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maximilianschubert2
Alphard oxygen sensor issue
4 comment(s)
maximilianschubert2 (Author)
Where exactly should I look for those connectors?
walter_silber74
It's near the exhaust system, so be careful when the engine is hot. If you aren't comfortable looking around, it might be best to have a workshop take a look. They can pinpoint the exact problem, and it might just be a faulty connection as you suggested.
maximilianschubert2 (Author)
I appreciate your help! I'll take it to a workshop and share the diagnostic result. Hopefully, it is just the oxygen sensor. Repair cost should be around 95€ if this is the problem.
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walter_silber74
Sounds like the O2 sensor is failing. I had similar symptoms a while back – check engine light and terrible fuel economy. Before replacing the catalytic converter, check for corrosion on the connector or damaged cables.