why does my car cut off

Asked by Feb 12, 2015 at 07:10 PM about the 2000 Mitsubishi Galant

Question type: Maintenance & Repair

so I just renctly replaced my alternator and got a new battery I recently had issues with it overheating replaced my bad radiator recently my car will start and I can drive it but I have to stay on the gas or it just cuts off and dies and I have to stay on the gas for it to not die when I stop at a light or stop sign what could this be?

3 Answers

180

you got vacuem leek from over heating

even though its been months and months since those got replaced even maybe a year since I repalaced those?

1,045

take it to a shop and have them perform a cylinder leak down test and a compression test to ensure the integrity of the head gasket. A week or damaged head gasket is the biggest vacuum leak and engine can have seeing is the engine is what produces the vacuum.

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