ilmscore | Car Engine Reliability (GM AFM) Predictions
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Car Engine Reliability (GM AFM)

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GM engines with AFM (Active Fuel Management) four-cylinder deactivation will have very poor long-term reliability, leading to engine failure.
"it will auto start stop on a on four cylinder banks and that will just absolutely nuke the engine. u..."
Investment Joy Investment Joy
Dec 29, 2025
Correct
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