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Gerdafish

Blazer stalling at idle

My 2018 Chevrolet Blazer, gasoline engine, has the check engine light on and occasionally stalls at idle with 213024 km. I suspect a tank ventilation valve malfunction, maybe from clogged hoses. Has anyone experienced this before? Is my guess right?

Summary of the thread

A 2018 Chevrolet Blazer with 213,024 km is experiencing stalling at idle and a check engine light, suspected to be caused by a malfunctioning tank ventilation valve due to clogged hoses. Another person confirmed having the same issue, which was resolved by addressing the ventilation system. The suggested solution is to have the vehicle inspected and repaired at a workshop, which successfully resolved the problem.

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4 comment(s)

juliuswilliams11

I had a similar problem with my Blazer. Is the pressure sensor acting up too?

Gerdafish (community.author)

You had the same stalling and check engine light? Was it the tank ventilation valve? Did you notice any hose issues or unusual pressure readings from the sensor before?

juliuswilliams11

Yep, exact same symptoms. Turned out to be ventilation. I'd recommend taking it to a workshop.

Gerdafish (community.author)

Your insights were spot-on. The tank ventilation valve was the problem, exactly due to clogged hoses! A repair bill of 175€ later, and she's running smoothly again. Thanks for confirming my suspicion and pointing me in the right direction!

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CHEVROLET

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BLAZER