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P2311

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P2311 OBD-II Trouble Code: Ignition Coil D Secondary Circuit
P2311 P2311 code definition Ignition Coil D Secondary Circuit What the P2311 code means P2311 is an OBD-II generic code for the engine control module (ECM) (https://www.yourmechanic.com/article/what-is-a-vehicle-s-electrical-control-unit) detecting ignition that coil D or the cylinder 4 secondary circuit has low...

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New codes after fixing previous problem

Hi there, thanks for writing in. Code P2311 (https://www.yourmechanic.com/article/p2311-obd-ii-trouble-code-ignition-coil-d-secondary-circuit-by-jay-safford) points out a problem with the ignition of cylinder #4. The spark is most likely not lasting long enough. There may be another issue going on with the vehicle. I'd recommend...

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