Question about 1999 Mazda 626

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After putting gas in my car the car will start but will not idle

Must keep car running by pressing the gas . after a few mins the car will run perfect til i again put gas in her!

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Try leaving the gas cap off after the next time you fill her up. A car's gas tank has to vent when gas vapors expand in the tank. Usually there's a valve in the gas cap.

Conversely once you fill your car up, and then burns fuel, if it isn't able to **** a little air in, then it'll VACUUM LOCK. Kinda like when you have a straw in a Coke, then you put you finger over it, and lift it out? The Coke stays in the straw until you release your finger off it. In this analogy the Coke is the gasoline and the cup is your engine.

If the gas tank can't draw any air in, then it won't allow the fuel to flow.

This is the simplest thing I can think of to check. Other than that, it could be a problem with any of the fuel/air electronics.

Posted on Feb 10, 2009

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Posted on Jan 02, 2017

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