1992 Dodge Dakota Back fire

Here is a genaric list of possible couses check each one out but sounds like it may be leaning more to a timming issue

1 Inspect Timing Belt SlipPED or Broken Timing Belt.
2 Inspect Timing Chain SlipPED Timing Chain.
3 Inspect Timing Set SlipPED Timing Chain or Worn Timing Gear(s).
4 Inspect Fuel Injector Dirty or Worn Fuel Injectors, or Vacuum Leak in Fuel Injection System.
5 Inspect Carburetor Incorrect Carburetor Adjustment, or Vacuum Leak at Carburetor.
6 Inspect NEEDLE Seat Dirty, Worn, or Damaged Carburetor NEEDLE and Seat.
8 Inspect Timing Specification Incorrect Ignition Timing.
9 Inspect PCV Valve Clogged Emission System.
10 Inspect Wireset Worn, Damaged or Faulty Spark Plug Wire(s).
11 Inspect Distributor Cap Distributor Cap Cracked or Burned.
12 Inspect Spark Plug Fouled, Damaged, or Broken Spark Plug(s).
13 Inspect Intake Manifold Gasket Leaking, Worn, or Damaged Intake Manifold Gasket.
14 Inspect Crankshaft Gear Worn Timing Gear(s).
15 Inspect Camshaft Gear Worn Timing Gear(s).
16 Inspect Distributor Cap and Rotor Kit Distributor Cap Cracked or Burned.
17 Inspect Valve Burned, Worn, or Sticking Exhaust Valves.
18 Inspect Camshaft Worn Camshaft LOBE(s).
19 Inspect Valve Lifter WornValve Lifter(s).
20 Inspect Belt Incorrectly Routed, Adjusted(Tensioned), Missing or Worn Drive Belt(s).
21 Inspect Alternator Low or No Voltage OUTPUT From Alternator/Voltage Regulator.
22 Inspect Voltage Regulator Faulty, Shorted or Incorrectly Connected Voltage Regulator.
23 Inspect Relay - Charge Lampat Damaged or Faulty Charging Relay.