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What causes intermittent multi-cylinder misfires in the EA888 engine?

1 Answers

VanRobert

07/29/25 8:49pm

The causes of multi-cylinder misfires in the EA888 engine can be divided into two main aspects: 1. Damage to external components, primarily involving the combustion chamber surrounding parts such as valves, valve seat rings, valve guides, and spark plugs. 2. Misfires caused by the failure to ignite or delayed ignition of the air-fuel mixture in the cylinders. Here are some solutions for multi-cylinder misfires: 1. Inspect the spark plugs, clean the intake and exhaust valves of carbon deposits, and check the turbocharger for any issues, such as wear or burn damage to the turbocharger impeller. 2. Misfires can also occur due to abnormal conditions in certain components or parts, leading to unstable ECU regulation of the engine and failure to meet the theoretical values calibrated by the ECU.

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