: 1–2–4–5–3 Distributor Rotation: Counterclockwise

Check for possible vacuum leak, maybe a hose off or partially broken. Make sure your firing order is correct when reconnecting those wires to the new cap.

If when you changed the distributor cap you misplaced the wires in the incorrect order you could have caused a misfire. When looking at the cap the correct firing order for a 4.3 liter is 165432 going clockwise. Also if you loosened the distributor hold down bolt and turned the distributor even slightly you could cause a misfire.