Astra Hissing and Fuel Consumption

My 2002 Vauxhall Astra, gasoline engine, is showing some worrying signs at 225486 km. Fuel consumption is up, the check engine light is on, and there's a loud hissing when accelerating. Suspect an air intake system leak, possibly a split intake hose. Anyone else experienced this?

4 comment(s)

Sounds familiar. I had similar symptoms on my Astra. Check that intake hose thoroughly; a small leak can cause big problems, like trying to run a marathon with a clogged nose. Is the engine misfiring?

Misfiring? Not noticeably, but the hissing is definitely tied to engine speed. Where was the leak in your case?

Mine was a split in the hose right near the engine block, a pain to spot. If you can't find it yourself, a workshop will locate it quickly. Replacing it resolved everything.

Right, I'll give it another look, but probably best to get it on a lift. Thanks for confirming, will report back after the repair. Estimate is around 100€.

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