Intermittent Car Faults Explained – Why Issues Come and Go

Intermittent car faults are among the most frustrating issues drivers face. Warning lights may appear one day and disappear the next, making diagnosis difficult.

Common Causes of Intermittent Faults
• Loose electrical connections
• Failing sensors sending inconsistent data
• Control modules overheating or losing communication
• Software-related glitches
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Typical Symptoms
• Warning lights that reset themselves
• Faults triggered only when hot or cold
• Random loss of vehicle functions
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Why Intermittent Faults Are Hard to Trace
Because the fault isn’t constant, it may not store a permanent error code. However, intermittent issues often worsen over time and can eventually become permanent faults.
Understanding early warning signs is key to preventing sudden vehicle failure.