Chevy c1500 engine misfire question HELP?

i bought a 1995 Chevy 1500 with the 4.3 v6 and 2wd. i replaced the spark plugs and wires because my truck kept stalling at stop signs . also it would loose power like none of the cylinders were firing when i tried to maintain one speed. when i turn off the truck i smell exhaust but its much more pungent that regular exhaust. and it still sounds like none of the cylinders are firing when i try to maintain one stedy speed. im gonna change the distributor cap and rotor tomorrow. would this help remedy the problem? i also replaced my iac (idle air control valve). and if its not the ignition what would it be?

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2 Responses to “Chevy c1500 engine misfire question HELP?”

  1. joel95ex Says:

    fuel pressure regulator or ignition control module ICM

  2. Some Guy Says:

    save your money. its not your ignition. its fuel related, check your fuel pressure. sounds like loss of fuel.

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