Acceleration issues
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First off, if you are smelling gas, there is likely a leak somewhere. Start the truck, open the hood and closely inspect the fuel lines and fuel rails while the truck is running. You might also want to check to determine what the fuel pressure is at the injectors, as there should be a port on the fuel rail to connect a fuel pressure test gauge.
Since the truck has been sitting for a while, it's likely in need of basic maintenance. In addition to the spark plugs and spark plug wire changes, you should also consider replacing the distributor cap and rotor. Another item that could be contributing to your acceleration issue is a plugged up catalytic converter and/or a blown intake plenum gasket. You can check for a bad catalytic converter by temporarily removing the upstream O2 sensor and see if the truck revs up any better than before. You can check for a bad intake plenum gasket by looking down the intake throttle body (blades fully open) with a flashlight to see if any oil is pooling at the bottom of the intake manifold (see this link for more information - https://dodgeforum.com/forum/2nd-gen...um-thread.html). Lastly, a new timing chain is likely needed at some point, too. The replacement should be a good double roller timing chain and gear set.
Since the truck has been sitting for a while, it's likely in need of basic maintenance. In addition to the spark plugs and spark plug wire changes, you should also consider replacing the distributor cap and rotor. Another item that could be contributing to your acceleration issue is a plugged up catalytic converter and/or a blown intake plenum gasket. You can check for a bad catalytic converter by temporarily removing the upstream O2 sensor and see if the truck revs up any better than before. You can check for a bad intake plenum gasket by looking down the intake throttle body (blades fully open) with a flashlight to see if any oil is pooling at the bottom of the intake manifold (see this link for more information - https://dodgeforum.com/forum/2nd-gen...um-thread.html). Lastly, a new timing chain is likely needed at some point, too. The replacement should be a good double roller timing chain and gear set.
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