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check evaporative charcoal canister and its componants for fuel.replace oxygen sensor,

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16y ago
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2w ago

Code 45 on a 1992 Chevy Astro typically indicates a rich exhaust mixture, which means there is too much fuel relative to air in the combustion process. This can be caused by issues with the fuel injection system, oxygen sensor, or engine control module. It's recommended to diagnose and address the root cause of the rich exhaust condition to prevent potential damage to the vehicle.

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Q: What does code 45 Rich exhaust indicated mean in 1992 Chevy Astro?
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