Gaby57190
Exhaust problem on Renault Laguna Diesel
(Translated from French)
Summary of the thread
A 2009 Renault Laguna diesel owner is experiencing a check engine light and 'injection failure' message, though the car drives normally. The Carly app suggests an exhaust problem. Possible causes include clogged or leaking fuel injectors and issues with the exhaust system, such as damage or leaks around the catalytic converter or DPF. It's recommended to inspect these areas and consult a professional mechanic if the problem persists.
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RENAULT
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LAGUNA
CarlyMechanic
Start by checking the fuel injectors for any signs of clogging or leaks, as these can trigger the 'injection failure' message. Also, inspect the exhaust system for any visible damage or leaks, particularly around the catalytic converter and DPF (Diesel Particulate Filter). If you're unsure or the issue persists, it's best to have a professional mechanic take a look, as driving with a potential exhaust issue can be unsafe. Let us know how it goes or if you have further questions!