patriciaswift9
GLE Hybrid Stalling Issue Resolved
Summary of the thread
A 2017 Mercedes GLE hybrid was experiencing stalling at idle and a check engine light, suspected to be due to a fuel tank ventilation valve issue. The problem was potentially linked to clogged hoses in the EVAP system. A smoke test was suggested to identify leaks, focusing on the fuel tank, purge valve, and connecting hoses. Ultimately, a clogged hose was confirmed and repaired at a shop, resolving the issue.
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4 comment(s)
patriciaswift9 (community.author)
Smoke test sounds promising. Where exactly should I be directing the smoke?
horst_eagle1
Given the symptoms you described, I would focus the smoke test around the fuel tank, the purge valve, and all the connecting hoses related to the EVAP system. However, without proper diagnostic equipment and expertise, you might risk damaging other components. If you are not comfortable performing this diagnostic procedure, I'd strongly recommend consulting a qualified automotive repair technician to avoid further complications. It might save you money and time in the long run.
patriciaswift9 (community.author)
Thanks, took it to a shop. Turns out a hose was indeed clogged. Total cost for the automotive repair was 175€. Appreciate the help!
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MERCEDES
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GLE
horst_eagle1
I experienced similar symptoms with my GLE, exact same model. The EVAP system is quite sensitive. A faulty purge valve or blocked hoses can definitely trigger those issues. Have you inspected the hoses for any visible cracks or constrictions? A smoke test might also help pinpoint the exact location of the leak.