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Q: my 99 2.4 cyl grand am keeps dying what should i do on 1999 Pontiac Grand Am

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i have had the fuel pump replaced fuel filters, oxygen sensors its process of elimination but is frustrating and expensive; it dies when slowing down or when idling at a light; i almost got hit cuz it died at an intersection; please help
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I believe that could be a collapsed vacuum line going to the map sensor.hard to say for sure but its so common on the gm 2.4 l engines.have someone look at it as the vehicle is started to see if it swells n collapses.it out front of the engine about the middle right under a electrical connection.the vacuum hose is about 6 inches long.
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