Hissing Sounds Coming From Your Engine


Engine Repairs in Ellesmere Port

Hissing Sounds

Symptom:A hissing sound is heard from the engine. The engine may or may not seem to run well. A hissing noise like air or steam can be heard coming from the engine. A performance drop may be noticed immediately after the noise begins.

Possible causes:

1. The engine is overheating.

The Fix: Check and repair cooling system.

2. The exhaust system and/or catalytic converter is plugged.

The Fix: Check and replace exhaust system and/or catalytic converter as required.

3. A vacuum line is leaking or disconnected.

The Fix: Reconnect vacuum line. Replace vacuum lines if broken.

4. A vacuum device is leaking.

The Fix: Replace vacuum device.

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