8 ALARMING Symptoms of a Bad PCV Valve (Could Ruin Your Engine)

Описание: 8 ALARMING Symptoms of a Bad PCV Valve (Could Ruin Your Engine)

A failing PCV valve can quietly destroy your engine — and most drivers don’t realize it until it’s too late.
In this video, we break down 8 alarming symptoms of a bad PCV valve, how they affect engine performance, and how a tiny $15 part can turn into a $4,000 repair bill if ignored.

You’ll learn how the PCV (Positive Crankcase Ventilation) system works, why it’s critical for engine health, and the early warning signs most people miss — from rough idle and oil leaks to blue exhaust smoke and check engine lights.

We also show you simple DIY tests you can do at home to confirm the problem safely, plus when and why replacement is the smartest option.

If you want to avoid engine damage, oil sludge, seal failure, and wasted fuel — this is a must-watch.

👇 In this video, you’ll discover:
• What the PCV valve does and why it matters
• Early vs late symptoms of PCV failure
• How crankcase pressure causes oil leaks
• Why PCV problems trigger misfires & CEL codes
• Easy at-home PCV valve testing methods
• When to replace vs inspect the PCV system

👍 If this helped you understand your car better, like the video and subscribe for more simple, money-saving car care tips every week.

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