Rick's Free Auto Repair Advice

Posts Tagged: current sensor

Alternator overcharges battery Impala

How to fix an Alternator that overcharges battery Impala Shops are reporting instances where GM vehicles and specifically Chevrolet Impala alternators are overcharging the battery. The charging system in these newer GM vehicles is far more complicated than just a traditional voltage regulator and alternator. These systems incorporated and Electric Power Management (EPM) strategy to reduce the amount of time the alternator runs when charging isn’t needed. That saves gas. The system also monitors the state of battery charge when the engine is turned off. The body control module (BCM), … Read More

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