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Q:

when going up a hill and you accelerate into passing gear on 2002 Chevrolet Astro

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
the engine light flashes.code reads multimissfirers
(1) Answer
You probably have a bad distributor cap, worn plugs, or bad plug wires. Bad distributor caps that cross fire are common on the 4.3 engine.