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Home >> Chevrolet >> 2018 >> Impala Premier, Gas >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Engine Controls And Fuel - 2.5L (LCV) - Diagnostic Information And Procedures (P0340-P2635) And Symptoms) >> Diagnostic Information and Procedures >> DTC P135A >> Circuit/System Description

Circuit/System Description

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The ignition system uses an individual ignition coil for each cylinder. The engine control module (ECM) monitors the ignition voltage from the fuse to the individual coils.