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What Causes the Abnormal Noise in a Cold Cummins Engine?

1 Answers

StJack

07/30/25 1:45am

Cummins engine cold start abnormal noise is mainly caused by the following reasons: Engine oil related issues: The engine lubricating oil flows back to the oil pan. When starting the car, lubrication cannot be provided immediately, resulting in a ticking sound. Purge valve related issues: During engine startup, the carbon canister solenoid valve adsorbs gasoline vapor and introduces it into the cylinders through the vacuum effect of the intake manifold. This process may produce abnormal noises. Battery problems: If there's abnormal noise during cold starts along with failure to ignite, and the battery warning light and engine warning light illuminate on the dashboard, this typically indicates battery issues - either insufficient charge or expired battery life.

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Where is the Infiniti Battery Located?

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