Question about 1999 Chevrolet Cavalier

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My check engine light is on. i took it to a mechanic, he hooked a machine to y car and he told me that it is the gas tank... either theirs a whole somewhere or its the sensor... please help.

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You were told you have an EVAP System Leak

No hole in tank, vacuum leak from a hose or EVAP Sensor

No machine was used. Only a scan tool and an EVAP
Smoke Machine, to solve your issues

Posted on Mar 26, 2011

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Posted on Jan 02, 2017

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Could something have been put in gas tank to make jerking & feels like going to shut off when slowing down/stopped & when taking off


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