Q: Stalling at low speeds and idle and misfiring

asked by on April 28, 2017

So I bought this car at auction I'm a bit of a mechanic Car hesitates to start up and when does start up idles very roughly wants to cut off you can drive it for like 2 miles then it will cut off on you as soon as you start to idle again And one cuts off very hard to cut back on this car does not want to be on for some reason I scanned it it has a cylinder three misfire or it is not showing any other problems on the OBD two scanner so I'm very confused I change the spark plug boot and coil I check the oil for any mixing and the coolant there is no signs of a bad head gasket I feel like this is a very simple problem but I just can't figure it out I'll check any vacuum lines for the kids and I don't see any is there any known issues with this car it has the mileage so I don't expect it to be in bad shape like this please if you have any solutions let me know thank you very much Ps When I was driving get all of the coolant bursts out of the bleeder wholeso I also checked my thermost

My car has 120000 miles.
My car has an automatic transmission.

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