Can a bad O2 sensor cause strong exhaust smell?

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Strong exhaust smell during start and shut down. Had computer read last year a bad O2 sensor code came up. Would this cause the exhaust smell?

Panamajosh in Camby IN

Apr 24, 2015

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What are the best INFINITI repair shops?

RepairPal Certified shops can diagnose and repair your 2006 INFINITI M35. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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What is your question?

Popular Answer

Can a bad O2 sensor cause strong exhaust smell?

What is your question?

Strong exhaust smell during start and shut down. Had computer read last year a bad O2 sensor code came up. Would this cause the exhaust smell?

Panamajosh in Camby IN

Apr 24, 2015

1 Reply

Popular Answer

Shiverson Apr 25, 2015

Is your check engine light on now? The computer uses the upstream O2 sensors to control the vehicles air/fuel mixture. If it isn't working or malfunctioning, it can cause the vehicle to run rich or lean. This will hurt your catalytic converters over time, causing more headache and money.

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Popular Answer

What are the best INFINITI repair shops?

RepairPal Certified shops can diagnose and repair your 2006 INFINITI M35. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.