patricia_schaefer1
Greiz Hissing Noise and Fuel Consumption
Summary of the thread
A 2018 Honda Greiz exhibited a check engine light, increased fuel consumption, and a loud hissing noise during acceleration. These symptoms suggested a possible air intake or vacuum leak. Upon inspection, a significant crack was found in the intake hose, which was confirmed and replaced by a workshop, resolving the issues.
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4 comment(s)
patricia_schaefer1 (community.author)
Misfiring? I'm not sure what that sounds like. Where exactly should I look on the intake system? Is it something I can see easily, or do I need to take things apart?
marie_lehmann1
If the engine is shaking or running rough, that's misfiring. As for the intake, look between the air filter and the engine. Check for obvious cracks in the hoses. Honestly, with those symptoms, I would take it to a workshop. A leak there can mess with the turbocharger as well.
patricia_schaefer1 (community.author)
Thanks! I checked the intake hose and found a big crack. The workshop confirmed it and replaced the hose for 100€. Runs like new now!
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HONDA
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GREIZ
marie_lehmann1
Hissing, higher fuel consumption, and a check engine light? Sounds like a vacuum leak, maybe in the intake hose. Is the engine misfiring too? Check for cracks or loose connections in the intake system.